ASE ships with a self-signed certificate. If you want to use Postman with the self-signed certificate of ASE, then from Postman’s settings, disable the certificate verification option. Complete the following steps to disable Postman from certificate verification:
  1. Click on the spanner on the top-right corner of Postman client. A drop-down window is displayed.
  2. Select Settings from the drop-down window:

  3. In the Settings window, switch-off certificate verification by clicking on the SSL certificate verification button: