Rate limits

{
  "message": "Rate limit of 300 requests per minute exceeded. Retry in 12s.",
  "error": "Too Many Requests",
  "statusCode": 429,
  "request_id": "0f6d3c52-9f3e-4c1a-a4b8-2b1f7e5d9c10"
}

const sleep = (seconds) => new Promise((resolve) => setTimeout(resolve, seconds * 1000));

async function salesfinity(path, init = {}) {
  for (let attempt = 0; attempt < 5; attempt++) {
    const res = await fetch(`https://client-api.salesfinity.co${path}`, {
      ...init,
      headers: { "x-api-key": process.env.SALESFINITY_API_KEY, ...init.headers },
    });

    if (res.status === 429) {
      await sleep(Number(res.headers.get("Retry-After") ?? 1));
      continue;
    }

    if (res.headers.get("X-RateLimit-Remaining") === "0") {
      await sleep(Number(res.headers.get("X-RateLimit-Reset") ?? 1));
    }
    return res;
  }
  throw new Error("Still rate limited after 5 attempts");
}