Author in a Familiar Programming Language Support for 11 programming languages, such as Python, Java, Node, and C++. Learn from an active gRPC developer community.Control the Flow of Events with Pull Subscription Specify how many events to receive in a subscribe call based on event processing speed in the client.Real-time, Highly Performant Data Streaming Because Pub/Sub API is based on gRPC and HTTP/2, it benefits from HTTP/2 compression.