Authentication with the Fat Zebra API is via HTTP Basic Authentication. When your account is setup you are provided with two sets of credentials - one for the test environment (also known as the Sandbox), and one for the live system. Your test username will always be prefixed with
API requests must be made over HTTPS - any requests over HTTP will fail. All requests require authentication.
It is important to note that your username is not case sensitive however your API token (password) is.
$ curl https://gateway.pmnts-sandbox.io/v1.0/purchases -u TEST:TEST
Updated over 1 year ago