Middleware
The following table lists middleware components supported by Dapr. Learn how to customize processing pipelines and set up middleware components.
Table headers to note:
| Header | Description | Example |
|---|---|---|
| Status | Component certification status | Alpha Beta Stable |
| Component version | The version of the component | v1 |
| Since runtime version | The version of the Dapr runtime when the component status was set or updated | 1.11 |
HTTP
| Component | Description | Status | Component version |
|---|---|---|---|
| OAuth2 Authorization Grant flow | Enables the OAuth2 Authorization Grant flow on a Web API | Alpha | v1 |
| OAuth2 Client Credentials Grant flow | Enables the OAuth2 Client Credentials Grant flow on a Web API | Alpha | v1 |
| OpenID Connect | Verifies a Bearer Token using OpenID Connect on a Web API | Stable | v1 |
| Rate limit | Restricts the maximum number of allowed HTTP requests per second | Stable | v1 |
| Rego/OPA Policies | Applies Rego/OPA Policies to incoming Dapr HTTP requests | Alpha | v1 |
| Router Alias | Use Router Alias to map arbitrary HTTP routes to valid Dapr API endpoints | Alpha | v1 |
| RouterChecker | Use RouterChecker middleware to block invalid http request routing | Alpha | v1 |
| Sentinel | Use Sentinel middleware to guarantee the reliability and resiliency of your application | Alpha | v1 |
| Uppercase | Converts the body of the request to uppercase letters (demo) | Stable | v1 |
| Wasm | Use Wasm middleware in your HTTP pipeline | Alpha | v1 |