While invoking a POST webAPI from Postman, I am getting error as below:
"Unable to get Issuer certificate" .
Authentication used here API-Key.
Passing as Header: Appian-Api-Key
What can be possible reasons?
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This points towards a SSL certificate issue. The server uses a certificate your client cannot validate.
Found this: stackoverflow.com/.../ssl-certificate-problem-unable-to-get-issuer-certificate