Client access link.

Request validation failed or malformed JSON.

Authentication failed. Access token is missing, invalid, or expired.

The calling account does not meet the balance or test quota requirements. The request was rejected before the operation was processed.
Applies to Individual, AML, and Client Access Links, including read-only queries and Reusable KYC preview.

This response does not mean that the requested operation incurred a charge.

The calling account is not authorized for the service (permission_error).

Requested resource does not exist.

Rate limit exceeded. Handle this condition by HTTP status 429.
A response can use rate_limit_error or another rate-limit type.
The example is not an exhaustive list of rate-limit types.
Honor Retry-After when provided. If it is absent or unusable, reduce request concurrency
and use bounded exponential backoff with jitter. Follow the operation's retry rules before replaying a write.

Unexpected server error.