Appendices

Appendices

Supplementary reference material for the MagTek Universal SDK, including the full status-code list, a step-by-step API walk-through, the EMV transaction flow, and integration guidance for mobile-wallet value-added services (Apple VAS and Google Wallet Smart Tap).

In This Section

Reference Section	Information Available
A: Status Codes	The complete list of status and result codes returned by the SDK, with their meanings for handling success and error conditions.
B: API Walk Through	A step-by-step walk-through of a typical integration, showing the API calls in sequence from connection through a completed transaction.
C: EMV Transaction Flow	The end-to-end EMV transaction sequence — the stages and SDK interactions involved in processing a chip-card payment.
D: Apple VAS	Guidance for using Apple Value Added Services to read Apple Wallet passes over contactless.
E: Google Wallet Smart Tap VAS	Guidance for using Google Wallet Smart Tap to read passes and value-added service data over contactless.

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