Postman is where APIs meet developers
Explore, collaborate, and publish on the world's largest collection of verified APIs.
40M+
developers
500K+
organizations
250M+
APIs
The most extensive collection of verified APIs
The Postman Public API Network is home to over 250M APIs, workspaces, and collections across categories like:
Verified APIs you can trust
Verified publishers go through a thorough validation process to ensure their APIs are authentic, high-quality, and actively maintained. That means you can skip the guesswork, reduce risk, and know your integrations will just work.
For developers
Instant access to reliable APIs
For publishers
From unmatched reach to lasting retention
When you publish your APIs on Postman, you're tapping into the world's most active API ecosystem with tools to onboard, engage, and keep developers involved in your community.
Streamline developer onboarding
Let developers reach their first 200 OK in minutes through public workspaces, Run in Postman buttons, and hands-on collection experiences.
Update once, reach everyone
Post updates in your public workspace and instantly notify watchers so every developer is in sync with the latest changes.
Guide users visually to success
Combine code and documentation in interactive Notebooks to help devs implement your APIs faster and use Flows to simplify processes.
Gain real-time feedback and usage metrics
Track views, forks, error distributions, and more to understand adoption and optimize your API.
PayPal's Public Postman Collection is in the top ten most requested APIs in terms of popularity and quality. We're committed to investing in this next generation of technology.”
Dan Schulman
President and CEO, PayPal
Your AI strategy is only as strong as your APIs
Postman helps teams collaboratively build APIs that power workflows and intelligent agents. With support for the Model Context Protocol (MCP), your APIs are integration ready. Learn how top teams avoid pitfalls and rescue APIs from chaos.