Verify a registered BLIK Recurring Payments alias

Use Retrieve additional transaction data to check the alias associated with a transaction:

The endpoint returns HTTP 200 with additional transaction data.

Example request and responses

Request

<?php

$shopId = ""; // Payment Point ID
$secretPhrase = ""; // Payment Point Secret
$mainUrl = "https://pay.cashbill.pl/ws/rest";
$orderId = ""; // ID of the transaction associated with the alias

$sign = sha1($orderId . $secretPhrase);
$url = $mainUrl . "/additionaldata/" . rawurlencode($shopId)
    . "/" . rawurlencode($orderId)
    . "?" . http_build_query(["sign" => $sign]);

$ch = curl_init();
curl_setopt_array($ch, [
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ["Accept: application/json"]
]);

$response = json_decode(curl_exec($ch));
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

if ($httpCode != 200) {
    echo "Error: " . $response->errorMessage;
} else {
    echo json_encode($response, JSON_PRETTY_PRINT);
}

Response (Success)

{
    "alias": {
        "scope": {
            "acqId": 7517,
            "merchId": "string"
        },
        "value": "string",
        "valueType": "string",
        "usage": "string"
    },
    "paramAliasList": {
        "paramAlias": [
            {
                "key": "string",
                "value": "string"
            }
        ]
    }
}

Response (Alias Not Found)

{
    "errorMessage": "Blik error: [ER_ALIAS_NOT_FOUND] The alias was not found for the given parameters"
}

If the alias is not found, the error response contains errorMessage as shown above.