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Apache APISIX is a dynamic, real-time, high-performance API Gateway.

APISIX API Gateway provides rich traffic management features such as load balancing, dynamic upstream, canary release, circuit breaking, authentication, observability, and more.

APISIX can serve as anAI Gateway through its flexible plugin system, providing AI proxying, load balancing for LLMs, retries and fallbacks, token-based rate limiting, and robust security to ensure the efficiency and reliability of AI agents. APISIX also provides themcp-bridge plugin to seamlessly convert stdio-based MCP servers to scalable HTTP SSE services.

You can use APISIX API Gateway to handle traditional north-south traffic, as well as east-west traffic between services. It can also be used as ak8s ingress controller.

The technical architecture of Apache APISIX:

• Kindly Write a Review for APISIX in G2.
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• Slack Workspace -invitation link (Please open anissue if this link is expired), and then join the #apisix channel (Channels -> Browse channels -> search for "apisix").
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You can use APISIX API Gateway as a traffic entrance to process all business data, including dynamic routing, dynamic upstream, dynamic certificates,A/B testing, canary release, blue-green deployment, limit rate, defense against malicious attacks, metrics, monitoring alarms, service observability, service governance, etc.

• All platforms

  • Cloud-Native: Platform agnostic, No vendor lock-in, APISIX API Gateway can run from bare-metal to Kubernetes.
  • Supports ARM64: Don't worry about the lock-in of the infra technology.

• Multi protocols

  • TCP/UDP Proxy: Dynamic TCP/UDP proxy.
  • Dubbo Proxy: Dynamic HTTP to Dubbo proxy.
  • Dynamic MQTT Proxy: Supports to load balance MQTT byclient_id, both support MQTT3.1.*,5.0.
  • gRPC proxy: Proxying gRPC traffic.
  • gRPC Web Proxy: Proxying gRPC Web traffic to gRPC Service.
  • gRPC transcoding: Supports protocol transcoding so that clients can access your gRPC API by using HTTP/JSON.
  • Proxy Websocket
  • Proxy Protocol
  • HTTP(S) Forward Proxy
  • SSL: Dynamically load an SSL certificate
  • HTTP/3 with QUIC

• Full Dynamic

  • Hot Updates And Hot Plugins: Continuously updates its configurations and plugins without restarts!
  • Proxy Rewrite: Support rewrite thehost,uri,schema,method,headers of the request before send to upstream.
  • Response Rewrite: Set customized response status code, body and header to the client.
  • Dynamic Load Balancing: Round-robin load balancing with weight.
  • Hash-based Load Balancing: Load balance with consistent hashing sessions.
  • Health Checks: Enable health check on the upstream node and will automatically filter unhealthy nodes during load balancing to ensure system stability.
  • Circuit-Breaker: Intelligent tracking of unhealthy upstream services.
  • Proxy Mirror: Provides the ability to mirror client requests.
  • Traffic Split: Allows users to incrementally direct percentages of traffic between various upstreams.

• Fine-grained routing

  • Supports full path matching and prefix matching
  • Support all Nginx built-in variables as conditions for routing, so you can usecookie,args, etc. as routing conditions to implement canary release, A/B testing, etc.
  • Supportvarious operators as judgment conditions for routing, for example{"arg_age", ">", 24}
  • Supportcustom route matching function
  • IPv6: Use IPv6 to match the route.
  • SupportTTL
  • Support priority
  • Support Batch Http Requests
  • Support filtering route by GraphQL attributes

• Security

  • Rich authentication & authorization support:
    • key-auth
    • JWT
    • basic-auth
    • wolf-rbac
    • casbin
    • keycloak
    • casdoor
  • IP Whitelist/Blacklist
  • Referer Whitelist/Blacklist
  • IdP: Support external Identity platforms, such as Auth0, okta, etc..
  • Limit-req
  • Limit-count
  • Limit-concurrency
  • Anti-ReDoS(Regular expression Denial of Service): Built-in policies to Anti ReDoS without configuration.
  • CORS Enable CORS(Cross-origin resource sharing) for your API.
  • URI Blocker: Block client request by URI.
  • Request Validator
  • CSRF Based on theDouble Submit Cookie way, protect your API from CSRF attacks.

• OPS friendly

  • Zipkin tracing:Zipkin
  • Open source APM: supportApache SkyWalking
  • Works with external service discovery: In addition to the built-in etcd, it also supportsConsul,Consul_kv,Nacos,Eureka andZookeeper (CP).
  • Monitoring And Metrics:Prometheus
  • Clustering: APISIX nodes are stateless, creates clustering of the configuration center, please refer toetcd Clustering Guide.
  • High availability: Support to configure multiple etcd addresses in the same cluster.
  • Dashboard
  • Version Control: Supports rollbacks of operations.
  • CLI: start\stop\reload APISIX through the command line.
  • Standalone: Supports to load route rules from local YAML file, it is more friendly such as under the kubernetes(k8s).
  • Global Rule: Allows to run any plugin for all request, eg: limit rate, IP filter etc.
  • High performance: The single-core QPS reaches 18k with an average delay of fewer than 0.2 milliseconds.
  • Fault Injection
  • REST Admin API: Using the REST Admin API to control Apache APISIX, which only allows 127.0.0.1 access by default, you can modify theallow_admin field inconf/config.yaml to specify a list of IPs that are allowed to call the Admin API. Also, note that the Admin API uses key auth to verify the identity of the caller.
  • External Loggers: Export access logs to external log management tools. (HTTP Logger,TCP Logger,Kafka Logger,UDP Logger,RocketMQ Logger,SkyWalking Logger,Alibaba Cloud Logging(SLS),Google Cloud Logging,Splunk HEC Logging,File Logger,SolarWinds Loggly Logging,TencentCloud CLS).
  • ClickHouse: push logs to ClickHouse.
  • Elasticsearch: push logs to Elasticsearch.
  • Datadog: push custom metrics to the DogStatsD server, comes bundled withDatadog agent, over the UDP protocol. DogStatsD basically is an implementation of StatsD protocol which collects the custom metrics for Apache APISIX agent, aggregates it into a single data point and sends it to the configured Datadog server.
  • Helm charts
  • HashiCorp Vault: Support secret management solution for accessing secrets from Vault secure storage backed in a low trust environment. Currently, RS256 keys (public-private key pairs) or secret keys can be linked from vault in jwt-auth authentication plugin usingAPISIX Secret resource.

• Highly scalable

  • Custom plugins: Allows hooking of common phases, such asrewrite,access,header filter,body filter andlog, also allows to hook thebalancer stage.
  • Plugin can be written in Java/Go/Python
  • Plugin can be written with Proxy Wasm SDK
  • Custom load balancing algorithms: You can use custom load balancing algorithms during thebalancer phase.
  • Custom routing: Support users to implement routing algorithms themselves.

• Multi-Language support

  • Apache APISIX is a multi-language gateway for plugin development and provides support viaRPC andWasm.
  • The RPC way, is the current way. Developers can choose the language according to their needs and after starting an independent process with the RPC, it exchanges data with APISIX through local RPC communication. Till this moment, APISIX has support forJava,Golang,Python and Node.js.
  • The Wasm or WebAssembly, is an experimental way. APISIX can load and run Wasm bytecode via APISIXwasm plugin written with theProxy Wasm SDK. Developers only need to write the code according to the SDK and then compile it into a Wasm bytecode that runs on Wasm VM with APISIX.

• Serverless

  • Lua functions: Invoke functions in each phase in APISIX.
  • AWS Lambda: Integration with AWS Lambda function as a dynamic upstream to proxy all requests for a particular URI to the AWS API gateway endpoint. Supports authorization via api key and AWS IAM access secret.
  • Azure Functions: Seamless integration with Azure Serverless Function as a dynamic upstream to proxy all requests for a particular URI to the Microsoft Azure cloud.
  • Apache OpenWhisk: Seamless integration with Apache OpenWhisk as a dynamic upstream to proxy all requests for a particular URI to your own OpenWhisk cluster.

1. Installation

   Please refer toinstall documentation.

2. Getting started

   The getting started guide is a great way to learn the basics of APISIX. Just follow the steps inGetting Started.

   Further, you can follow the documentation to try moreplugins.

3. Admin API

   Apache APISIX providesREST Admin API to dynamically control the Apache APISIX cluster.

4. Plugin development

   You can refer toplugin development guide, and sample pluginexample-plugin's code implementation.Readingplugin concept would help you learn more about the plugin.

For more documents, please refer toApache APISIX Documentation site

Using AWS's eight-core server, APISIX's QPS reaches 140,000 with a latency of only 0.2 ms.

Benchmark script has been open sourced, welcome to try and contribute.

APISIX also works perfectly in AWS graviton3 C7g.

• European eFactory Platform: API Security Gateway – Using APISIX in the eFactory Platform
• Copernicus Reference System Software
• More Stories

A wide variety of companies and organizations use APISIX API Gateway for research, production and commercial product, below are some of them:

• Airwallex
• Bilibili
• CVTE
• European eFactory Platform
• European Copernicus Reference System
• Geely
• HONOR
• Horizon Robotics
• iQIYI
• Lenovo
• NASA JPL
• Nayuki
• OPPO
• QingCloud
• Swisscom
• Tencent Game
• Travelsky
• vivo
• Sina Weibo
• WeCity
• WPS
• XPENG
• Zoom

• Apache APISIX logo(PNG)
• Apache APISIX logo source

Inspired by Kong and Orange.

Apache 2.0 License