Your users. Your app. Nigeria's bill payments.

// Node.js server: list products before creating an order.
const response = await fetch(
  'https://my.rizpay.app/api/partners/sandbox/v1/products/airtimes?network=MTN',
  { headers: { Authorization: `Bearer ${process.env.RIZPAY_API_KEY}` },
    signal: AbortSignal.timeout(20000), redirect: 'error' }
);
if (!response.ok) throw new Error('Check API access and try again.');
const catalogue = await response.json();
// Select an ID from catalogue.data. Keep your key on the server.

# Python server. Use the complete guide for purchase recovery.
import os
import requests

response = requests.get(
    'https://my.rizpay.app/api/partners/sandbox/v1/products/airtimes',
    params={'network': 'MTN'},
    headers={'Authorization': 'Bearer ' + os.environ['RIZPAY_API_KEY']},
    timeout=20,
    allow_redirects=False,
)
if response.status_code != 200:
    raise RuntimeError('Check API access and try again.')
catalogue = response.json()
# Select an ID from catalogue['data'].

<?php
// PHP server. RIZPAY_API_KEY must be a sandbox key.
$ch = curl_init('https://my.rizpay.app/api/partners/sandbox/v1/products/airtimes?network=MTN');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_FOLLOWLOCATION => false,
    CURLOPT_TIMEOUT => 20,
    CURLOPT_HTTPHEADER => ['Authorization: Bearer ' . getenv('RIZPAY_API_KEY')],
]);
$raw = curl_exec($ch);
$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($raw === false || $status !== 200) {
    throw new RuntimeException('Check API access and try again.');
}
$catalogue = json_decode($raw, true, 512, JSON_THROW_ON_ERROR);

# Ruby server. Keep the key in secret configuration.
require 'net/http'
require 'json'
uri = URI('https://my.rizpay.app/api/partners/sandbox/v1/products/airtimes?network=MTN')
request = Net::HTTP::Get.new(uri)
request['Authorization'] = "Bearer #{ENV.fetch('RIZPAY_API_KEY')}"
response = Net::HTTP.start(uri.host, uri.port, use_ssl: true,
                          open_timeout: 5, read_timeout: 20) do |http|
  http.request(request)
end
raise 'Check API access and try again.' unless response.is_a?(Net::HTTPSuccess)
catalogue = JSON.parse(response.body)
# Select an ID from catalogue['data'].

# Reads the catalogue. No purchase or real charge.
curl --fail-with-body --silent --show-error --max-time 20 \
  -H "Authorization: Bearer ${RIZPAY_API_KEY:?Set a sandbox key}" \
  "https://my.rizpay.app/api/partners/sandbox/v1/products/airtimes?network=MTN"