curl --request GET \
  --url https://mercy-pay.com/api/v1/customers \
  --header 'Authorization: Bearer <token>'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://mercy-pay.com/api/v1/customers",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  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: 'GET', headers: {Authorization: 'Bearer <token>'}};

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

import requests

url = "https://mercy-pay.com/api/v1/customers"

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

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

print(response.text)

{
  "object": "list",
  "url": "/api/v1/customers",
  "has_more": false,
  "next_cursor": null,
  "data": [
    {
      "id": "cus_c71d0e5a3b2f4e8a9c1d5f6a7b8c9d01",
      "object": "customer",
      "livemode": false,
      "created": "2026-11-07T10:00:00+00:00",
      "email": "awa@example.com",
      "name": "Awa Ndiaye",
      "metadata": null,
      "default_payment_method": "pm_8e2f1a7c5d4b4c3e9a1f0b6d2e8c4a15",
      "subscriptions_count": 2
    }
  ]
}

{
  "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": "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"
  }
}