Service APIs Overview

Pub/Sub has both traditional REST/HTTP and gRPC interfaces. If you don't want to use our client libraries to access the Pub/Sub API, you have the option of writing your own client libraries that use its REST/HTTP or gRPC API surface. We recommend this approach only if your language or other needs are not met by our provided client libraries.


You can generate your own gRPC client libraries in any gRPC-supported language for the Pub/Sub API from its .proto service definition using these resources:


There are a number of possible options for interacting with a service's REST interface. To create your own clients, use the following resources: