The first thing to help in integrating with this Payment processor script/Gateway is to create an App. Follow the steps below to create the App. This essentially the procedure for your users to create Apps to facilitate their integration with the Payment gateway you will develop using this Payment processor software.

Step 1: Login your PayMents account.

Step 2: Click the API link.

Step 3: Click the API link on the top menu.

Step 4: You will be able to see the App creation form. You must be logged in to see this form.

Step 5. Enter your App name and submit.

Step 6. Wait for 2 to 5 business days to be approved. Well, this duration depends on how the Payment gateway company wants to keep the users waiting.

As soon as it is approved, the App will have a consumer key, and a consumer secret. These, together with the App names will be essential when integrating Payments with third-party app. Read on https://www.paymentprocessor-script.com/demos/downloads/Payments-New/api.php