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Internet Assigned Numbers Authority

Constrained RESTful Environments (CoRE) Parameters

Created
2012-06-08
Last Updated
2025-05-12
Available Formats

XML
HTML
Plain text

Registries Included Below

Resource Type (rt=) Link Target Attribute Values

Expert(s)
Carsten Bormann, Jaime Jimenez, Christian Amsüss
Reference
[RFC6690]
Note
Registration requests should be sent to the [mailing list] described in [RFC6690]. If approved, designated experts should notify IANA within two weeks. For assistance, please contact iana@iana.org. IANA does not monitor the list.
Available Formats

CSV
RangeRegistration Procedures
value starts with "core"IETF Review
all other valuesSpecification Required
ValueDescriptionReferenceNotes
core.gpGroup Configuration resource. This resource is used to query/manage the group membership of a CoAP server.[RFC7390, Section 2.6.2]
core.hcHTTP-to-CoAP mapping base resource.[RFC8075, Section 5.5]
core.rdDirectory resource of an RD[RFC9176, Section 4.3]
core.rd-epEndpoint resource of an RD[RFC9176, Section 6]
core.rd-lookup-epEndpoint lookup of an RD[RFC9176, Section 4.3]
core.rd-lookup-resResource lookup of an RD[RFC9176, Section 4.3]
oic.d.airconditionerAir Conditioner device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.airpurifierAir Purifier device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.blindBlind device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.cameraCamera device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.dishwasherDishwasher device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.doorDoor device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.dryerDryer device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.fanFan device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.garagedoorGarage Door device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.lightLight device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.multifunctionprinterPrinter Multi-Function device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.ovenOven device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.printerPrinter device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.receiverReceiver device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.refrigeratorRefrigerator device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.robotcleanerRobot Cleaner device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.scannerScanner device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.securitypanelSecurity Panel device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.sensorGeneric Sensor device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.smartlockSmart Lock device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.smartplugSmart Plug device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.switchSwitch device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.thermostatThermostat device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.tvTelevision device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.washerWasher device. This is a clothes washer device.[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.d.watervalveWater Valve device[OIC_SmartHomeDevice_Specification_v1.1.0 section 10.1]
oic.r.airflowAir Flow resource. This resource describes the properties associated with air flow.[OIC_Resource_Type_Specification_v1.1.0 section 6.1]
oic.r.airflowcontrolAir Flow Control resource. This resource describes the attributes associated with control of air flow, for example as modelled by a Thermostat (fan), Room A/C or other device.[OIC_Resource_Type_Specification_v1.1.0 section 6.2]
oic.r.altimeterAltimeter resource. This resource describes properties associated with the height of the position.[OIC_Resource_Type_Specification_v1.1.0 section 6.58]
oic.r.audioAudio Controls resource. This resource defines basic audio control functions.[OIC_Resource_Type_Specification_v1.1.0 section 6.25]
oic.r.autofocusAuto Focus resource. This resource describes whether an auto focus feature is on or off.[OIC_Resource_Type_Specification_v1.1.0 section 6.26]
oic.r.automaticdocumentfeederAutomatic Document Feeder resource. This resource describes the state of an automatic document feeder, typically used with a scanner.[OIC_Resource_Type_Specification_v1.1.0 section 6.27]
oic.r.buttonButton Switch resource. This resource describes the operation of a button style switch.[OIC_Resource_Type_Specification_v1.1.0 section 6.28]
oic.r.clockClock resource. This resource describes the properties associated with clock and time.[OIC_Resource_Type_Specification_v1.1.0 section 6.59]
oic.r.colour.autowhitebalanceAuto White Balance resource. This resource describes whether an auto balance feature is on or off.[OIC_Resource_Type_Specification_v1.1.0 section 6.31]
oic.r.colour.chromaColour Chroma resource. This resource describes the colour using chroma conventions.[OIC_Resource_Type_Specification_v1.1.0 section 6.6]
oic.r.colour.rgbColour RGB resource. This resource specifies the actual colour in the RGB space.[OIC_Resource_Type_Specification_v1.1.0 section 6.7]
oic.r.colour.saturationColour Saturation resource. This resource describes a Colour saturation value.[OIC_Resource_Type_Specification_v1.1.0 section 6.32]
oic.r.doorDoor resource. This resource describes the open state of a door.[OIC_Resource_Type_Specification_v1.1.0 section 6.9]
oic.r.energy.batteryBattery resource. This resource represents the charge state of a battery.[OIC_Resource_Type_Specification_v1.1.0 section 6.3]
oic.r.energy.consumptionEnergy Consumption resource. This resource describes the energy consumed by the device since power up and the instantaneous power draw of the device at the time the resource was queried.[OIC_Resource_Type_Specification_v1.1.0 section 6.10]
oic.r.energy.drlcDemand Response Load Control (DRLC) resource. This resource describes any to be applied or currently being applied DRLC signal.[OIC_Resource_Type_Specification_v1.1.0 section 6.34]
oic.r.energy.overloadEnergy Overload/Circuit Breaker resource. This resource describes whether an energy overload detector/circuit breaker has been tripped.[OIC_Resource_Type_Specification_v1.1.0 section 6.35]
oic.r.energy.usageEnergy Usage resource. This resource describes a cumulative time-based energy usage query.[OIC_Resource_Type_Specification_v1.1.0 section 6.11]
oic.r.heightHeight resource. This resource describes the properties associated with height of an object's physical size.[OIC_Resource_Type_Specification_v1.1.0 section 6.61]
oic.r.humidityHumidity resource. This resource describes a sensed or desired humidity.[OIC_Resource_Type_Specification_v1.1.0 section 6.12]
oic.r.icemakerIce Maker resource. This resource describes the operational state of an ice maker.[OIC_Resource_Type_Specification_v1.1.0 section 6.13]
oic.r.light.brightnessBrightness resource. This resource describes the brightness of a light or lamp.[OIC_Resource_Type_Specification_v1.1.0 section 6.5]
oic.r.light.dimmingDimming resource. This resource describes a dimming function.[OIC_Resource_Type_Specification_v1.1.0 section 6.8]
oic.r.light.ramptimeRamp Time resource. This resource describes the Ramp Time of a dimming function.[OIC_Resource_Type_Specification_v1.1.0 section 6.19]
oic.r.lock.codeLock Code resource. This resource describes a lock code.[OIC_Resource_Type_Specification_v1.1.0 section 6.15]
oic.r.lock.statusLock resource. This resource describes whether a lock is locked or unlocked.[OIC_Resource_Type_Specification_v1.1.0 section 6.14]
oic.r.mediaMedia resource. This resource specifies the media that a server supports.[OIC_Resource_Type_Specification_v1.1.0 section 6.41]
oic.r.media.inputMedia Source Input resource. This resource provides the list of input media sources available on the device.[OIC_Resource_Type_Specification_v1.1.0 section 6.42]
oic.r.media.outputMedia Source Output resource. This resource provides the list of output media sources available on the device.[OIC_Resource_Type_Specification_v1.1.0 section 6.43]
oic.r.modeMode resource. This resource describes the modes of operation that a device can provide.[OIC_Resource_Type_Specification_v1.1.0 section 6.16]
oic.r.movement.linearMovement resource. This resource describes linear movement.[OIC_Resource_Type_Specification_v1.1.0 section 6.54]
oic.r.nightmodeNight Mode resource. This resource describes whether a night mode feature is on or off.[OIC_Resource_Type_Specification_v1.1.0 section 6.45]
oic.r.openlevelOpen Level resource. This resource describes how open or ajar an entity such as a window, door, blind or shutter is.[OIC_Resource_Type_Specification_v1.1.0 section 6.17]
oic.r.operational.stateOperational State resource. This resource describes the operational and job states on a device.[OIC_Resource_Type_Specification_v1.1.0 section 6.18]
oic.r.ptzPan Tilt Zoom Movement resource. This resource specifies the pan tilt and zoom capabilities of a device.[OIC_Resource_Type_Specification_v1.1.0 section 6.47]
oic.r.refrigerationRefrigeration resource. This resource describes a refrigeration function.[OIC_Resource_Type_Specification_v1.1.0 section 6.20]
oic.r.sensorGeneric Sensor resource. This resource describes whether some value or property or entity has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.36]
oic.r.sensor.accelerationAcceleration Sensor resource. This resource provides a measure of proper acceleration (g force).[OIC_Resource_Type_Specification_v1.1.0 section 6.53]
oic.r.sensor.activity.countActivity Count resource. This resource specifies an activity count.[OIC_Resource_Type_Specification_v1.1.0 section 6.23]
oic.r.sensor.atmosphericpressureAtmospheric Pressure resource. This resource provides a measurement of Mean Sea Level Pressure experienced at the measuring point expressed in millibars.[OIC_Resource_Type_Specification_v1.1.0 section 6.24]
oic.r.sensor.carbondioxideCarbon Dioxide Sensor resource. This resource describes whether carbon dioxide has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.29]
oic.r.sensor.carbonmonoxideCarbon Monoxide Sensor resource. This resource describes whether carbon monoxide has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.30]
oic.r.sensor.contactContact Sensor resource. This resource describes whether a contact sensor has been tripped or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.33]
oic.r.sensor.geolocationGeolocation Sensor resource. This resource describes the properties associated with the current geolocation coordinate.[OIC_Resource_Type_Specification_v1.1.0 section 6.60]
oic.r.sensor.glassbreakGlass Break Sensor resource. This resource describes a glass break sensor.[OIC_Resource_Type_Specification_v1.1.0 section 6.37]
oic.r.sensor.heart.zoneHeart Rate Zone Sensor resource. This resource describes a measured heart rate by the current Zone using the Zoladz method.[OIC_Resource_Type_Specification_v1.1.0 section 6.38]
oic.r.sensor.illuminanceIlluminance Sensor resource. This resource describes an illuminance sensor.[OIC_Resource_Type_Specification_v1.1.0 section 6.39]
oic.r.sensor.magneticfielddirectionMagnetic Field Direction resource. This resource describes the direction of the Earth's magnetic field at the observer's current point in space.[OIC_Resource_Type_Specification_v1.1.0 section 6.40]
oic.r.sensor.motionMotion Sensor resource. This resource describes whether motion has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.43]
oic.r.sensor.presencePresence Sensor resource. This resource describes whether presence has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.45]
oic.r.sensor.radiation.uvUV Radiation resource. This resource describes an ultraviolet radiation measurement.[OIC_Resource_Type_Specification_v1.1.0 section 6.51]
oic.r.sensor.sleepSleep Sensor resource. This resource describes whether human sleep has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.55]
oic.r.sensor.smokeSmoke Sensor resource. This resource describes whether smoke has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.56]
oic.r.sensor.threeaxisThree Axis Sensor resource. This resource provides a representation of the measurement from a three-axis sensor.[OIC_Resource_Type_Specification_v1.1.0 section 6.57]
oic.r.sensor.touchTouch Sensor resource. This resource describes whether touch has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.50]
oic.r.sensor.waterWater Sensor resource. This resource describes whether water has been sensed or not.[OIC_Resource_Type_Specification_v1.1.0 section 6.52]
oic.r.signalstrengthSignal Strength resource. This resource describes the strength of a signal by means of Link Quality Indicator and Received Signal Strength Indicator.[OIC_Resource_Type_Specification_v1.1.0 section 6.48]
oic.r.speech.ttsSpeech Synthesis resource. This resource is capable of rendering speech and allows a client to provide an SSML document with text to render.[OIC_Resource_Type_Specification_v1.1.0 section 6.49]
oic.r.switch.binaryBinary switch resource. This resource describes a binary switch (on/off).[OIC_Resource_Type_Specification_v1.1.0 section 6.4]
oic.r.temperatureTemperature resource. This resource describes a sensed or actuated Temperature value.[OIC_Resource_Type_Specification_v1.1.0 section 6.21]
oic.r.time.periodTime Period resource. This resource describes the time period over which any additionally provided information is derived or bounded.[OIC_Resource_Type_Specification_v1.1.0 section 6.22]
oic.r.weightWeight resource. This resource describes the properties associated with weight of an object.[OIC_Resource_Type_Specification_v1.1.0 section 6.62]
oma.lwm2mOMA LwM2M Resource. This Resource type indicates that the resource and all of its sub-resources support the OMA Lightweight M2M protocol, i.e. contain OMA LwM2M objects and resources.[OMA-TS-LightweightM2M-V1_0]
bbf.usp.endpointEndpoint of the Broadband Forum USP protocol[https://usp.technology/specification/mtp/coap/]
oic.wk.colCollection resource.[OCF_Core_Specification_v1.0.0 section D.2]
oic.wk.conDevice Configuration resource.[OCF_Core_Specification_v1.0.0 section D.3]
oic.wk.con.pPlatform Configuration resource.[OCF_Core_Specification_v1.0.0 section D.4]
oic.wk.dDevice resource.[OCF_Core_Specification_v1.0.0 section D.5]
oic.wk.mntMaintenance resource.[OCF_Core_Specification_v1.0.0 section D.6]
oic.wk.pPlatform resource.[OCF_Core_Specification_v1.0.0 section D.7]
oic.wk.resDiscoverable Resources resource.[OCF_Core_Specification_v1.0.0 section D.9]
oic.wk.scenelistScene List resource.[OCF_Core_Specification_v1.0.0 section D.11]
oic.wk.scenecollectionScene Member Collection resource.[OCF_Core_Specification_v1.0.0 section D.12]
oic.wk.scenememberScene Member resource.[OCF_Core_Specification_v1.0.0 section D.13]
oic.wk.rdResource Directory resource.[OCF_Core_Specification_v1.0.0 section D.14]
oic.r.iconIcon resource.[OCF_Core_Specification_v1.0.0 section D.15]
oic.wk.introspectionIntrospection resource.[OCF_Core_Specification_v1.0.0 section D.16]
oic.r.airqualityAir Quality resource.[OCF_ResourceType_Specification_v1.0.0 section 6.65]
oic.r.airqualitycollectionAir Quality Collection resource.[OCF_ResourceType_Specification_v1.0.0 section 6.66]
oic.r.consumableConsumable resource.[OCF_ResourceType_Specification_v1.0.0 section 6.67]
oic.r.consumablecollectionConsumable Collection resource.[OCF_ResourceType_Specification_v1.0.0 section 6.68]
oic.r.delaydefrostDelay Defrost resource.[OCF_ResourceType_Specification_v1.0.0 section 6.69]
oic.r.ecomodeEcomode resource.[OCF_ResourceType_Specification_v1.0.0 section 6.70]
oic.r.heatingzoneHeating Zone resource.[OCF_ResourceType_Specification_v1.0.0 section 6.71]
oic.r.heatingzonecollectionHeating Zone Collection resource.[OCF_ResourceType_Specification_v1.0.0 section 6.72]
oic.r.mediasourcelistMedia Source List resource.[OCF_ResourceType_Specification_v1.0.0 section 6.43]
oic.r.media.inputInput Media Source List resource.[OCF_ResourceType_Specification_v1.0.0 section 6.44]
oic.r.media.outputOutput Media Source List resource.[OCF_ResourceType_Specification_v1.0.0 section 6.45]
oic.r.movement.ptzPhysical Pan Tilt Zoom resource.[OCF_ResourceType_Specification_v1.0.0 section 6.49]
oic.r.image.ptzImage Pan Tilt Zoom resource.[OCF_ResourceType_Specification_v1.0.0 section 6.49]
oic.r.selectablelevelsSelectable Levels resource.[OCF_ResourceType_Specification_v1.0.0 section 6.73]
oic.r.value.conditionalValue Conditional resource.[OCF_ResourceType_Specification_v1.0.0 section 6.74]
oic.d.airqualitymonitorAir Quality Monitor device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.washerdryerWasher Dryer (Laundry) device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.cookerhoodCooker Hood device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.cooktopCooktop device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.dehumidifierDehumidifier device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.freezerFreezer device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.foodprobeFood Probe device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.humidifierHumidifier device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.d.stbSet Top Box device[OCF_SmartHome_Device_Specification_v1.0.0 section 9.1]
oic.wk.nmonNetwork Monitoring resource.[OCF_Core_Specification_v2.0.1 section D.16]
oic.wk.atomicmeasurementAtomic Measurement resource.[OCF_Core_Specification_v2.0.1 section D.17]
oic.d.bridgeBridge device.[OCF_Bridging_Specification_v2.0.1 section 8]
oic.d.virtualVirtual device.[OCF_Bridging_Specification_v2.0.1 section 8]
oic.r.securemodeSecure Mode resource.[OCF_Bridging_Specification_v2.0.1 section 9.2]
oic.r.alljoynobjectAlljoyn Object resource.[OCF_Bridging_Specification_v2.0.1 section 9.3]
oic.r.easysetupEasy Setup resource.[OCF_Core_Specification_Extension_Wi-Fi_Easy_Setup_v2.0.1 section A.2]
oic.r.wificonfWi-Fi Configuration resource.[OCF_Core_Specification_Extension_Wi-Fi_Easy_Setup_v2.0.1 section A.3]
oic.r.devconfDevice Configuration resource.[OCF_Core_Specification_Extension_Wi-Fi_Easy_Setup_v2.0.1 section A.4]
oic.r.coapcloudconfCoAP Cloud Configuration.[OCF_Core_Specification_Extension_CoAP_Native_Cloud_v2.0.1 section A.2]
oic.r.colour.cscColour Space Coordinates resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.75]
oic.r.colour.colourtemperatureColour Temperature resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.76]
oic.r.colour.hsColour Hue Saturation resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.77]
oic.r.batterymaterialBattery Material resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.78]
oic.r.brewingBrewing resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.79]
oic.r.energy.electricalElectrical Energy resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.80]
oic.r.energy.generationEnergy Generation resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.81]
oic.r.foamingFoaming resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.82]
oic.r.grinderGrinder resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.83]
oic.r.liquid.levelLiquid Level resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.84]
oic.r.vehicle.connectorElectric Vehicle Connector resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.85]
oic.r.time.stampTime Stamp resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.86]
oic.r.printer.3d3D Printer resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.87]
oic.r.blood.pressureBlood Pressure resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.88]
oic.r.bloodpressuremonitor-amBlood Pressure Monitor Atomic Measurement resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.89]
oic.r.bmiBody Mass Index (BMI) resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.90]
oic.r.body.fatBody Fat resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.91]
oic.r.body.ffmBody Fat Free Mass resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.92]
oic.r.body.locationBody Location resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.93]
oic.r.body.location.temperatureBody Location Temperature resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.94]
oic.r.bodyscale-amBody Scale Atomic Measurement resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.95]
oic.r.body.slmBody Soft Lean Mass resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.96]
oic.r.bodythermometer-amBody Thermometer Atomic Measurement resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.97]
oic.r.body.waterBody Water resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.98]
oic.r.glucoseGlucose resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.99]
oic.r.glucose.carbGlucose Meter Complex Carbohydrates resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.100]
oic.r.glucose.exerciseGlucose Meter Exercise resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.101]
oic.r.glucose.hba1cGlucose Meter HbA1c resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.102]
oic.r.glucose.healthGlucose Meter Context Health resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.103]
oic.r.glucose.mealGlucose Meter Context Meal resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.104]
oic.r.glucose.medicationGlucose Meter Context Medication resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.105]
oic.r.glucosemeter-amGlucose Meter Atomic Measurement resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.106]
oic.r.glucose.samplelocationGlucose Meter Context Sample Location resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.107]
oic.r.glucose.testerGlucose Meter Context Tester resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.108]
oic.r.orfid.stationOptical RFID Station resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.109]
oic.r.orfid.tagOptical RFID Tag resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.110]
oic.r.powersourcePower Source resource[OCF_Resource_Type_Specification_v2.0.1 section 6.111]
oic.r.printer.queuePrint Queue resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.112]
oic.r.pulseratePulse Rate resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.113]
oic.r.sensor.propsSensor Properties resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.114]
oic.r.useridUser ID resource.[OCF_Resource_Type_Specification_v2.0.1 section 6.115]
oic.d.waterheaterWater Heater device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.furnaceFurnace device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.pumpPump device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.condensingunitCondensing Unit device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.condenserCondenser device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.hvacHVAC device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.lightingcontrolLighting Controls device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.icemachineIce Machine device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.rangeRange device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.steamclosetSteam Closet device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.audiosystemAudio System device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.avplayerAV Player device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.desktoppcDesktop PC device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.notebookpcNotebook PC device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.serverServer device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.pcComputer device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.datastorageunitData Storage Unit device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.displayDisplay device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.portableelectronicsPortable Electronics device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.gameconsoleGame Console device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.3dprinter3D Printer device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.musicalinstrumentMusical Instrument device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.networkingNetworking Equipment device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.handsetHandset device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.telephonydeviceTelephony device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.speakerActive Speaker device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.smallelectricalElectronics device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.aircompressorAir Compressor device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bathroomdeviceBathroom General device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.batterychargerBattery Charger device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.businessequipmentBusiness Equipment device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.portablestovePortable Stove device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.exercisemachineExercise Machine device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.hvacportablePortable HVAC device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.orfidOptical Augmented RFID Reader device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.coffeemachineCoffee Machine device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.grinderGrinder device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.kettleKettle device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.lightdecorativeDecorative Lighting device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.lightemergencyEmergency Lighting device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.microwaveMicrowave Oven device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.vendingmachineVending Machine device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.waterdispenserWater Dispenser device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.batteryBattery device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.windowWindow device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.fireplaceFireplace device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.energygeneratorEnergy Generator device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.electricmeterElectric Meter device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.electricvehiclechargerElectric Vehicle Charger device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.fitnessdeviceFitness device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bloodpressuremonitorBlood Pressure Monitor device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bodythermometerBody Thermometer device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.medicaldeviceMedia device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.glucosemeterGlucose Meter device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.bodyscaleBody Scale device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.personalhealthdevicePersonal Health device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.d.unknownOther device.[OCF_Device_Specification_v2.0.1 section A.2]
oic.r.doxmDevice Owner Transfer resource[OCF_Security_Specification_v2.0.1 section 13.1]
oic.r.credCredential resource[OCF_Security_Specification_v2.0.1 section 13.2]
oic.r.crlCertificate Revocation List resource[OCF_Security_Specification_v2.0.1 section 13.3]
oic.r.aclAccess Control List resource[OCF_Security_Specification_v2.0.1 section 13.4]
oic.r.acl2Access Control List 2 resource[OCF_Security_Specification_v2.0.1 section 13.4]
oic.r.amaclAccess Manager ACL resource[OCF_Security_Specification_v2.0.1 section 13.5]
oic.r.saclSigned ACL resource[OCF_Security_Specification_v2.0.1 section 13.6]
oic.r.pstatProvisioning Status resource[OCF_Security_Specification_v2.0.1 section 13.7]
oic.r.csrCertificate Signing Request resource[OCF_Security_Specification_v2.0.1 section 13.8]
oic.r.rolesRoles resource[OCF_Security_Specification_v2.0.1 section 13.9]
oic.r.accountAccount resource[OCF_Security_Specification_v2.0.1 section 13.10]
oic.r.sessionAccount Session resource[OCF_Security_Specification_v2.0.1 section 13.11]
oic.r.tokenrefreshAccount Token Refresh resource[OCF_Security_Specification_v2.0.1 section 13.12]
fa.csResource type for the Fairhair common services[Fairhair Alliance specification section 5.2.2]
fa.rd-confResource type for the Fairhair resource that configures and manages information about RDs on FA devices[Fairhair Alliance specification section 4.6.1.4]
fa.lnkResource type for the Fairhair Linkage resource[Fairhair Alliance specification section 5.5.2]
fa.rd-idResource type for the Fairhair resource that Identifies the resource which configures and manages RD identity information[Fairhair Alliance specification section 4.6.1.5]
oic.d.activitytrackerActivity Tracker device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.amsAccess Management Service.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cgmContinuous Glucose Meter device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.circuitbreakerCircuit Breaker device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cmsCredential Management Service.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cyclingcadencesensorCycling cadence sensor device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cyclingpowermeterCycling power meter device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.cyclingspeedsensorCycling speed sensor device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.dotsDevice Ownership Transfer Service.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.energymonitorEnergy Monitor device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.heartratemonitorHeart Rate Monitor device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.inverterInverter device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.pulseoximeterPulse Oximeter device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.pvarraysystemPhotovoltaic Array System device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.sleepmonitorSleep Monitor device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.d.waterpurifierWater Purifier device.[OCF_Device_Specification_v2.0.5 clause A.2]
oic.r.activityActivity resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.127]
oic.r.activitytracker-amActivity tracker measurement with activity, heart rate, etc.[OCF_Resource_Type_Specification_v2.0.5 clause 6.128]
oic.r.alarmAlarm resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.129]
oic.r.alertAlerts resource type[OCF_Core_Optional_Specification_v2.0.5 clause A.10]
oic.r.alertcollectionAlerts Collection resource type[OCF_Core_Optional_Specification_v2.0.5 clause A.11]
oic.r.cadenceCadence resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.144]
oic.r.calorificvalueEnergy associated with the consumption of various fuels.[OCF_Resource_Type_Specification_v2.0.5 clause 6.116]
oic.r.cgm.calibrateContinuous Glucose Meter calibration resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.131]
oic.r.cgm.samplingintervalContinuous Glucose Meter sampling interval resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.132]
oic.r.cgm.sensorContinuous Glucose Meter sensor resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.133]
oic.r.cgm.statusContinuous Glucose Meter status resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.134]
oic.r.cgm.thresholdContinuous Glucose Meter threshold resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.135]
oic.r.cgm-amResource for glucose, sensor, time, and user data.[OCF_Resource_Type_Specification_v2.0.5 clause 6.130]
oic.r.circuitbreakerCircuit Breaker resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.145]
oic.r.conversionfactorProperty used in calculating conversions.[OCF_Resource_Type_Specification_v2.0.5 clause 6.117]
oic.r.cyclingpowerCycling power resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.146]
oic.r.gas.consumptionEnergy values associated with gas consumption.[OCF_Resource_Type_Specification_v2.0.5 clause 6.118]
oic.r.gas.usageCumulative time-based gas usage query.[OCF_Resource_Type_Specification_v2.0.5 clause 6.119]
oic.r.heartrateHeart rate resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.136]
oic.r.heartratemonitor-amResource for heart rate, time, and user data.[OCF_Resource_Type_Specification_v2.0.5 clause 6.137]
oic.r.iaszoneResource that includes iaszoneinfo, battery, and power source information[OCF_Resource_Type_Specification_v2.0.5 clause 6.125]
oic.r.iaszoneinfoIntruder Alert System (IAS) Zone information resource[OCF_Resource_Type_Specification_v2.0.5 clause 6.124]
oic.r.impactsensorImpact sensor resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.120]
oic.r.inverterInverter resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.147]
oic.r.keypadcharCharacter keypad resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.121]
oic.r.opaquedataOpaque data transferred and uninterpretable at endpoints.[OCF_Resource_Type_Specification_v2.0.5 clause 6.122]
oic.r.pulsatilecharacteristicPulsatile characteristic of the pulsative wave of a pulse oximeter.[OCF_Resource_Type_Specification_v2.0.5 clause 6.138]
oic.r.pulsatileoccurrencePulsatile occurrence of a pulse oximeter.[OCF_Resource_Type_Specification_v2.0.5 clause 6.139]
oic.r.pulseoximeter-amResource for SpO2, pulse data, observed time, and user data.[OCF_Resource_Type_Specification_v2.0.5 clause 6.140]
oic.r.pvconnectionterminalPhotovoltaic connection terminal resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.148]
oic.r.sleepSleep resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.141]
oic.r.sleepmonitor-amResource for sleep stages and sleep score data.[OCF_Resource_Type_Specification_v2.0.5 clause 6.142]
oic.r.softwareupdateSoftware Update resource type[OCF_Core_Optional_Specification_v2.0.5 clause A.12]
oic.r.spSecurity Profile[OCF_Security_Specification_v2.0.5 clause 14.8]
oic.r.speedSpeed resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.149]
oic.r.spo2Blood oxygen saturation level resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.143]
oic.r.torqueTorque resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.150]
oic.r.useridUser identification resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.123]
oic.r.vodlistVirtual OCF Device resource.[OCF_Bridging_Specification_v2.0.5 clause 5.5]
oic.r.waterinfoWater information resource.[OCF_Resource_Type_Specification_v2.0.5 clause 6.151]
oic.r.windowcoveringConfigurable window covering resource[OCF_Resource_Type_Specification_v2.0.5 clause 6.126]
ace.est.crtsThis resource depicts the support of EST GET cacerts.[RFC9148]
ace.est.senThis resource depicts the support of EST simple enroll.[RFC9148]
ace.est.srenThis resource depicts the support of EST simple reenroll.[RFC9148]
ace.est.attThis resource depicts the support of EST GET CSR attributes.[RFC9148]
ace.est.skgThis resource depicts the support of EST server-side key generation with the returned certificate in a PKCS #7 container.[RFC9148]
ace.est.skcThis resource depicts the support of ESTserver-side key generation with the returned certificate in application/pkix-cert format.[RFC9148]
oic.d.bodycompositionanalyserBody Composition Analyser device[OCF Device Specification v2.1.2 clause A.2]
oic.d.indoorgardenIndoor Garden device[OCF Device Specification v2.1.2 clause A.2]
oic.d.mattressMattress device[OCF Device Specification v2.1.2 clause A.2]
oic.d.muscleoxygenmonitorMuscle Oxygen Monitor device[OCF Device Specification v2.1.2 clause A.2]
oic.r.aelAuditable Event List[OCF Security Specification v2.1.2 clause C.9]
oic.r.bodycompositionanalyser-amBody Composition Analyser resource[OCF Resource Type Specification v2.1.2 clause 6.155]
oic.r.deodorizationDeodorization resource[OCF Resource Type Specification v2.1.2 clause 6.152]
oic.r.hvac.capacityHVAC Capacity resource[OCF Resource Type Specification v2.1.2 clause 6.157]
oic.r.keycardswitchKeycard Switch resource[OCF Resource Type Specification v2.1.2 clause 6.153]
oic.r.media.audioMedia (Audio) resource[OCF Resource Type Specification v2.1.2 clause 6.158]
oic.r.media.coreMedia (Core) resource[OCF Resource Type Specification v2.1.2 clause 6.159]
oic.r.media.imageMedia (Image) resource[OCF Resource Type Specification v2.1.2 clause 6.160]
oic.r.media.textMedia (Text) resource[OCF Resource Type Specification v2.1.2 clause 6.161]
oic.r.media.videoMedia (Video) resource[OCF Resource Type Specification v2.1.2 clause 6.162]
oic.r.muscleoxygensaturationMuscle Oxygen Saturation resource[OCF Resource Type Specification v2.1.2 clause 6.154]
oic.r.switch.faultFault Interrupter resource[OCF Resource Type Specification v2.1.2 clause 6.156]
oic.r.switch.restrictedRestricted Switch resource[OCF Resource Type Specification v2.1.2 clause 6.163]
oic.d.afciArc Fault Circuit Interrupter[OCF Device Specification v2.2.0 clause A.2]
oic.d.airerAirer[OCF Device Specification v2.2.0 clause A.2]
oic.d.gfciGround Fault Circuit Interrupter[OCF Device Specification v2.2.0 clause A.2]
oic.r.sdiSecurity Domain Information[OCF Security Specification v2.2.0 clause C.10]
oic.r.settings.accessibilityDevice Settings - Accessibility[OCF Resource Type Specification v2.2.0 clause 6.164]
oic.r.settings.broadcastingDevice Settings - Broadcasting[OCF Resource Type Specification v2.2.0 clause 6.165]
oic.r.settings.pictureDevice Settings - Picture[OCF Resource Type Specification v2.2.0 clause 6.166]
oic.r.settings.soundDevice Settings - Sound[OCF Resource Type Specification v2.2.0 clause 6.167]
oic.r.settings.supportDevice Settings - Support[OCF Resource Type Specification v2.2.0 clause 6.168]
oic.r.settings.systemDevice Settings - System[OCF Resource Type Specification v2.2.0 clause 6.169]
oic.r.sensor.measurementGeneric Measurement Sensor[OCF_Resource_Type_Specification_v2.2.2 clause 6.170]
oic.r.sensor.radiation.uvaUVA Radiation[OCF_Resource_Type_Specification_v2.2.2 clause 6.171]
oic.r.sensor.radiation.uvbUVB Radiation[OCF_Resource_Type_Specification_v2.2.2 clause 6.172]
oic.r.colour.renderingindexColour Rendering Index[OCF_Resource_Type_Specification_v2.2.2 clause 6.173]
oic.r.sound.pressureSound Pressure in Pascal[OCF_Resource_Type_Specification_v2.2.2 clause 6.174]
oic.r.sound.pressurelevelSound Pressure Level in dB[OCF_Resource_Type_Specification_v2.2.2 clause 6.175]
oic.r.location.civicCivic Location[OCF_Resource_Type_Specification_v2.2.2 clause 6.176]
ace.aiACE-OAuth authz-info endpoint resource.[RFC9200]
oic.d.acassistantA/C Assistant[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.daliLight (DALI) Device[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.dali.acLight (DALI) Application Controller[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.dali.busLight (DALI) Bus[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.light.smartSmart Light[OCF_Device_Specification_v2.2.4 clause A.2]
oic.d.wallpadWallpad[OCF_Device_Specification_v2.2.4 clause A.2]
oic.r.remotecontrolRemote Control[OCF_Resource_Type_Specification_v2.2.4 clause 7.177]
oic.r.tv.appsTV Apps[OCF_Resource_Type_Specification_v2.2.4 clause 7.178]
oic.r.vendorlistVendor List[OCF_Resource_Type_Specification_v2.2.4 clause 7.179]
oic.r.daliDALI[OCF_Resource_Type_Specification_v2.2.4 clause 7.180]
oic.r.dali.confDALI Configuration[OCF_Resource_Type_Specification_v2.2.4 clause 7.181]
wot.directorylink to WoT Thing Description of a Thing Description Directory[Web of Things (WoT) Discovery, Section 6.4]
wot.thinglink to WoT Thing Description of a Thing[Web of Things (WoT) Discovery, Section 6.4]
core.edhocEDHOC resource[RFC9528]
core.coap-eapCoAP-EAP resource[RFC-ietf-ace-wg-coap-eap-14]

Interface Description (if=) Link Target Attribute Values

Expert(s)
Carsten Bormann, Jaime Jimenez, Christian Amsüss
Reference
[RFC6690]
Note
Registration requests should be sent to the [mailing list] described in [RFC6690]. If approved, designated experts should notify IANA within two weeks. For assistance, please contact iana@iana.org. IANA does not monitor the list.
Available Formats

CSV
RangeRegistration Procedures
value starts with "core"IETF Review
all other valuesSpecification Required
ValueDescriptionReferenceNotes
oic.if.baselineThe baseline Interface defines a view into all Properties of a Resource including the Meta Properties. This Interface is used to operate on the full Representation of a Resource.[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.llThe 'links list' Interface provides a view into Links in a Collection (Resource). Since Links represent relationships to other Resources, the links list interfaces may be used to discover Resources with respect to a context. The discovery is done by retrieving Links to these Resources.[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.bThe batch Interface is used to interact with a collection of Resources at the same time. This also removes the need for the Client to first discover the Resources it is manipulating - the Server forwards the requests and aggregates the responses.[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.rThe read-only Interface exposes the Properties of a Resource that may be 'read'. This Interface does not provide methods to update Properties or a Resource and so can only be used to 'read' Property Values.[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.rwThe read-write Interface exposes only those Properties that may be both 'read' and 'written' and provides methods to read and write the Properties of a Resource.[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.aThe actuator Interface is used to read or write the Properties of an actuator Resource.[OIC_Core_Specification_v1.1.0 section 7.5.3]
oic.if.sThe sensor Interface is used to read the Properties of a sensor Resource.[OIC_Core_Specification_v1.1.0 section 7.5.3]
bbf.usp.cUSP Controller Endpoint of the Broadband Forum USP protocol[https://usp.technology/specification/mtp/coap/]
bbf.usp.aUSP Agent Endpoint of the Broadband Forum USP protocol[https://usp.technology/specification/mtp/coap/]
oic.if.createThe create OCF Interface is used to create new Resources in a Collection. Both the Resource and the Link pointing to it are created in a single atomic operation.[OCF_Core_Specification_v2.0.5 clause 7.6.3.9]
ace.groupsThe KDC interface at the parent resource of group-membership resources is used to retrieve names of security groups using the ACE framework.[RFC9594, section 4.1]
ace.groupThe KDC interface at a group-membership resource is used to provision keying material and related information and policies to members of the corresponding security group using the ACE framework.[RFC9594, section 4.1]

CoAP Codes

Registration Procedure(s)
Reserved ranges may be allocated in accordance with section 4.3 of [RFC8126].
Reference
[RFC7252, Section 12.1]
Available Formats

CSV
CodeDescriptionReference
0.00Indicates an Empty message.[RFC7252, section 4.1]
0.01-0.31Indicates a request. Values in this range are assigned by the [CoAP Method Codes] sub-registry.[RFC7252, section 12.1.1]
1.00-1.31Reserved[RFC7252]
2.00-5.31Indicates a response. Values in this range are assigned by the [CoAP Response Codes] sub-registry.[RFC7252, section 12.1.2]
6.00-7.31Reserved[RFC7252]

CoAP Method Codes

Registration Procedure(s)
IETF Review or IESG Approval
Reference
[RFC7252, Section 12.1.1]
Available Formats

CSV
CodeNameReference
0.01GET[RFC7252]
0.02POST[RFC7252]
0.03PUT[RFC7252]
0.04DELETE[RFC7252]
0.05FETCH[RFC8132]
0.06PATCH[RFC8132]
0.07iPATCH[RFC8132]
0.08-0.31Unassigned

CoAP Response Codes

Registration Procedure(s)
IETF Review or IESG Approval
Reference
[RFC7252, Section 12.1.2]
Available Formats

CSV
CodeDescriptionReference
2.00Unassigned
2.01Created[RFC7252]
2.02Deleted[RFC7252]
2.03Valid[RFC7252]
2.04Changed[RFC7252]
2.05Content[RFC7252]
2.06-2.30Unassigned
2.31Continue[RFC7959]
3.00-3.31Reserved[RFC7252]
4.00Bad Request[RFC7252]
4.01Unauthorized[RFC7252]
4.02Bad Option[RFC7252]
4.03Forbidden[RFC7252]
4.04Not Found[RFC7252]
4.05Method Not Allowed[RFC7252]
4.06Not Acceptable[RFC7252]
4.07Unassigned
4.08Request Entity Incomplete[RFC7959]
4.09Conflict[RFC8132]
4.10-4.11Unassigned
4.12Precondition Failed[RFC7252]
4.13Request Entity Too Large[RFC7252][RFC7959]
4.14Unassigned
4.15Unsupported Content-Format[RFC7252]
4.16-4.21Unassigned
4.22Unprocessable Entity[RFC8132]
4.23-4.28Unassigned
4.29Too Many Requests[RFC8516]
4.30-4.31Unassigned
5.00Internal Server Error[RFC7252]
5.01Not Implemented[RFC7252]
5.02Bad Gateway[RFC7252]
5.03Service Unavailable[RFC7252]
5.04Gateway Timeout[RFC7252]
5.05Proxying Not Supported[RFC7252]
5.06-5.07Unassigned
5.08Hop Limit Reached[RFC8768]
5.09-5.31Unassigned

CoAP Option Numbers

Expert(s)
Bilhanan Silverajan (primary), Klaus Hartke (secondary), Carsten Bormann (secondary), Jaime Jimenez (secondary), Alexander Pelov (secondary)
Reference
[RFC7252, Section 12.2]
Available Formats

CSV
RangeRegistration Procedures
0-255IETF Review or IESG Approval
256-2047Specification Required
2048-64999Expert Review
65000-65535Experimental use (no operational use)
NumberNameReference
0Reserved[RFC7252]
1If-Match[RFC7252][RFC8613]
2Unassigned
3Uri-Host[RFC7252][RFC8613]
4ETag[RFC7252][RFC8613]
5If-None-Match[RFC7252][RFC8613]
6Observe[RFC7641][RFC8613]
7Uri-Port[RFC7252][RFC8613]
8Location-Path[RFC7252][RFC8613]
9OSCORE[RFC8613]
10Unassigned
11Uri-Path[RFC7252][RFC8613]
12Content-Format[RFC7252][RFC8613]
13Unassigned
14Max-Age[RFC7252][RFC8516][RFC8613]
15Uri-Query[RFC7252][RFC8613]
16Hop-Limit[RFC8768]
17Accept[RFC7252][RFC8613]
18Unassigned
19Q-Block1[RFC9177]
20Location-Query[RFC7252][RFC8613]
21EDHOC[RFC9668]
22Unassigned
23Block2[RFC7959][RFC8323][RFC8613]
24-26Unassigned
27Block1[RFC7959][RFC8323][RFC8613]
28Size2[RFC7959][RFC8613]
29-30Unassigned
31Q-Block2[RFC9177]
32-34Unassigned
35Proxy-Uri[RFC7252][RFC8613]
36-38Unassigned
39Proxy-Scheme[RFC7252][RFC8613]
40-59Unassigned
60Size1[RFC7252][RFC8613]
61-127Unassigned
128Reserved[RFC7252]
129-131Unassigned
132Reserved[RFC7252]
133-135Unassigned
136Reserved[RFC7252]
137-139Unassigned
140Reserved[RFC7252]
141-251Unassigned
252Echo[RFC9175]
253-257Unassigned
258No-Response[RFC7967][RFC8613]
259-291Unassigned
292Request-Tag[RFC9175]
293-2048Unassigned
2049OCF-Accept-Content-Format-Version[Michael_Koster]
2050-2052Unassigned
2053OCF-Content-Format-Version[Michael_Koster]
2054Unassigned
2055SCP82-Params[GPC_SPE_207]
2056-64999Unassigned
65000-65535Reserved for Experimental Use[RFC7252]

CoAP Content-Formats

Expert(s)
Esko Dijk (primary), Klaus Hartke (secondary), Carsten Bormann (secondary), Jaime Jimenez (secondary), Alexander Pelov (secondary)
Reference
[RFC7252, Section 12.3][RFC Errata 4954]
Note
The validity of the combination of Content Coding, Content Type and parameters is checked prior to assignment.
Available Formats

CSV
RangeRegistration Procedures
0-255Expert Review
256-9999IETF Review or IESG Approval
10000-64999First Come First Served
65000-65535Experimental use (no operational use)
Content TypeContent CodingIDReference
text/plain; charset=utf-80[RFC2046][RFC3676][RFC5147]
Unassigned1-15
application/cose; cose-type="cose-encrypt0"16[RFC9052]
application/cose; cose-type="cose-mac0"17[RFC9052]
application/cose; cose-type="cose-sign1"18[RFC9052]
application/ace+cbor19[RFC9200]
Unassigned20
image/gif21[https://www.w3.org/Graphics/GIF/spec-gif89a.txt]
image/jpeg22[ISO/IEC 10918-5]
image/png23[RFC2083]
Unassigned24-39
application/link-format40[RFC6690]
application/xml41[RFC3023]
application/octet-stream42[RFC2045][RFC2046]
Unassigned43-46
application/exi47["Efficient XML Interchange (EXI) Format 1.0 (Second Edition)", February 2014]
Unassigned48-49
application/json50[RFC8259]
application/json-patch+json51[RFC6902]
application/merge-patch+json52[RFC7396]
Unassigned53-59
application/cbor60[RFC8949]
application/cwt61[RFC8392]
application/multipart-core62[RFC8710]
application/cbor-seq63[RFC8742]
application/edhoc+cbor-seq64[RFC9528]
application/cid-edhoc+cbor-seq65[RFC9528]
Unassigned66-95
application/cose; cose-type="cose-encrypt"96[RFC9052]
application/cose; cose-type="cose-mac"97[RFC9052]
application/cose; cose-type="cose-sign"98[RFC9052]
Unassigned99-100
application/cose-key101[RFC9052]
application/cose-key-set102[RFC9052]
Unassigned103-109
application/senml+json110[RFC8428]
application/sensml+json111[RFC8428]
application/senml+cbor112[RFC8428]
application/sensml+cbor113[RFC8428]
application/senml-exi114[RFC8428]
application/sensml-exi115[RFC8428]
Unassigned116-139
application/yang-data+cbor; id=sid140[RFC9254]
Unassigned141-255
application/coap-group+json256[RFC7390]
application/concise-problem-details+cbor257[RFC9290]
application/swid+cbor258[RFC9393]
application/pkixcmp259[RFC9482][RFC-ietf-lamps-rfc6712bis-10]
application/yang-sid+json260[RFC9595]
application/ace-groupcomm+cbor261[RFC9594]
application/ace-trl+cbor262[RFC-ietf-ace-revoked-token-notification-09]
application/eat+cwt263[RFC-ietf-rats-eat-media-type-12]
application/eat+jwt264[RFC-ietf-rats-eat-media-type-12]
application/eat-bun+cbor265[RFC-ietf-rats-eat-media-type-12]
application/eat-bun+json266[RFC-ietf-rats-eat-media-type-12]
application/eat-ucs+cbor267[RFC-ietf-rats-eat-media-type-12]
application/eat-ucs+json268[RFC-ietf-rats-eat-media-type-12]
application/coap-eap269[RFC-ietf-ace-wg-coap-eap-14]
Unassigned270
application/dots+cbor271[RFC9132]
application/missing-blocks+cbor-seq272[RFC9177]
Unassigned273-279
application/pkcs7-mime; smime-type=server-generated-key280[RFC7030][RFC8551][RFC9148]
application/pkcs7-mime; smime-type=certs-only281[RFC8551][RFC9148]
Unassigned282-283
application/pkcs8284[RFC5958][RFC8551][RFC9148]
application/csrattrs285[RFC7030][RFC9148]
application/pkcs10286[RFC5967][RFC8551][RFC9148]
application/pkix-cert287[RFC2585][RFC9148]
Unassigned288-289
application/aif+cbor290[RFC9237]
application/aif+json291[RFC9237]
Unassigned292-309
application/senml+xml310[RFC8428]
application/sensml+xml311[RFC8428]
Unassigned312-319
application/senml-etch+json320[RFC8790]
Unassigned321
application/senml-etch+cbor322[RFC8790]
Unassigned323-339
application/yang-data+cbor340[RFC9254]
application/yang-data+cbor; id=name341[RFC9254]
Unassigned342-431
application/td+json432["Web of Things (WoT) Thing Description 1.1", April 2022]
application/tm+json433["Web of Things (WoT) Thing Description 1.1", April 2022]
application/sdf+json434[RFC-ietf-asdf-sdf-23]
Unassigned435-600
application/uccs+cbor601[RFC-ietf-rats-uccs-12, Section 6.4]
Unassigned602-835
application/voucher+cose (TEMPORARY - registered 2022-04-12, extension registered 2025-03-07, expires 2026-04-12)836[draft-ietf-anima-constrained-voucher-23]
Unassigned837-1541
Reserved, do not use1542-1543[OMA-TS-LightweightM2M-V1_0]
Unassigned1544-9999
application/vnd.ocf+cbor10000[Michael_Koster]
application/oscore10001[RFC8613]
application/javascript10002[RFC4329]
application/eat+cwt; eat_profile="tag:psacertified.org,2023:psa#tfm"10003[RFC-tschofenig-rats-psa-token-24]
application/eat+cwt; eat_profile="tag:psacertified.org,2019:psa#legacy"10004[RFC-tschofenig-rats-psa-token-24]
application/eat+cwt; eat_profile=2.16.840.1.113741.1.16.110005[RFC-ietf-rats-eat-media-type-12][draft-cds-rats-intel-corim-profile-02]
Unassigned10006-10569
application/toc+cbor10570[CE-Binding, Section 6.3.1]
application/ce+cbor10571[CE-Binding, Section 6.3.2]
application/toc+cbor;profile=2.16.840.1.113741.1.16.110572[TCG DICE Concise Evidence Binding for SPDM][draft-cds-rats-intel-corim-profile]
application/ce+cbor;profile=2.16.840.1.113741.1.16.110573[TCG DICE Concise Evidence Binding for SPDM][draft-cds-rats-intel-corim-profile]
Unassigned10574-11049
application/jsondeflate11050[RFC8259][RFC9110, Section 8.4.1.2]
Unassigned11051-11059
application/cbordeflate11060[RFC8949][RFC9110, Section 8.4.1.2]
Unassigned11061-11541
application/vnd.oma.lwm2m+tlv11542[OMA-TS-LightweightM2M-V1_0]
application/vnd.oma.lwm2m+json11543[OMA-TS-LightweightM2M-V1_0]
application/vnd.oma.lwm2m+cbor11544[OMA-TS-LightweightM2M-V1_2]
Unassigned11545-11999
text/plain;charset=utf-8zstd12000[Benjamin_Valentin]
Unassigned12001-12040
application/xmlzstd12041[Benjamin_Valentin]
Unassigned12042-12049
application/jsonzstd12050[Benjamin_Valentin]
Unassigned12051-19999
text/css20000[RFC2318]
Unassigned20001-29999
image/svg+xml30000[https://www.w3.org/TR/SVG/mimereg.html]
Unassigned30001-64999
Reserved for Experimental Use65000-65535[RFC7252]

CoAP Signaling Codes

Registration Procedure(s)
IETF Review or IESG Approval
Reference
[RFC8323]
Available Formats

CSV
CodeNameReference
7.00Unassigned
7.01CSM[RFC8323]
7.02Ping[RFC8323]
7.03Pong[RFC8323]
7.04Release[RFC8323]
7.05Abort[RFC8323]
7.06-7.31Unassigned

CoAP Signaling Option Numbers

Expert(s)
Bilhanan Silverajan (primary), Klaus Hartke (secondary), Alexander Pelov (secondary)
Reference
[RFC8323]
Available Formats

CSV
RangeRegistration ProceduresNote
0-255IETF Review or IESG ApprovalRange applies to Option Number field
256-2047Specification RequiredRange applies to Option Number field
2048-64999Expert ReviewRange applies to Option Number field
65000-65535Experimental use (no operational use)Range applies to Option Number field
Applies toNumberNameReference
7.012Max-Message-Size[RFC8323]
7.014Block-Wise-Transfer[RFC8323]
7.016Extended-Token-Length[RFC8974]
7.02, 7.032Custody[RFC8323]
7.042Alternative-Address[RFC8323]
7.044Hold-Off[RFC8323]
7.052Bad-CSM-Option[RFC8323]
7.xx (all)9OSCORE[RFC8613]

OSCORE Flag Bits

Registration Procedure(s)
Expert Review
Expert(s)
Francesca Palombini, Göran Selander, Christian Amsüss
Reference
[RFC8613]
Available Formats

CSV
Bit PositionNameDescriptionReference
0Reserved[RFC8613]
1Reserved[RFC8613]
2Group FlagFor using a Group OSCORE Security Context, set to 1 if the message is protected with the group mode[draft-ietf-core-oscore-groupcomm-14]
3Kid Context FlagSet to 1 if kid context is present in the compressed COSE object[RFC8613]
4Kid FlagSet to 1 if kid is present in the compressed COSE object[RFC8613]
5-7Partial IV LengthEncodes the Partial IV length; can have value 0 to 5[RFC8613]
8Extension-2 FlagSet to 1 if the OSCORE Option specifies a third byte, which includes the flag bits 16-23[draft-ietf-core-oscore-key-update-03]
9-14Unassigned
15Nonce FlagSet to 1 if nonce is present in the compressed COSE object[draft-ietf-core-oscore-key-update-03]
16Extension-3 FlagSet to 1 if the OSCORE Option specifies a fourth byte, which includes the flag bits 24-31[draft-ietf-core-oscore-key-update-03]
17-23Unassigned
24Extension-4 FlagSet to 1 if the OSCORE Option specifies a fifth byte, which includes the flag bits 32-39[draft-ietf-core-oscore-key-update-03]
25-31Unassigned
32Extension-5 FlagSet to 1 if the OSCORE Option specifies a sixth byte, which includes the flag bits 40-47[draft-ietf-core-oscore-key-update-03]
33-39Unassigned
40Extension-6 FlagSet to 1 if the OSCORE Option specifies a seventh byte, which includes the flag bits 48-55[draft-ietf-core-oscore-key-update-03]
41-47Unassigned
48Extension-7 FlagSet to 1 if the OSCORE Option specifies a eighth byte, which includes the flag bits 56-63[draft-ietf-core-oscore-key-update-03]
49-63Unassigned

RD Parameters

Registration Procedure(s)
Expert Review
Expert(s)
Carsten Bormann, Jaime Jiménez, Christian Amsüss
Reference
[RFC9176]
Note
In accordance with [RFC9423], all entries with the "A" flag set, including new ones, MUST also be registered in the "Target Attributes" registry [IANA registrycore-parameters].
Available Formats

CSV
NameShortValidityUseDescriptionReference
Endpoint NameepUnicode*RLAName of the endpoint[RFC9176]
Lifetimelt1-4294967295RLifetime of the registration in seconds[RFC9176]
SectordUnicode*RLASector to which this endpoint belongs[RFC9176]
Registration Base URIbaseURIRLAThe scheme, address, port, and path at which this server is available[RFC9176]
PagepageIntegerLUsed for pagination[RFC9176]
CountcountIntegerLUsed for pagination[RFC9176]
Endpoint Typeet[RFC9176, Section 9.3.1]RLASemantic type of the endpoint (see[RFC9176, Section 9.4])[RFC9176]

Endpoint Type (et=) RD Parameter Values

Expert(s)
Carsten Bormann, Jaime Jiménez, Christian Amsüss
Reference
[RFC9176]
Available Formats

CSV
RangeRegistration Procedures
value starts with "core"IETF Review
all other valuesSpecification Required
ValueDescriptionReferenceNotes
core.rd-groupAn application group, as described in [RFC9176] Appendix A.[RFC9176]

Standard Problem Detail Keys

Registration Procedure(s)
Specification Required
Expert(s)
Thomas Fossati, Carsten Bormann
Reference
[RFC9290]
Available Formats

CSV
Key ValueNameCDDL TypeBrief DescriptionChange ControllerReference
-1titletext / tag38Short, human-readable summary of the problem shapeIETF (core@ietf.org or art@ietf.org)[RFC9290]
-2detailtext / tag38Human-readable explanation specific to this occurrence of the problemIETF (core@ietf.org or art@ietf.org)[RFC9290]
-3instance~uriURI reference identifying specific occurrence of the problemIETF (core@ietf.org or art@ietf.org)[RFC9290]
-4response-codeuint .size 1CoAP response codeIETF (core@ietf.org or art@ietf.org)[RFC9290]
-5base-uri~uriBase URIIETF (core@ietf.org or art@ietf.org)[RFC9290]
-6base-langtag38-ltagBase language tag (see [RFC9290, Appendix A])IETF (core@ietf.org or art@ietf.org)[RFC9290]
-7base-rtltag38-directionBase writing direction (see [RFC9290, Appendix A])IETF (core@ietf.org or art@ietf.org)[RFC9290]
-8unprocessed-coap-optionone-or-more<uint>Option number(s) of CoAP option(s) that were not understoodIETF (core@ietf.org or art@ietf.org)[RFC9290, Section 3.1.1]
-25request-body-error-positionuintByte index inside the request body at which the error became apparent[CoRE_WG][draft-amsuess-core-pd-body-error-position-00]

Custom Problem Detail Keys

Registration Procedure(s)
Expert Review
Expert(s)
Thomas Fossati, Carsten Bormann
Reference
[RFC9290]
Available Formats

CSV
Key ValueNameBrief DescriptionChange ControllerReference
0ace-groupcomm-errorCarry [RFC9594] problem details in a Concise Problem Details data itemIETF[RFC9594, Section 4.1.2]
1ace-trl-errorCarry [RFC-ietf-ace-revoked-token-notification-09] problem details in a Concise Problem Details data item.IETF[RFC-ietf-ace-revoked-token-notification-09, Section 6.1]
7807tunnel-7807Carry [RFC7807] problem details in a Concise Problem Details data itemIETF (core@ietf.org or art@ietf.org)[RFC9290, Appendix B]

Target Attributes

Registration Procedure(s)
Expert Review
Expert(s)
Carsten Bormann, Marco Tiloca
Reference
[RFC9423]
Available Formats

CSV
Attribute NameBrief DescriptionChange ControllerReference
hrefreserved (not useful as target attribute name)IETF[RFC6690]
anchorreserved (not useful as target attribute name)IETF[RFC6690]
relreserved (not useful as target attribute name)IETF[RFC6690]
revreserved (not useful as target attribute name)IETF[RFC6690]
hreflang(Web Linking)IETF[RFC8288]
media(Web Linking)IETF[RFC8288]
title(Web Linking)IETF[RFC8288]
type(Web Linking)IETF[RFC8288]
rtresource typeIETF[RFC6690, Section 3.1]
ifinterface descriptionIETF[RFC6690, Section 3.2]
szmaximum size estimateIETF[RFC6690, Section 3.3]
ctContent-Format hintIETF[RFC7252, Section 7.2.1]
obsobservable resourceIETF[RFC7641, Section 6]
hctHTTP-CoAP URI mapping templateIETF[RFC8075, Section 5.5]
oschint: resource only accessible using OSCOREIETF[RFC8613, Section 9]
epEndpoint Name (with rt="core.rd-ep")IETF[RFC9176, Section 9.3]
dSector (with rt="core.rd-ep")IETF[RFC9176, Section 9.3]
baseRegistration Base URI (with rt="core.rd-ep")IETF[RFC9176, Section 9.3]
etEndpoint Type (with rt="core.rd-ep")IETF[RFC9176, Section 9.3]
ed-iHint: support for the EDHOC Initiator roleIETF[RFC9668]
ed-rHint: support for the EDHOC Responder roleIETF[RFC9668]
ed-methodA supported authentication method for EDHOCIETF[RFC9668]
ed-csuiteA supported cipher suite for EDHOCIETF[RFC9668]
ed-cred-tA supported type of authentication credential for EDHOCIETF[RFC9668]
ed-idcred-tA supported type of authentication credential identifier for EDHOCIETF[RFC9668]
ed-eadA supported External Authorization Data (EAD) item for EDHOCIETF[RFC9668]
ed-comb-reqHint: support for the EDHOC+OSCORE requestIETF[RFC9668]

Contact Information

IDNameContact URILast Updated
[Benjamin_Valentin]Benjamin Valentinmailto:benjamin.valentin&ml-pa.com2025-04-22
[CoRE_WG]IETF CoRE WG (reverts to IETF after WG closes)mailto:core&ietf.org
[Michael_Koster]Michael Kostermailto:michael.koster&smartthings.com2017-07-03
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