Either the Postdata Desktop App installed on your system, or if you are using the Postdata Web App, make sure the Postdata Agent is installed and configured.
A valid Client Certificate in one of the following formats:
.pem Certificate
.pfx/.pkcs12 Certificate
The corresponding private key file, if the certificate is in .pem format.
Once you add the certificate, it will automatically be applied to the configured domain whenever you make an HTTP request. If you wish to disable the certificate for a domain, simply uncheck the corresponding checkbox.
Remove a certificate when no longer needed for sending requests by selecting the delete icon located next to the certificate associated with a specific domain.