Create an invoice

import { BillionsApi } from '@billions-works/sdk-ts';

const api = new BillionsApi({
  apiKey: process.env.BILLIONS_API_KEY!,
});

const invoice = await api.createInvoice({
  currency: 'USDT',
  amount: 100,
  order_no: 'ORDER-1001',
  idempotencyKey: 'ORDER-1001-attempt-1',
  callbackUrl: 'https://example.com/webhooks/billions',
});

console.log(invoice.id);
console.log(invoice.invoice_url);

<?php

require 'vendor/autoload.php';

use Billions\BillionsApi;

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

$invoice = $api->createInvoice([
    'currency' => 'USDT',
    'amount' => 100,
    'order_no' => 'ORDER-1001',
    'idempotencyKey' => 'ORDER-1001-attempt-1',
    'callbackUrl' => 'https://example.com/webhooks/billions',
]);

echo $invoice['id'] . PHP_EOL;
echo $invoice['invoice_url'] . PHP_EOL;

curl --request POST \
  --url https://api.billions.works/public/v1/invoices/create \
  --header "Content-Type: application/json" \
  --header "x-api-key: $BILLIONS_API_KEY" \
  --data '{
    "currency": "USDT",
    "amount": 100,
    "order_no": "ORDER-1001",
    "idempotencyKey": "ORDER-1001-attempt-1",
    "callbackUrl": "https://example.com/webhooks/billions"
  }'