Postman Interceptor

Postman Interceptor helps you bring browser network traffic into Postman.

Postman logo with icons around it connected by lines. Illustration.
Postman showing capture requests and cookies. Screenshot.

Debug quicker

Confidently debug by capturing and inspecting traffic between your client and another API, right in Postman.

Capture traffic

  • Use Postman Interceptor to capture traffic and see exactly how your client and APIs are communicating.

Inspect results

  • Inspect results directly in Postman, identify issues, and resolve errors quickly.

Develop faster

  • Streamline your workflow by eliminating the need to switch back and forth between Postman and your browser.

How to install Interceptor

  1. Download Postman Interceptor for Chrome, Safari, Edge, and Firefox.
  2. Pin extension to the address bar of the browser.
  3. Before starting the network traffic capture, make sure you have the Postman desktop app installed and opened.
  4. Click on the Interceptor extension icon in the browser, and click on Start Capture.
Learn More
Selecting types of authentication in Postman. Screenshot.
POST/CON 2024 Banner

Event Recap: A New Era for API and AI Builders

Discover how leading developers are building smarter, faster, and more secure APIs in the age of agentic AI. Get the insights, strategies, and product announcements that emerged from two incredible days of innovation in Los Angeles.

Check out the recap →
Photo of Postman CEO Abhinav Asthana on stage at POST/CON 25