Error catalog

Query or path parameters failed bounded validation.

Cursor signature, snapshot, filter context, or offset is invalid.

Bearer key is missing, invalid, revoked, or expired.

Key does not carry endpoint's explicit read scope.

Requested article or investor is absent from current immutable snapshot.

Account-wide minute limit reached. Retry-After identifies wait time.

UTC monthly or platform unpaid hard cap reached. Contact ECONALK for extra usage.

Control-plane or unexpected server failure. Reservation is released.

Snapshot is missing, malformed, stale, untraced, or digest-mismatched.