You'll find various test card numbers (including those for 3D Secure (3DS) transactions), and all the information you need to run tests in your sandbox environment, in the testing section of our docs.
Sandbox environment test card numbers
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- Set up webhook notifications
- Troubleshoot decline codes
- Understand the 'Do Not Honour (20005)' response code
- Understand request error codes
- Understand the 'Authorization: Flagged' payment status
- Understand transaction response codes
- Set up a dynamic billing descriptor
- Verify if a card linked to a source ID is expired
- Test alternative payment methods in my sandbox account
- Create a sandbox account