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ChirpStack Application Server is an open-source LoRaWAN Application Server, part of theChirpStack open-source LoRaWAN Network Server stack. It is responsiblefor the node "inventory" part of a LoRaWAN infrastructure, handling of receivedapplication payloads and the downlink application payload queue. It comeswith a web-interface and API (RESTful JSON and gRPC) and supports authorizationby using JWT tokens (optional). Received payloads are published over MQTTand payloads can be enqueued by using MQTT or the API.

With the release of ChirpStack v4, the source-code has been migrated tohttps://github.com/chirpstack/chirpstack/.Please refer to thev3 to v4 migration guidefor information on how to migrate your ChirpStack v3 instance.

• ChirpStack Gateway Bridge
• ChirpStack Network Server
• ChirpStack Application Server

• Downloads
• Docker image
• Documentation & screenshots andGetting started
• Building from source
• Contributing
• Support
  • Support forum
  • Bug or feature requests

ChirpStack Application Server is distributed under the MIT license. See alsoLICENSE.