> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tensor9.com/llms.txt
> Use this file to discover all available pages before exploring further.

# API Gateway v2 (HTTP/WebSocket)

> AWS API Gateway v2 (HTTP/WebSocket). Serves lower cost HTTP APIs with a smaller feature set than REST, plus WebSocket APIs that hold connections open for two way messages.

API Gateway v2 (HTTP/WebSocket) is available on AWS only.

[Service Catalog](/service-adapters/catalog).