PHP SDK

composer require billions-works/sdk-php

<?php

require 'vendor/autoload.php';

use Billions\BillionsApi;

$api = new BillionsApi($_ENV['BILLIONS_API_KEY']);

$api = new BillionsApi(
    apiKey: $_ENV['BILLIONS_API_KEY'],
    baseUrl: 'https://api.billions.works',
    version: 'v1',
    httpClient: $customGuzzleClient,
);

$api->getVersion();
$api->getCurrencies();
$api->getMerchantInfo();
$api->estimateFees($payload);
$api->createInvoice($payload);
$api->getInvoice($invoiceId);
$api->getInvoicesByOrderNo($orderNo);
$api->verifyInvoicePaid($invoiceId, $callbackData);
$api->verifyInvoicePaid($callbackDataWithId);