Feature

Multi-Protocol Support

Several interfaces — REST, GraphQL, gRPC, streaming — on one product.

25 providers 84 APIs 9 declared variants

The provider exposes the same capability over more than one protocol so teams can pick the transport that fits. Reduces the odds of an impedance mismatch with an existing stack.

25 API providers on the APIs.io network offer multi-protocol support. The highest-rated are GitLab, Dolby.io, Aptos, WSO2, Amazon DataSync.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 5 Solid coverage with minor gaps
Developing 9 Usable, with meaningful gaps to close
Thin 10 Limited public surface area
Emerging 1 Early or largely undocumented

What Providers Actually Declared

This feature is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

Broad Protocol SupportMulti-Protocol SupportMulti-protocol support (S3, Swift, Atmos, HDFS)Multiple TransportsProtocol SupportREST and GraphQL APIsREST and gRPC APIsRunes Protocol SupportWHIP and WHEP protocol support for standards-based publish and playback

Scroll for all 9

Work with this as data

Every feature here is available over the APIs.io API and to AI agents over MCP. Features is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.

MCP server

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

https://apis.io/mcp

Tools for features

3 MCP tools reach this
  • 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
Search the catalog
curl "https://apis.io/api/v1/search?q=multi-protocol&limit=10"
Everything under a tag
curl "https://apis.io/api/v1/tags/multi-protocol"

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.