Composio is a Developer tools tool: Tool and auth layer that lets AI agents act in 1,500+ apps.

How much does Composio cost?

Composio uses a Freemium model; paid plans start at $29 per month.

What are the best alternatives to Composio?

Community-listed alternatives to Composio include Scalekit, Lexmount Browser, Click, Omnara.

What does Composio integrate with?

Composio integrates with Gmail, Slack, GitHub, Notion, HubSpot, Salesforce and more.

Composio

Tool and auth layer that lets AI agents act in 1,500+ apps

Freemium · $29Workflow automation Developer tools

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Composio is a developer tools tool for Developers and Small businesses, offered as freemium ($29/mo). Based in United States, founded in 2023. Popular alternatives include Scalekit, Lexmount Browser, Click.

About Composio

Composio is an integration platform that lets AI agents act inside apps such as Gmail, GitHub, HubSpot and Salesforce. It was founded in 2023 by IIT Bombay graduates Soham Ganatra (CEO) and Karan Vaidya, works from San Francisco and Bengaluru, and raised a Series A led by Lightspeed in July 2025. It handles the plumbing of agent tool use: per-user OAuth and API keys, tool definitions and sandboxed execution.

The catalog covers 1,500+ apps through Python and TypeScript SDKs, with packages for the OpenAI, Anthropic and Google SDKs, or via an MCP server for Claude, ChatGPT, Cursor and Codex. Webhook triggers let agents react to events, and admins can restrict, approve and audit calls. Hobby is free with a hard monthly cap, Pro is a $29 usage credit then per-call billing, and Enterprise adds SSO, customer-managed keys and a BAA.

Composio fits teams building agents that act for many end users. Pipedream Connect is the closest rival for code-first teams, and Zapier's MCP suits no-code users. Trust is the issue: Composio's incident page says an attacker accessed internal systems in May 2026, credentials for about 0.3% of active connections leaked and 5,241 API keys were flagged as potentially exposed; a September 16 update lists independent security reviews.

On October 20, 2026 Composio Instant finished #2 of the day on Product Hunt with 325 upvotes. It gives each agent a pay-per-call wallet for 100+ paid tools such as Apollo, with no provider keys; new wallets start with $2. Buying tip: bring your own OAuth apps, since managed apps use only 20,000 of the 100,000 free calls.

Key features of Composio

Managed OAuth and API-key storage for each end user of your agent
More than 1,500 app toolkits including Gmail, Slack, GitHub and Salesforce
Python and TypeScript SDKs with OpenAI, Anthropic and Google providers
MCP server that plugs into Claude, ChatGPT, Cursor and Codex
Webhook triggers so agents react to events in connected apps
Action limits, approval steps and an audit log of every tool call
Instant wallet that pays per call for 100+ paid tools without API keys
Enterprise options for SSO/SCIM, customer-managed KMS keys and BAA

Pros and cons

Pros

Removes weeks of OAuth and token-refresh work per integration
Generous free tier of 100,000 tool calls a month
Works with most agent frameworks and any MCP client
Instant lets agents use paid data tools without separate subscriptions
Transparent per-call pricing with spend caps on Pro

Cons

May 2026 security incident exposed some customer credentials and API keys
Composio-managed OAuth apps count toward a smaller free allowance
Usage-based billing on Pro is harder to forecast than a flat fee
BAA, IP allowlisting and zero data retention cost extra on Pro
Tool quality varies across a very large, fast-growing catalog

Composio pricing

Composio uses a freemium model.

Plan	Price	Includes
Hobby	$0	100K tool calls and 50K trigger events/mo, hard cap
Pro	$29 / mo	$29 usage credit, then $0.0003 per tool call
Enterprise	Custom	SSO/SCIM, customer-managed keys, BAA, SLA

Source: composio.dev · checked on Oct 22, 2026

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How Composio compares in Developer tools

Rank by votes: #2 / 101
Starting price: $29
Free alternatives: 23

Composio ranks #2 of 101 developer tools tools by community votes and is priced above most tools in the category.

Common use cases

1Giving a customer-facing agent access to each user's Gmail and Calendar
2Letting a coding agent open issues and pull requests on GitHub
3Building a sales agent that updates HubSpot or Salesforce records
4Running lead research with paid search and enrichment tools via Instant
5Triggering agent workflows from Slack messages or new emails

Best for

Developers building multi-user AI agents who need hundreds of authenticated app integrations without writing OAuth code.

Not ideal for

Teams that want visual, no-code automations between a handful of apps (Zapier, Make).

Integrations

Gmail
Slack
GitHub
Notion
HubSpot
Salesforce
Claude Code
Cursor

Our take

Composio is one of the most complete tool layers for AI agents, and the free tier is large enough for real prototypes. Review the May 2026 incident report and the Trust Center before connecting sensitive customer accounts, and bring your own OAuth apps for production.

FAQ

What is Composio?: Composio is a Developer tools tool: Tool and auth layer that lets AI agents act in 1,500+ apps.
How much does Composio cost?: Composio uses a Freemium model; paid plans start at $29 per month.
What are the best alternatives to Composio?: Community-listed alternatives to Composio include Scalekit, Lexmount Browser, Click, Omnara.
What does Composio integrate with?: Composio integrates with Gmail, Slack, GitHub, Notion, HubSpot, Salesforce and more.
Which platforms does Composio support?: Composio is available on web.
Who is Composio for?: Developers building multi-user AI agents who need hundreds of authenticated app integrations without writing OAuth code.

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