Rate Limits

import time
from datetime import datetime, timezone

def call_with_retry(fn, max_retries=3):
    for attempt in range(max_retries):
        resp = fn()
        if resp.status_code != 429:
            return resp

        reset = resp.headers.get("X-RateLimit-Reset")
        if not reset:
            time.sleep(60)
            continue

        reset_ts = datetime.fromisoformat(reset).timestamp()
        wait = max(0, reset_ts - time.time())

        # Don't wait more than an hour — surface the error instead
        if wait > 3600:
            raise RuntimeError(f"Rate limited until {reset}")

        time.sleep(wait + 1)
    raise RuntimeError("Max retries exceeded")

async function callWithRetry(fn, maxRetries = 3) {
  for (let i = 0; i < maxRetries; i++) {
    const resp = await fn();
    if (resp.status !== 429) return resp;

    const reset = resp.headers.get("X-RateLimit-Reset");
    if (!reset) {
      await new Promise(r => setTimeout(r, 60_000));
      continue;
    }

    const waitMs = new Date(reset).getTime() - Date.now() + 1000;
    if (waitMs > 3_600_000) {
      throw new Error(`Rate limited until ${reset}`);
    }
    await new Promise(r => setTimeout(r, Math.max(0, waitMs)));
  }
  throw new Error("Max retries exceeded");
}