Create Session
Request to create a payment session. A payment session can be used to temporarily store any of the request fields of operations that allow a session identifier as a request field.
The request fields stored in the session may then be used in these operations by providing the session identifier. They may be updated and obtained using the Update Session and Retrieve Session operation respectively.Authentication Copied to clipboard
This operation requires authentication via one of the following methods:
- Certificate authentication.
-
To authenticate to the API two additional NVP parameters must be supplied in the request.
Provide 'merchant.
<your gateway merchant ID>' in the apiUsername field and your API password in the apiPassword field.
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String
= CREATE_SESSION
FIXED
Any sequence of zero or more unicode characters.
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.
Data can consist of any characters
Alphanumeric + additional characters
REQUIRED
The unique identifier issued to you by your payment provider.
This identifier can be up to 12 characters in length.
Data may consist of the characters 0-9, a-z, A-Z, '-', '_'
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String
CONDITIONAL
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.
Data can consist of any characters
Alphanumeric + additional characters
ALWAYS PROVIDED
The unique identifier issued to you by your payment provider.
This identifier can be up to 12 characters in length.
Data may consist of the characters 0-9, a-z, A-Z, '-', '_'
Enumeration
ALWAYS PROVIDED
A system-generated high level overall result of the transaction/operation.
Value must be a member of the following list. The values are case sensitive.
FAILURE
The operation was declined or rejected by the gateway, acquirer or issuer
PENDING
The operation is currently in progress or pending processing
SUCCESS
The operation was successfully processed
UNKNOWN
The result of the operation is unknown
ASCII Text
ALWAYS PROVIDED
The identifier for the payment session.
You can add request fields to the session using a Hosted Payment Form or wallet provider interaction, or the Update Session operation.
Data consists of ASCII characters
Enumeration
ALWAYS PROVIDED
A summary of the outcome of the last attempt to modify the session.
In order to perform an operation using this session this value must be SUCCESS.
Value must be a member of the following list. The values are case sensitive.
FAILURE
The last attempt to place data into the session was unsuccessful. The session may contain invalid data. A request operation using this session will be rejected by the payment gateway.
NO_UPDATE
No attempt has been made to place data into the session. A request operation using this session will be rejected by the payment gateway.
SUCCESS
The last attempt to update the session was successful. You may submit a request operation using this session.
ASCII Text
ALWAYS PROVIDED
Use this field to implement optimistic locking of the session content.
Do this if you make business decisions based on data from the session and wish to ensure that the same data is being used for the request operation.
To use optimistic locking, record session.version when you make your decisions, and then pass that value in session.version when you submit your request operation to the gateway.
See Making Business Decisions Based on Session Content.
Data consists of ASCII characters
Errors Copied to clipboard
Information on possible error conditions that may occur while processing an operation using the API.
Enumeration
Broadly categorizes the cause of the error.
For example, errors may occur due to invalid requests or internal system failures.
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.
String
Textual description of the error based on the cause.
This field is returned only if the cause is INVALID_REQUEST or SERVER_BUSY.
Data can consist of any characters
String
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.
Data can consist of any characters
String
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.
Data can consist of any characters
Enumeration
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.
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.
Enumeration
A system-generated high level overall result of the operation.
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.