Is Postman free to use?
Yes. Postman offers a generous free plan that includes the full API client, unlimited collection runs, unlimited mock servers, native Git integration, and 50 AI credits per month. No credit card is required to sign up.
What API protocols does Postman support?
Postman supports HTTP/REST, GraphQL, gRPC, WebSocket, MQTT, and Server-Sent Events (SSE) in a single unified interface. It also supports MCP and other AI-related protocols for building AI agents.
How does Postman compare to Insomnia or Hoppscotch?
Postman offers the broadest feature set including team collaboration, mock servers, monitoring, and an API catalog. Insomnia is lighter-weight and open-source-friendly, while Hoppscotch is fully open-source and browser-based. Postman is best for teams that need collaboration and enterprise governance.
Can Postman be used in CI/CD pipelines?
Yes. The Postman CLI and Newman (open-source runner) integrate with Jenkins, GitHub Actions, GitLab CI, CircleCI, and other CI/CD systems to run automated API tests as part of your deployment pipeline.
What are Postman AI credits used for?
AI credits power Postman's AI features including generating test scripts, writing documentation, creating mock responses, building queries, and automating workflows via Agent Mode. Free users get 50 credits/month, while paid plans get 400-800 per user.
Does Postman support team collaboration?
Yes, starting with the Team plan at $19/user/month. Teams get shared workspaces, real-time collaboration on collections and environments, role-based access control, and unlimited workspace viewers. Enterprise adds private API networks and audit logs.