Error: tunneling socket could not be established, cause=connect ECONNREFUSED

  1. Go to the settings in postman.
  2. Under the proxy tab, uncheck the custom proxy configuration checkbox.
  3. Check the use system proxy checkbox and save it.

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Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store