curl --request POST \
  --url https://merchant.bitliva.com/api/v1/customers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reference": "<string>",
  "first_name": "<string>",
  "last_name": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({reference: '<string>', first_name: '<string>', last_name: '<string>'})
};

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

import requests

url = "https://merchant.bitliva.com/api/v1/customers"

payload = {
    "reference": "<string>",
    "first_name": "<string>",
    "last_name": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://merchant.bitliva.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 => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'reference' => '<string>',
    'first_name' => '<string>',
    'last_name' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

{
  "status": "success",
  "message": "Customer created successfully.",
  "data": {
    "customer": {
      "id": "2f6d1c0a-8a3e-4d59-b8a1-71e0c4d5f9a3",
      "reference": "user_1042",
      "first_name": "Ada",
      "last_name": "Obi",
      "created_at": "2026-10-18T09:00:00+01:00"
    }
  }
}

{
  "status": "error",
  "message": "Invalid or missing API key.",
  "code": "invalid_api_key"
}

{
  "status": "error",
  "message": "Invalid or missing API key.",
  "code": "invalid_api_key"
}

{
  "status": "error",
  "message": "Invalid or missing API key.",
  "code": "invalid_api_key"
}

{
  "status": "error",
  "message": "Invalid or missing API key.",
  "code": "invalid_api_key"
}

{
  "status": "error",
  "message": "Invalid or missing API key.",
  "code": "invalid_api_key"
}