To test the integration of the API into your project, you will have a testing API key to send on every calls.
To create this key, go to the Applications page. Your key will be communicated to the creation of an application.
All the transactions and information you will use on the test environment cannot be reused on the production environment. This environment is only dedicated for testing purposes and cannot be used for real transactions.
Here's a package of testing credit cards that can be used to implement the API and testing the different payment types.
The expiration date must be valid and the security code can be any combination of 3 numbers.
For a successful payment :
For a successful payment with 3DSecure :