Streaming GraphQL API
The GraphQL operation type for receiving a stream of updates over a long-lived transport (typically WebSocket via the graphql-ws or graphql-transport-ws sub-protocols, or SSE). Used to push schema- defined deltas to clients.
Overview
Streaming GraphQL API is a GraphQL API specification published by Streaming on the APIs.io network.
The GraphQL operation type for receiving a stream of updates over a long-lived transport (typically WebSocket via the graphql-ws or graphql-transport-ws sub-protocols, or SSE). Used to push schema- defined deltas to clients.
documentation is published at https://spec.graphql.org/draft/#sec-Subscription.
The specification includes 2 reference links.
Tagged areas include Streaming, Real-Time, Event Streaming, Change Data Capture, and Stream Processing.
Endpoint
References
- Documentation https://spec.graphql.org/draft/#sec-Subscription
- Documentation https://github.com/enisdenjo/graphql-ws
Work with this as data
Every GraphQL schema 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 graphql
4 MCP tools reach this
find_graphqlBrowse and filter every GraphQL schema in the catalog.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.
Call it yourself
curl for this page
curl "https://apis.io/api/v1/graphql/streaming-graphql"
curl "https://apis.io/api/v1/graphql?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.