Insomnia
Open-source API client for GraphQL, REST, and gRPC with design and debugging tools.
API Tools Free
Postman Features
- Multi-protocol API client (HTTP, GraphQL, gRPC, WebSocket, MQTT)
- API design and specification editor with OpenAPI
- Automated API testing with Collection Runner
- Performance testing with virtual users
- API monitoring with scheduled runs and alerts
- Mock servers for simulating API behavior
- API documentation generation
- Team collaboration with workspaces and RBAC
- Native Git integration for versioning
- Postman AI Agent Mode for test generation
- Postman Flows for visual API workflow automation
- Secret scanning and Postman Vault
- SDK generation in 10+ languages
- API Catalog for centralizing APIs
- Inso CLI for CI/CD pipeline integration
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Integrations
Postman integrates with 20 tools. Integration guides coming soon.
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