1. Check

This service allows you to check whether a piece of information is on the blacklist. With this service, you can control your internal processes such as before payment initiation or before user registr

Check

GET {{Base Address}}/api/v1/fraud/blacklist/check?entryType=1&[email protected]

It is sufficient to send a request to the address provided above. You can use the Base Address as needed for both the test environment and the live environment.

Important: To use the Fraud – Blacklist – Check service, you must include the apikeyprivate and apiclientprivate parameters in the Header. FraudAPI Address

The header information to be sent to the service is as follows:

Parameter	Type	Compolsory	Description
apikeyprivate	string	Yes	The Private Key obtained from the merchant panel.
apiclientprivate	string	Yes	The Private Client obtained from the merchant panel.

Response returned from the service:

Parameter	Type	Description
Body	object	JSON containing detailed balance information (optional)
ErrorCode	int	Error code. Returns '0' if the operation is successful
Result	bool	Error code. Returns '0' if aReturns true or false. If the operation is successful, it returns true operation is successful
Message	string	If the operation fails, it returns the relevant error message and provides language support based on the locale parameter

JSOB

{
    "Value": {
        "Id": "550b5305-2a56-4577-bb2c-dbce55f6cc2a",
        "MerchantId": 2071,
        "EntryType": 1,
        "Value": "stringst****ring",
        "Reason": "string",
        "ExpiresAt": null,
        "IsPermanent": true,
        "CreatedAt": "2026-02-22T16:45:26.6801206Z",
        "IsActive": true
    },
    "IsFailure": false,
    "IsSuccess": true,
    "Error": null
}