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  3. API Description
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Gate
Overview
Interaction concepts
Payment models and statuses
Requests, payments, operations
One-time one-step purchase
One-time two-step purchase
On-demand COF purchase
COF purchase with automatic debiting
Payment link purchase
Card-to-card money transfer
Payout
Payment instrument verification
One-time purchases
One-step purchase
Two-step purchase
Payment link purchases
Credential-on-file (COF) purchases
Overview
Registering COF purchase
On-demand COF purchase
COF purchase with automatic debiting
Managing debiting series of COF purchase
Purchase refunds
Card-to-card money transfers
Payouts
Payment instrument verification
Auxiliary procedures
3‑D Secure authentication
3‑D Secure authentication on merchant side
Authentication on merchant's request
Checking with Address Verification Service
Submission of additional payment information
Currency conversion
Additional capabilities
Checking current payment information
Cascade payment processing
Payout retries
Saving payment data
Using tokens
MO/TO payment processing
Splitting payment amount
Debt repayment
Using addendum with itinerary data
Using dynamic merchant descriptor
Using optional parameters for payments processing
Sending notifications to customers
API Description
Signature generation and verification
Callbacks
Information of operations performing
Data formats
Addendum parameters in the Gate API
Test cards
API Reference

API Description

This section provides general information about working with the Gate interface.

  • Signature generation and verification
  • Callbacks
  • Information of operations performing
  • Data formats
  • Addendum parameters in the Gate API
  • Test cards
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