Compare integrations
Who hosts the payment form, where card data goes, and how much of the UI you control, side by side.
Set up your test account
Get test access, the test hostnames and portals, and what you can and cannot do in test.
API Keys
Create merchant or partner API keys, choose their agreements, and see how a request is authorised.
Testing your integration
Test card numbers, how to force a decline, and how to test Apple Pay, Google Pay and webhooks.