curl --request POST \
  --url https://mercy-pay.com/api/v1/refunds/{id}/cancel \
  --header 'Authorization: Bearer <token>'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://mercy-pay.com/api/v1/refunds/{id}/cancel",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://mercy-pay.com/api/v1/refunds/{id}/cancel', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://mercy-pay.com/api/v1/refunds/{id}/cancel"

headers = {"Authorization": "Bearer <token>"}

response = requests.post(url, headers=headers)

print(response.text)

{
  "data": {
    "id": "re_5b2c9e4a1f7d4c3e8a6b0d2f9e1c7a35",
    "object": "refund",
    "livemode": false,
    "created": "2026-11-13T09:12:00+00:00",
    "payment": "pay_0b76919140c74c4c99d52f5c1734b743",
    "amount": 10000,
    "fee_amount": 100,
    "currency": "XAF",
    "status": "processing",
    "status_detail": null,
    "origin": "api",
    "reason": "Commande annulée",
    "failure_code": null,
    "failure_reason": null,
    "succeeded_at": null
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "api_key_invalid",
    "message": "Clé API invalide.",
    "param": null,
    "doc_url": "https://docs.mercy-pay.com/developers/errors#api_key_invalid",
    "request_id": "req_01jc8x4m2v7t9qk3n5w6y8z0ab"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "resource_not_found",
    "message": "Ressource introuvable.",
    "param": null,
    "doc_url": "https://docs.mercy-pay.com/developers/errors#resource_not_found",
    "request_id": "req_01jc8x4m2v7t9qk3n5w6y8z0ab"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Trop de requêtes.",
    "param": null,
    "doc_url": "https://docs.mercy-pay.com/developers/errors#rate_limited",
    "request_id": "req_01jc8x4m2v7t9qk3n5w6y8z0ab"
  }
}