Error reference

{
  "error": {
    "type": "invalid_request_error",
    "code": "offer_unavailable",
    "message": "This offer cannot be rented right now — it has no free capacity at this size, or it was withdrawn.",
    "doc_url": "https://docs.gpuoutlet.ai/api/errors#offer_unavailable",
    "request_id": "req_a71c3e9048bd"
  }
}

import random, time

RETRYABLE_TYPES = {"rate_limit_error", "api_error"}

def call_with_retry(fn, attempts=5):
    for i in range(attempts):
        resp = fn()
        if resp.ok:
            return resp

        err = resp.json().get("error", {})
        if err.get("type") not in RETRYABLE_TYPES:
            # 400/401/403/404/409/402 — retrying changes nothing.
            raise ApiError(err)

        # Honour the server's own number when it gives us one.
        wait = err.get("retry_after_seconds") or int(resp.headers.get("Retry-After", 0))
        time.sleep(wait or min(2 ** i, 30) + random.random())

    raise ApiError(err)