HAR files include information exchanged between you and Postman’s server. In case of errors or unexpected behavior, the HAR files help us locate the cause of the issue, and greatly help the troubleshooting process.
HAR files also help in identifying performance issues, bottlenecks, rendering problems, timeout issues, and unexpected errors.
Generate a HAR file from the Postman Web app
- Open your browser and go to Postman’s web app - https://go.postman.co/
- Right-click anywhere and select Inspect
- Go to the Network tab and check the box Preserve log
- Start recording network log. Note: If you see the red recording circle, it means that it already records. Make sure to first stop recording and then start the recording again.
- Replicate the issue that requires troubleshooting.
- Export the HAR files by clicking the downward arrow
Export HAR…
Generate a HAR file from the Postman desktop app
- Open the Postman desktop app
- Go to View > Developer > Show DevTools (current view)
- Go to the Network tab and check the box Preserve log
- Start recording network log. Note: If you see the red recording circle, it means that it already records. Make sure to first stop recording and then start the recording again.
- Replicate the issue that requires troubleshooting.
- Export the HAR files by clicking the downward arrow Export HAR…