const API_KEY = 'gapi_xxxxxxxxxxxxxxxxxxxxx';
const BASE = 'https://gapi.qb2.ru/api/v1';

// Разбиваем свой список на пачки по 1000 и собираем цены по всем регионам.
async function fetchPrices(ids) {
  const result = new Map();

  for (let i = 0; i < ids.length; i += 1000) {
    const chunk = ids.slice(i, i + 1000);

    const response = await fetch(`${BASE}/catalog/prices`, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${API_KEY}`,
        'content-type': 'application/json',
      },
      body: JSON.stringify({ ids: chunk }),
    });

    if (response.status === 429) {
      // Лимит: ждём до resetAt из заголовка и повторяем пачку.
      const resetAt = Date.parse(response.headers.get('X-RateLimit-Reset-Minute'));
      await new Promise((resolve) => setTimeout(resolve, Math.max(resetAt - Date.now(), 1000)));
      i -= 1000;
      continue;
    }

    const payload = await response.json();
    for (const item of payload.data.items) {
      result.set(item.id, item.regions);
    }
    if (payload.data.notFound.length) {
      console.warn('не найдены:', payload.data.notFound);
    }
  }

  return result;
}

const prices = await fetchPrices(['QERI8VMT', '18C11IFX', 'diablo-iv']);
const ragnarok = prices.get('QERI8VMT');

console.log(ragnarok.UA.current / 100, ragnarok.UA.currency); // 2599 UAH
console.log(ragnarok.TR.currentText);                          // ₺3.849

import requests

API_KEY = 'gapi_xxxxxxxxxxxxxxxxxxxxx'
BASE = 'https://gapi.qb2.ru/api/v1'


def fetch_prices(ids, regions=None, include=None):
    prices = {}

    for start in range(0, len(ids), 1000):
        chunk = ids[start:start + 1000]
        payload = {'ids': chunk}
        if regions:
            payload['regions'] = regions
        if include:
            payload['include'] = include

        response = requests.post(
            f'{BASE}/catalog/prices',
            headers={'Authorization': f'Bearer {API_KEY}'},
            json=payload,
            timeout=60,
        )
        response.raise_for_status()
        body = response.json()

        for item in body['data']['items']:
            prices[item['id']] = item

    return prices


prices = fetch_prices(['QERI8VMT', 'diablo-iv'], regions='UA,TR,PL,IN')

for game_id, item in prices.items():
    cheapest = item['cheapest']
    print(game_id, item['title'])
    for code, price in item['regions'].items():
        print(f"  {code}: {price['currentText']} (~${price['usd']})")
    if cheapest:
        print(f"  дешевле всего в {cheapest['region']}: {cheapest['text']}")

<?php
$apiKey = 'gapi_xxxxxxxxxxxxxxxxxxxxx';
$ids = ['QERI8VMT', '18C11IFX', 'diablo-iv'];

$ch = curl_init('https://gapi.qb2.ru/api/v1/catalog/prices');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . $apiKey,
        'content-type: application/json',
    ],
    CURLOPT_POSTFIELDS => json_encode([
        'ids' => $ids,
        'regions' => 'UA,TR,PL,IN',
    ]),
]);

$response = json_decode(curl_exec($ch), true);
curl_close($ch);

foreach ($response['data']['items'] as $item) {
    $ua = $item['regions']['UA'] ?? $item['regions']['UKR'] ?? null;
    printf("%s — %s\n", $item['title'], $ua['currentText'] ?? 'нет цены');
}