Google Cloud Pub/Sub and Dataflow

GCP's managed messaging (Pub/Sub) and stream-processing (Dataflow, built on Apache Beam) stack. Pub/Sub provides at-least-once and exactly-once delivery with push/pull subscribers; Dataflow runs windowed, watermark-aware Beam pipelines.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/gcp-pubsub"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
aid: streaming:gcp-pubsub
name: Google Cloud Pub/Sub and Dataflow
description: GCP's managed messaging (Pub/Sub) and stream-processing (Dataflow, built on Apache Beam)
  stack. Pub/Sub provides at-least-once and exactly-once delivery with push/pull subscribers; Dataflow
  runs windowed, watermark-aware Beam pipelines.
humanURL: https://cloud.google.com/pubsub
tags:
- Streaming
- GCP
- Managed
properties:
- type: Documentation
  url: https://cloud.google.com/pubsub/docs
- type: Documentation
  url: https://cloud.google.com/dataflow/docs