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Guides
Explore guides about payment API requests, responses and event notifications, freely readable without an account.
Trace a conceptual API request
This guide walks through payment API requests, responses and event notifications in a deliberate order using a constructed teaching example, never a live transaction. Define the terms, ask what evidence supports an interpretation, and consult the actual provider when your own money or account is involved.
02Read a simple webhook lifecycle
This guide walks through payment API requests, responses and event notifications in a deliberate order using a constructed teaching example, never a live transaction. Define the terms, ask what evidence supports an interpretation, and consult the actual provider when your own money or account is involved.
03Understand why secret keys must stay private
This guide walks through payment API requests, responses and event notifications in a deliberate order using a constructed teaching example, never a live transaction. Define the terms, ask what evidence supports an interpretation, and consult the actual provider when your own money or account is involved.