Composio vs Insomnia
Composio and Insomnia are both developer tools tools aimed at developers and small businesses. Insomnia costs less, from $12/mo versus $29/mo for Composio. Both have a free plan.
Tool and auth layer that lets AI agents act in 1,500+ apps
Open-source API client for REST, GraphQL, gRPC and MCP from Kong
| Pricing | Freemium · $29 | Open source · $12 |
| Starting price | $29/mo | $12/mo |
| Free plan | Yes | Yes |
| Free trial | — | 14 days |
| Built for | Developers, Small businesses, Enterprise | Developers, Small businesses, Enterprise |
| Platforms | web | macos, windows, linux |
| Country | US · 2023 | US · 2015 |
| 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 Insomnia if
Developers who want a fast, local-first, open-source API client with Git-based collaboration.
- Open-source core under the Apache 2.0 license
- Local-first storage keeps sensitive requests off the cloud
- Clean, fast interface that is lighter than Postman
Look elsewhere if: Teams that need a full API platform with published docs and broad workspace collaboration (Postman, Apidog, Stoplight).
Composio vs Insomnia 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
Insomnia
- Essentials$0Local, Git and cloud projects; Git Sync for up to 3 users
- Pro$12/user/mo$10 billed annually; unlimited users, RBAC, 10K mock requests
- Enterprise$45/user/moSelf-serve up to 50 users; SSO, SCIM, storage policies
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
Insomnia · Key features
- Requests for REST, GraphQL, gRPC, WebSocket, SSE and Socket.IO
- MCP client for testing Model Context Protocol servers
- OpenAPI design editor with live preview and linting
- Local, Git or end-to-end encrypted cloud storage per project
- Collection runner with pre- and post-request scripts and tests
- Mock servers built from specs, responses or plain-language prompts
Cons
- Collaboration and API documentation features trail Postman
- Free Git Sync is limited to 3 users
- Past login and sync changes hurt community trust
Composio vs Insomnia: FAQ
Which is cheaper, Composio or Insomnia?
Insomnia starts at $12/mo and Composio at $29/mo. Both prices are checked on the vendors' own pricing pages.
Do Composio and Insomnia have a free plan?
Yes, both Composio and Insomnia have a free plan; paid plans add more usage and features.