API Overview

Payments Developer Guide
- Recent Revisions to This Document

Standard Payment Processing
- Additional Resources for Processing Payments
- Basic Authorization
- Authorization with Line Items
- Authorization with Payment Network Tokens
- Authorization with a Card Verification Number
- Marketplace Authorization with Foreign Retailers
- Authorization with Strong Customer Authentication Exemption
- Account Verification with a Zero Amount Authorization
- Final Authorization Indicator
- Authorization Reversal
- Sale
- Sale with Payment Network Tokens
- Capture
- Marketplace Capture with Foreign Retailers
- Multiple Partial Capture
- Follow-On Refund
- Stand-Alone Credit
- Void for a Capture or Credit

Debit and Prepaid Card Processing
- Processing Debit and Prepaid Authorizations

Mastercard Processing
- Mastercard Payment of Winnings Processing

Payer Authentication Processing
- Providing Payer Authentication Information for Authorization
- American Express SafeKey
- Discover/Diners ProtectBuy
- Mastercard Identity Check
- Visa Secure

Split Shipments Processing
- Authorizing a Sale for a Product Not Yet Available
- Processing Two Authorizations and a Capture for Multiple Products
- Processing an Authorization and Two Captures for Multiple Products

On This Page

Micropayment Authorization

Micropayments are payments for less than one unit in the transaction’s currency.

For Barclays, Barclays supports micropayment authorizations for Mastercard and Visa payment cards.

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