MasterCard Payment Gateway API Reference: Operations -
Version 12,
Protocol: REST-JSON

Process ACS Result

Interprets the authentication response returned from the card Issuer's Access Control Server (ACS) after the cardholder completes the authentication process. The response indicates the success or otherwise of the authentication. The 3DS AuthId is required so that merchants can submit payloads multiple times without producing duplicates in the database.

URL https://ap-gateway.mastercard.com/api/rest/version/12/merchant/{merchantId}/3DSecureId/{3DSecureId}
HTTP Method POST
Authentication This operation requires authentication via one of the following methods:
  • Certificate authentication.
  • Basic HTTP authentication as described at w3.org. To authenticate to the API, leave the userid portion (to the left of the colon) blank and fill the password section with the API password provided to you.

Request Parameters

3DSecure   = COMPULSORY

3DS Authentication Details.
Fixed value

3DSecure.paRes  Base64 = COMPULSORY

Base64 encoded string received from the card Issuer's ACS after the cardholder completes the authentication process.
The payment authentication response (PaRes) value is posted from the ACS in the PaRes field. The value of the PaRes field must be used in the operation request unaltered.
Existence
COMPULSORY
Fixed value
Validation Rules
Data is Base64 encoded
JSON type
String
minimum length
3
maximum length
40960

apiOperation  String =PROCESS_ACS_RESULT FIXED

Existence
FIXED
Fixed value
PROCESS_ACS_RESULT
Validation Rules
Any sequence of zero or more unicode characters.
XSD type
string

3DSecure   = COMPULSORY

3DS Authentication Details.
Fixed value

3DSecure.paRes  Base64 = COMPULSORY

Base64 encoded string received from the card Issuer's ACS after the cardholder completes the authentication process.
The payment authentication response (PaRes) value is posted from the ACS in the PaRes field. The value of the PaRes field must be used in the operation request unaltered.
Existence
COMPULSORY
Fixed value
Validation Rules
Data is Base64 encoded
JSON type
String
minimum length
3
maximum length
40960

apiOperation  String =PROCESS_ACS_RESULT FIXED

Existence
FIXED
Fixed value
PROCESS_ACS_RESULT
Validation Rules
Any sequence of zero or more unicode characters.
XSD type
string

correlationId  String = OPTIONAL

A transient identifier for the request, that can be used to match the response to the request.
The value provided is not validated, does not persist in the gateway, and is returned as provided in the response to the request.
Existence
OPTIONAL
Fixed value
Validation Rules
Data can consist of any characters
XSD type
string
minimum length
1
maximum length
100

{merchantId}  Alphanumeric + additional characters COMPULSORY

The unique identifier issued to you by your payment provider.
Existence
COMPULSORY
Validation Rules
Data may consist of the characters 0-9, a-z, A-Z, '-', '_'
XSD type
string
minimum length
1
maximum length
40

{3DSecureId}  ASCII Text COMPULSORY

A unique identifier supplied by the merchant for the authentication.
It is first defined in the check3DSEnrollment operation, and then included in subsequent operations.It is not used when the authentication is performed externally.
Existence
COMPULSORY
Validation Rules
Data consists of ASCII characters
XSD type
string
minimum length
1
maximum length
64

Response Parameters

3DSecure   = Always Provided

Data representing the 3DS results or enrollment state
Fixed value

3DSecure.summaryStatus  Enumeration = Always Provided

The summarized response from the card issuer and the payment gateway indicating the overall status of the attempt to authenticate the cardholder.
For detailed information on the authentication result, see gatewayCode.
Existence
Always Provided
Fixed value
Validation Rules
JSON type
String
Value must be a member of the following list. The values are case sensitive.
AUTHENTICATION_ATTEMPTED
Authentication was attempted but the card issuer did not perform the authentication
AUTHENTICATION_FAILED
The cardholder failed the authentication.
AUTHENTICATION_NOT_AVAILABLE
An internal error occurred and Authentication is not currently available.
AUTHENTICATION_SUCCESSFUL
The cardholder was successfully authenticated.
CARD_DOES_NOT_SUPPORT_3DS
The card does not support 3DS authentication.
CARD_ENROLLED
The card is enrolled for 3DS authentication.
CARD_NOT_ENROLLED
The card is not enrolled for 3DS authentication.

3DSecureId  ASCII Text = Always Provided

A unique identifier supplied by the merchant for the authentication.
It is first defined in the check3DSEnrollment operation, and then included in subsequent operations.
It is not used when the authentication is performed externally.
Existence
Always Provided
Fixed value
Validation Rules
Data consists of ASCII characters
JSON type
String
minimum length
1
maximum length
64

merchant  Alphanumeric + additional characters = Always Provided

The unique identifier issued to you by your payment provider.
Existence
Always Provided
Fixed value
Validation Rules
Data may consist of the characters 0-9, a-z, A-Z, '-', '_'
JSON type
String
minimum length
1
maximum length
40

response   = Always Provided

A collection of information that is specific to responses from the API.
Fixed value

response.3DSecure   = Always Provided

The response code which indicates the status.
Fixed value

response.3DSecure.gatewayCode  Enumeration = Always Provided

The detailed response from the payment gateway to indicate the status of the 3DS authentication.
Existence
Always Provided
Fixed value
Validation Rules
The result of a 3DS request to the gateway.
JSON type
String
Value must be a member of the following list. The values are case sensitive.
ACS_SESSION_TIMEOUT
The session with the Issuer's ACS timed out. The cardholder did not return from the ACS session.
AUTHENTICATION_ATTEMPTED
The Merchant attempted to authenticate the cardholder with the card Issuer, but the card Issuer did not perform authentication of the card. Proof of authentication attempt was provided.
AUTHENTICATION_FAILED
The cardholder failed authentication by the card Issuer.
AUTHENTICATION_NOT_AVAILABLE_ERROR_DETAILS_PROVIDED
The response received from the card issuer's ACS (PARes) indicated that authentication of the cardholder could not be completed as technical or other issues were encountered by the Issuer's ACS. Error details (IReq) provided.
AUTHENTICATION_NOT_AVAILABLE_NO_ERROR_DETAILS
The response received from the card issuer's ACS (PARes) indicated that authentication of the cardholder could not be completed as technical or other issues were encountered by the Issuer's ACS. No error details (IReq) were provided.
AUTHENTICATION_SUCCESSFUL
The cardholder was successfully authenticated by the card Issuer.
CARD_DOES_NOT_SUPPORT_3DS
The card does not support 3D Secure authentication.
CARD_ENROLLED
Card holder is enrolled.
ENROLLMENT_STATUS_UNDETERMINED_ERROR_DETAILS_PROVIDED
The Issuer's ACS was not able to process the request to check enrollment or the card is ineligible (e.g. it is a Commercial card). The ACS did not provide any further details in the response.
ENROLLMENT_STATUS_UNDETERMINED_NO_ERROR_DETAILS
The Issuer's ACS was not able to process the request to check enrollment or the card is ineligible (e.g. it is a Commercial card). The ACS did not provide any further details in the response.
ERROR_COMMUNICATING_WITH_DIRECTORY_SERVER
An error communicating with the Directory Server was encountered.
ERROR_PARSING_AUTHENTICATION_RESPONSE
Error parsing Payer Authentication Response (PARes) received from the ACS.
ERROR_PARSING_CHECK_ENROLLMENT_REQUEST
Occurs when the request is incorrectly formatted. For example, the Merchant Id is longer than maximum allowed. Will generally only occur as a result of a defect in PS.
ERROR_PARSING_CHECK_ENROLLMENT_RESPONSE
Error parsing Verify Enrollment Response (VERes) received from the ACS.
INVALID_DIRECTORY_SERVER_CREDENTIALS
Merchant ID and Password failed authentication with the Directory Server (Contact Support to rectify)
INVALID_SIGNATURE_ON_AUTHENTICATION_RESPONSE
Error validating signature on response received from the ACS.
MPI_PROCESSING_ERROR
Internal processing error
NOT_ENROLLED_ERROR_DETAILS_PROVIDED
Card holder is not enrolled. Error details were returned by the Directory Server.
NOT_ENROLLED_NO_ERROR_DETAILS
Card holder is not enrolled. No error details were returned by the Directory Server.

Response parameters are the same as 3DS: Retrieve 3DS Result

error   = CONDITIONAL

Information on possible error conditions that may occur while processing an operation using the API.
Fixed value

error.cause  Enumeration = CONDITIONAL

Broadly categorizes the cause of the error.
For example, errors may occur due to invalid requests or internal system failures.
Fixed value
Validation Rules
JSON type
String
Value must be a member of the following list. The values are case sensitive.
INVALID_REQUEST
The request was rejected because it did not conform to the API protocol.
REQUEST_REJECTED
The request was rejected due to security reasons such as firewall rules, expired certificate, etc.
SERVER_BUSY
The server did not have enough resources to process the request at the moment.
SERVER_FAILED
There was an internal system failure.

error.explanation  String = CONDITIONAL

Textual description of the error based on the cause.
This field is returned only if the cause is INVALID_REQUEST or SERVER_BUSY.
Fixed value
Validation Rules
Data can consist of any characters
JSON type
String
minimum length
1
maximum length
1000

error.field  String = CONDITIONAL

Indicates the name of the field that failed validation.
This field is returned only if the cause is INVALID_REQUEST and a field level validation error was encountered.
Fixed value
Validation Rules
Data can consist of any characters
JSON type
String
minimum length
1
maximum length
100

error.supportCode  String = CONDITIONAL

Indicates the code that helps the support team to quickly identify the exact cause of the error.
This field is returned only if the cause is SERVER_FAILED or REQUEST_REJECTED.
Fixed value
Validation Rules
Data can consist of any characters
JSON type
String
minimum length
1
maximum length
100

error.validationType  Enumeration = CONDITIONAL

Indicates the type of field validation error.
This field is returned only if the cause is INVALID_REQUEST and a field level validation error was encountered.
Fixed value
Validation Rules
JSON type
String
Value must be a member of the following list. The values are case sensitive.
INVALID
The request contained a field with a value that did not pass validation.
MISSING
The request was missing a mandatory field.
UNSUPPORTED
The request contained a field that is unsupported.

result  Enumeration = CONDITIONAL

A system-generated high level overall result of the operation.
Fixed value
Validation Rules
JSON type
String
Value must be a member of the following list. The values are case sensitive.
ERROR
The operation resulted in an error and hence cannot be processed.

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