Error Codes

Invalid request body, empty query, or illegal values for tag / zone / format.

Extract tool: url is missing, scheme is not http/https, URL parsing failed, or host is missing.

API key does not exist, is disabled, or is not bound to an account.

Authorization header format is invalid (not Bearer xxx).

Anonymous IP daily free quota exhausted; the response includes auto-registered account credentials (username / password / api_key) that can be used immediately.

Paid quota for the API key or account exhausted for the current billing period; data contains quota_limit / quota_used / quota_remaining.

Registered user's daily free quota exhausted and no paid plan purchased; resets next day or purchase a plan.

API key has expired.

The requested private capability is not enabled for this API key; contact support to activate.

Account associated with the API key is disabled.

Extract target response Content-Type is not text/html.

Account-level aggregate rate limit hit (all keys under the same account are counted together).

Per-key or per-IP rate limit hit; data contains retry_after / limit / remaining / reset_at.

Internal server error, safe to retry.

Extract fetch failed: DNS / TCP / TLS / body read / HTML parsing error (non-timeout).

Extract target returned a non-2xx HTTP response.

Quota check dependency unavailable, retry after a brief back-off.

Guard evaluation dependency (KeyStore / rate limiter, etc.) returned an error, retry after a brief back-off.

The requested capability (including underlying plugin backends) is temporarily unavailable, retry with back-off.

Service temporarily unavailable, retry with back-off.

Extract fetch timed out (default 30s limit).