Authentication

curl "https://fortpesa.co.ke/api/v1/wallet/balance" \
  -H "Authorization: Bearer pb_live_YOUR_KEY"

const res = await fetch("https://fortpesa.co.ke/api/v1/wallet/balance", {
  headers: { Authorization: "Bearer pb_live_YOUR_KEY" },
  // or: "X-API-Key": "pb_live_YOUR_KEY"
});
const { data } = await res.json();

import requests

res = requests.get(
    "https://fortpesa.co.ke/api/v1/wallet/balance",
    headers={"Authorization": "Bearer pb_live_YOUR_KEY"},
    timeout=30,
)

use GuzzleHttp\Client;

$client = new Client();
$res = $client->get('https://fortpesa.co.ke/api/v1/wallet/balance', [
    'headers' => ['Authorization' => 'Bearer pb_live_YOUR_KEY'],
]);