Composio vs Postman
Composio and Postman are both developer tools tools aimed at developers and small businesses. Postman costs less, from $9/mo versus $29/mo for Composio. Both have a free plan.
Tool and auth layer that lets AI agents act in 1,500+ apps
API platform for testing, mocking, documenting and sharing APIs
| Pricing | Freemium · $29 | Freemium · $9 |
| Starting price | $29/mo | $9/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Developers, Small businesses, Enterprise | Developers, Small businesses, Enterprise |
| Platforms | web | web, macos, windows, linux |
| Country | US · 2023 | US · 2014 |
| Rating | — | — |
Choose Composio if
Developers building multi-user AI agents who need hundreds of authenticated app integrations without writing OAuth code.
- 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
Look elsewhere if: Teams that want visual, no-code automations between a handful of apps (Zapier, Make).
Choose Postman if
Development teams that want a shared, full-featured workspace for testing, mocking and documenting APIs.
- Industry standard; many API vendors ship ready Postman collections
- Testing, mocking, docs and monitoring in a single tool
- Capable Free plan for solo developers
Look elsewhere if: Developers who want a lightweight Git-native client or just a docs portal (Bruno, Insomnia, ReadMe, Scalar).
Composio vs Postman pricing
Composio
- Hobby$0100K tool calls and 50K trigger events/mo, hard cap
- Pro$29/mo$29 usage credit, then $0.0003 per tool call
- EnterpriseCustomSSO/SCIM, customer-managed keys, BAA, SLA
Postman
- Free$01 user; collections, mock servers, up to 5 integrations
- Solo$9/moBilled annually; 1 user, 400 AI credits/mo
- Team$19/user/moBilled annually; unlimited users, 400 AI credits/user
- EnterpriseCustomGovernance, 800 pooled AI credits/user, 100 integrations
Composio · Key features
- 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
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
Postman · Key features
- Collections with pre-request scripts, tests and environment variables
- Requests for REST, GraphQL, gRPC, WebSocket and MQTT APIs
- Mock servers that simulate endpoints before the backend exists
- Scheduled monitors for uptime and response checks
- Collection runner and Postman CLI for CI/CD pipelines
- Spec Hub and native Git sync for API definitions
Cons
- Free plan no longer allows team collaboration
- Heavy desktop app and a cloud account needed for most features
- Collections live in a proprietary format, not plain files in your repo
Composio vs Postman: FAQ
Which is cheaper, Composio or Postman?
Postman starts at $9/mo and Composio at $29/mo. Both prices are checked on the vendors' own pricing pages.
Do Composio and Postman have a free plan?
Yes, both Composio and Postman have a free plan; paid plans add more usage and features.