These must match the environment used in the Paths below.
If you use the Sandbox Path, use your UAT credentials. If you use the Production Path, use your live credentials.
Your Merchant Code as found in your Merchant Account Record.
Your Authentication Code as found in your Merchant Account Record.
These determine which Endpoint we send your request to. We recommend setting the Production Endpoints for your Live environment, and the UAT Endpoints for your Dev environment.
|UAT (Sandbox)||uat3 (or similar, check your Merchant Account Record. In the POLi API URL, it will appear as something like, poliapi.uat3.paywithpoli.com)|