Overview
API Collection is a Open Collection published by Swagger Codegen on the APIs.io network.
Tagged areas include Client Libraries, Code Generation, Open-Source, OpenAPI, and SDK.
Related API Specs
Swagger Codegen Generation API (OpenAPI)
Swagger Codegen Languages API (OpenAPI)
Swagger Codegen Options API (OpenAPI)
Swagger Codegen Utilities API (OpenAPI)
Work with this as data
Every collection 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 collections
4 MCP tools reach this
find_collectionsBrowse and filter every collection 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
This collection
curl "https://apis.io/api/v1/collections/open-.refine-report"
All collections
curl "https://apis.io/api/v1/collections?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.