A payment integration ID is the identifier for your payment method that you're integrating with through Accept.
In order to get your integration IDs:
- Go to Payment Integration tab found in your Accept Dashboard.
- By default you will find a test card integration ID.
- In case you want to add a new payment method integration ID, click on the "Add" button then choose the desired payment method.
- In case your integration was a Shopify integration, check the "use shopify" button, for more info about Shopify integration please check this article.
- For more information about Transaction processed callback and Transaction response callback please check this article.