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Basic Processing
- Basic Authorizations
  - Required Fields for Processing Basic Authorizations Using the Simple Order API
  - Declined Authorizations
  - SO Example: Processing a Basic Authorization
- Authorization Reversals
  - Required Fields for Processing Authorization Reversals Using Simple Order APIs
  - Capturing an Authorization Using Simple Order APIs
  - Example: Processing an Authorization Reversal Using the SO API
- Authorization with Line Itemization
  - Optional Line Item Fields
  - Required Fields
  - Processing a Basic Authorization with Line Items and DCC
- Zero Amount Authorizations
  - Required Fields for Processing Zero Amount Authorizations Using the Simple Order API
  - Authorizing a Payment Using Simple Order APIs
  - SO Example: Processing a Zero Amount Authorization
- Authorization with an SCA Exemption
  - Required Fields for Processing Basic Authorizations Using the Simple Order API
  - payments-processing-pa-sca-exampts-ex-so
- Captures
  - Required Fields for Processing Basic Captures Using the Simple Order API
  - SO Example: Capturing an Authorization
- Sales
  - Required Fields for Processing Basic Sales Using Simple Order APIs
  - SO Example: Requesting a Sale
- Follow-On Credits
  - Required Fields for Processing Follow-On Credits Using the Simple Order API
  - Example: Processing a Follow-On Credit Using the SO API
- Stand Alone Credits
  - Required Fields for Processing RefundsFollow-On Credits Using Simple Order APIs
  - SO Example: Processing a Stand-Alone Credit
- Capture or Credit Voids
  - Required Fields for Processing Voids Using Simple Order APIs

Card-Present Authorizations
- EMV Chip and Online PIN Authorization
  - Fallback
  - Required Fields for a Contact EMV Authorization with Online PIN Using the Simple Order API
  - SO Example: EMV Chip and Online Pin Authorization
- EMV Chip (Contact) and Offline PIN Authorization
  - Fallback
  - Required Fields for a Contact EMV Authorization with Offline PIN Using the Simple Order API
  - SO Example: EMV Chip (Contact) with an Offline PIN
- EMV Chip (Contact) and Signature
  - Fallback
  - Required Fields for a Contact EMV Authorization with a Signature Using the Simple Order API
  - SO Example: EMV Chip (Contact) with a Signature
- EMV Chip (Contactless) and Online PIN
  - Fallback
  - Required Fields for an EMV Contactless Authorization with an Online PIN Using the Simple Order API
  - SO Example: EMV Chip (Contactless) with an Online PIN
- EMV Chip (Contactless) and Offline PIN
  - Fallback
  - Required Fields for an EMV Contactless Authorization with an Offline PIN Using the Simple Order API
  - SO Example: EMV Chip (Contactless) with an Offline PIN
- EMV Chip (Contactless with a Signature
  - EMV Fallback
  - Required Fields for an EMV Contactless Authorization with a Signature Using the Simple Order API
  - SO Example: EMV Chip (Contactless) with a Signature

Payer Authentication Processing
- Visa Secure
  - Required Fields for an Authorization with Visa Secure Using SO APIs
  - Example: Authorizing Visa Secure Using the SO API
- Authorization with an SCA Exemption
  - Required Fields for Processing Basic Authorizations Using the Simple Order API
  - payments-processing-pa-sca-exampts-ex-so

Debit and Prepaid Card Processing
- Processing Debit and Prepaid Authorizations
  - Required Fields for Debit and Prepaid Authorizations Using Simple Order APIs
    - payments-debit-prepaid-auth-required-country
  - Optional Field for Debit and Prepaid Authorizations Using Simple Order APIs
  - SO Example: Debit and Prepaid Authorizations
- Enabling Debit and Prepaid Partial Authorizations
  - Required Field for Enabling Debit and Prepaid Partial Authorizations Using Simple Order APIs
  - Optional Field for Enabling Debit and Prepaid Partial Authorizations Using Simple Order APIs
  - Enabling Partial Authorizations
  - Example: Enabling Debit and Prepaid Partial Authorizations Using the Simple Order API
- Disabling Debit and Prepaid Partial Authorizations
  - Required Field for Disabling Debit and Prepaid Partial Authorizations Using Simple Order APIs
  - Optional Field for Disabling Debit and Prepaid Partial Authorizations Using Simple Order APIs
  - Disabling Partial Authorizations
  - Example: Disabling Debit and Prepaid Partial Authorizations Using the Simple Order API

On This Page

Simple Order API | GPX

Fallback

EMV fallback is an option that allows you to use an alternative authorization method if the EMV authorization experiences a technical failure. To enable EMV fallback:

Specify that EMV Fallback is allowed.

Specify the condition that triggers EMV Fallback

for American Express or Mastercard transactions

.

Provide the service code from the track data for American Express or Mastercard transactions.

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