Composio · OpenAPI Overlay 1.0.0

API Evangelist enhancements for Composio Platform API

4 actions 4 updates update extends openapi/composio-openapi-original.json

Derived by API Evangelist Built from the contracts Composio publishes. Composio did not publish this file.

View Overlay File View on GitHub Overlay Specification

What the actions change

x-apievangelist-slugx-apievangelist-providerx-apievangelist-positionx-apievangelist-artifactsx-apievangelist-auth-modelx-apievangelist-mcpx-apievangelist-rate-limits

Targets 1

$.info

OpenAPI Overlay

overlay: 1.0.0
info:
  title: API Evangelist enhancements for Composio Platform API
  version: 1.0.0
extends: openapi/composio-openapi-original.json
actions:
  - target: $.info
    update:
      x-apievangelist-slug: composio
      x-apievangelist-provider: Composio
      x-apievangelist-position: Consumer
      x-apievangelist-artifacts:
        packages: packages/composio-packages.yml
        mcp: mcp/composio-mcp.yml
        authentication: authentication/composio-authentication.yml
        errors: errors/composio-problem-types.yml
        conventions: conventions/composio-conventions.yml
        lifecycle: lifecycle/composio-lifecycle.yml
        changelog: changelog/composio-changelog.yml
        cli: cli/composio-cli.yml
        data-model: data-model/composio-data-model.yml
        conformance: conformance/composio-conformance.yml
        rate-limits: rate-limits/composio-rate-limits.yml
  - target: $.info
    update:
      x-apievangelist-auth-model: >-
        API-key authentication (x-api-key / x-user-api-key / x-org-api-key). Composio
        manages OAuth2 on behalf of end users to third-party toolkits; the platform
        API itself is key-authenticated. No OAuth2 scopes on the platform API.
  - target: $.info
    update:
      x-apievangelist-mcp: >-
        Toolkits are exposed over MCP via a hosted per-session Tool Router endpoint
        (session.mcp.url, HTTP transport). See mcp/composio-mcp.yml.
  - target: $.info
    update:
      x-apievangelist-rate-limits: >-
        Per-org, 1-minute window. Headers: X-RateLimit, X-RateLimit-Remaining,
        X-RateLimit-Window-Size, Retry-After. 429 on exhaustion.

Work with this as data

Every overlay 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 openapi overlays

4 MCP tools reach this

find_overlaysBrowse and filter every overlay 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.

All 92 tools →

Call it yourself

curl for this page

This overlay

curl "https://apis.io/api/v1/overlays/composio-openapi-original-overlay"

All openapi overlays

curl "https://apis.io/api/v1/overlays?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

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