Migrating from API v1 to v2

<?php
function submit_with_retry(array $urls, string $idempotencyKey): array
{
    for ($attempt = 1; $attempt <= 5; $attempt++) {
        $ch = curl_init('https://crawlme.net/api/v2/submissions');
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_POST           => true,
            CURLOPT_HTTPHEADER     => [
                'Authorization: Bearer YOUR_API_KEY',
                'Idempotency-Key: ' . $idempotencyKey,
                'Content-Type: application/json',
            ],
            CURLOPT_POSTFIELDS     => json_encode(['urls' => $urls]),
            CURLOPT_TIMEOUT        => 30,
        ]);
        $raw = curl_exec($ch);
        $status = curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
        curl_close($ch);

        if ($raw === false || $status >= 500) {
            sleep(2 ** $attempt); // network error or server error: retry, same key
            continue;
        }
        $body = json_decode($raw, true);
        if ($status === 429) {
            sleep(5); // Retry-After header carries the exact wait
            continue;
        }
        return $body; // 201 created, 200 replayed, or a 4xx you should not retry
    }
    throw new RuntimeException('Gave up after 5 attempts');
}

import time, uuid, requests

def submit_with_retry(urls, idempotency_key=None):
    idempotency_key = idempotency_key or str(uuid.uuid4())
    for attempt in range(1, 6):
        try:
            r = requests.post(
                "https://crawlme.net/api/v2/submissions",
                headers={"Authorization": "Bearer YOUR_API_KEY", "Idempotency-Key": idempotency_key},
                json={"urls": urls},
                timeout=30,
            )
        except requests.RequestException:
            time.sleep(2 ** attempt)  # network error: retry with the same key
            continue
        if r.status_code == 429:
            time.sleep(int(r.headers.get("Retry-After", "5")))
            continue
        if r.status_code >= 500:
            time.sleep(2 ** attempt)
            continue
        return r.json()  # 201 created, 200 replayed, or a 4xx you should not retry
    raise RuntimeError("Gave up after 5 attempts")

async function submitWithRetry(urls, idempotencyKey = crypto.randomUUID()) {
  for (let attempt = 1; attempt <= 5; attempt++) {
    let response;
    try {
      response = await fetch("https://crawlme.net/api/v2/submissions", {
        method: "POST",
        headers: {
          "Authorization": "Bearer YOUR_API_KEY",
          "Idempotency-Key": idempotencyKey,
          "Content-Type": "application/json",
        },
        body: JSON.stringify({ urls }),
      });
    } catch (networkError) {
      await new Promise(r => setTimeout(r, 2 ** attempt * 1000)); // retry, same key
      continue;
    }
    if (response.status === 429) {
      const wait = Number(response.headers.get("Retry-After") || 5);
      await new Promise(r => setTimeout(r, wait * 1000));
      continue;
    }
    if (response.status >= 500) {
      await new Promise(r => setTimeout(r, 2 ** attempt * 1000));
      continue;
    }
    return response.json(); // 201 created, 200 replayed, or a 4xx you should not retry
  }
  throw new Error("Gave up after 5 attempts");
}