How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Need help?

Contact us
Composio

Composio Toolkits API

Toolkit and tool management

Documentation Provider Profile APIs.io OpenAPI GitHub

Composio Toolkits API is one of 17 APIs that Composio publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Toolkits. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 7 operations across 7 paths, and defines 4 schemas. It is described by OpenAPI 3.2.0, at version 1.0.

Requests are made against 2 base URLs: https://backend.composio.dev, https://backend.composio.dev/api/v3.

7 operations 7 paths 4 schemas 6 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0
Base URL
https://backend.composio.dev/api/v3
Authentication
API Key, API Key, API Key, API Key, API Key
Resource Areas
1

Authentication & Security 5

Composio Toolkits API declares 5 security schemes for authenticating requests. An API key is passed in the header as x-api-key (ApiKeyAuth). An API key is passed in the header as x-user-api-key (UserApiKeyAuth). An API key is passed in the cookie as authToken (CookieAuth). An API key is passed in the header as x-org-api-key (OrgApiKeyAuth). An API key is passed in the header as x-api-key (apiKeyAuth).

  • ApiKeyAuth — Project API key authentication
  • UserApiKeyAuth — User API key authentication
  • CookieAuth — Cookie-based session authentication
  • OrgApiKeyAuth — Organization API key authentication
  • apiKeyAuth — API key for authenticating requests to the Composio platform. Obtain from the Composio dashboard at app.composio.dev.

Paths & Operations 7

Across 7 paths, the API surfaces 7 operations — 6 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Toolkits 7

Toolkit and tool management

GET
/api/v3/toolkits
List available toolkits
getToolkits 7 params → 200400401404500
GET
/api/v3/toolkits/categories
List toolkit categories
getToolkitsCategories → 200400401404500
GET
/api/v3/toolkits/{slug}
Get toolkit by slug
getToolkitsBySlug 2 params → 200400401404500
POST
/api/v3/toolkits/multi
Fetch multiple toolkits
postToolkitsMulti body → 200400401404500
GET
/api/v3/toolkits/changelog
Get toolkits changelog
getToolkitsChangelog → 200400401404500
GET
/toolkits
Composio List available toolkits
listToolkits 4 params → 200401
GET
/toolkits/{toolkitSlug}
Composio Get toolkit details
getToolkit 1 param → 200401404

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are ToolkitResponse (7 properties), ToolkitListResponse (2 properties), DeprecatedToolkitInfo (1 property), Error (1 property). Each schema is shown below with its type and property counts.

Error
object
1 property 1 required
DeprecatedToolkitInfo
object
Deprecated toolkit ID
1 property 1 required
ToolkitListResponse
object
2 properties
ToolkitResponse
object
7 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

composio-toolkits-api-openapi.yml Raw ↑

Other APIs Composio publishes across the network.

Composio Auth Configs API
AE Profile APIs.io
Composio Authentication API
AE Profile APIs.io
Composio CLI API
AE Profile APIs.io
Composio CLI Authentication API
AE Profile APIs.io
Composio Connected Accounts API
AE Profile APIs.io
Composio Files API
AE Profile APIs.io
Composio Logs API
AE Profile APIs.io
Composio MCP API
AE Profile APIs.io
Composio Migration API
AE Profile APIs.io
Composio Organization Management API
AE Profile APIs.io
Composio Projects API
AE Profile APIs.io
Composio Tool Router API
AE Profile APIs.io
#Toolkits
← Back to C APIs
API Details
ID
composio:composio-toolkits-api
Base URL
https://backend.composio.dev/api/v3
Docs
https://docs.composio.dev/reference
Provider
Composio
APIs.io →  GitHub →
Explore more
All APIs Providers APIs.io Network
Work with this as data

Every API here is available over the API and to AI agents over MCP. APIs is not yet its own endpoint on the v1 API. Reach this content through network search and the tag graph, or the MCP server below.

Installs https://mcp.apievangelist.com/mcp in Claude, Cursor, VS Code and the rest — one button, every client.

MCP tools for apis
4 tools reach this content
  • search_api_evangelistSearch every content type across the network at once.
  • find_relatedThe shared-tag relevance graph — what else covers this.
  • get_tagEverything one tag labels, across all content types.
  • guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.
All tools & prompts
Call it yourself
curl for this page
Search the network for this 
curl "https://api.apievangelist.com/v1/search?q=composio-toolkits-api&limit=10"
Everything under a tag 
curl "https://api.apievangelist.com/v1/tags/composio-toolkits-api"

Discovery needs no key. Full bodies and the synthesis endpoints are Pro.

Get an API key

Free tier, no email required. Sign in with whichever identity you already have.

GitHub Google LinkedIn

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

Where this information came from

This is an independent, third-party profile of Composio Toolkits API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.