Postman — The leading API platform for designing, testing, documenting, and mocking APIs
Postman simplifies every step of the API lifecycle. Millions of developers use it to send HTTP requests, automate test suites, and generate documentation.
About Postman
Postman is the universal standard for API development used by over 30 million engineers. It allows developers to test REST, GraphQL, gRPC, and WebSocket endpoints, configure automated test scripts in JavaScript, simulate backend servers with Mock APIs, and publish interactive API documentation.
Key features
- Interactive API Client — Send REST, GraphQL, WebSocket, and gRPC requests with custom headers and auth.
- Automated Test Collections — Write test scripts in JavaScript and run collections with the Newman CLI.
- Mock Servers & Documentation — Simulate API responses before backend code is written and publish live docs.
Pricing
Pricing model: Freemium.
- Free — $0 — Core API client, Shared workspaces up to 3 users, Mock servers up to 1000 calls
- Basic — 4 / month — Unlimited workspace members, 10x collection runs, Integrations
- Professional —