Supported middleware

List of all the supported middleware components that can be injected in Dapr’s processing pipeline.

Name	Description	Status	Component version
Rate limit	Restricts the maximum number of allowed HTTP requests per second	Alpha	v1
OAuth2	Enables the OAuth2 Authorization Grant flow on a Web API	Alpha	v1
OAuth2 client credentials	Enables the OAuth2 Client Credentials Grant flow on a Web API	Alpha	v1
Bearer	Verifies a Bearer Token using OpenID Connect on a Web API	Alpha	v1
Open Policy Agent	Applies Rego/OPA Policies to incoming Dapr HTTP requests	Alpha	v1
Uppercase	Converts the body of the request to uppercase letters	GA (For local development)	v1