Postman review: API platform for building, testing, mocking and monitoring APIs, with agent tooling

What Postman does

Lets you build, test, mock, document and monitor APIs, and exposes these tasks to coding agents through a CLI and skills.

Postman is an API platform that covers the work of building and running APIs. It includes a multi-protocol API client, collections and environments, specs, mock servers, automated testing through a collection runner, scheduled monitoring and documentation. Recent additions are aimed at AI coding agents: a command-line tool installed with npm, agent skills loaded through a postman init command, and a Context Graph that gives agents a queryable map of an organization's APIs.

Integrations listed on the official site include GitHub, GitLab, Bitbucket, Jira, Slack, Microsoft Teams, VS Code, Datadog, PagerDuty and several secret vaults. OpenAPI definitions can be imported. Spec Hub adds design and governance for several specification formats.

Pricing is freemium. The Free plan costs $0 per month for one person. Solo is $9 per month billed yearly. Team is $19 per user per month billed yearly. Enterprise has no published price and requires contacting sales. The pricing page shows only the yearly-billed figures for Solo and Team, so monthly-billing prices are not available here. AI credits grow by tier, with 400 per month on Solo, 400 per user per month on Team and 800 pooled per user per month on Enterprise. Extras such as monitoring volume, cloud performance testing and single sign-on for Team are priced separately. Usage beyond included amounts may be billed pay-as-you-go on paid plans when a billing admin enables it.

• Multi-protocol API client
• Mock servers
• Automated API testing with Collection Runner
• Scheduled API monitoring
• Postman CLI and agent skills
• Context Graph for agents
• Native Git sync
• Spec design and governance

Our take

Postman fits developers who want one place to design, test, mock and monitor APIs, and teams that want to hand those tasks to coding agents through its CLI and skills. The Free plan lets an individual start at no cost, and Team adds collaboration at a per-user price. The trade-offs are in the pricing details: Solo and Team prices are shown only for yearly billing, Enterprise pricing is not public, single sign-on on Team costs extra, and several services are metered. The pricing page also gives two different AI credit numbers for Free, so confirm that before relying on it. Buyers who need only a basic HTTP client may not use much of the platform.