api_auth_unavailable

API authentication is temporarily unavailable.

What it means: The key could not be checked because the authentication store did not answer. This is not a judgement on the key.
What to do: Retry later with the same key.
Retry: Retry later; the request was sound. Every 503 carries Retry-After with the minimum wait.
Who changes what: Veridion. The request was sound; something on our side did not answer within its budget or failed a check. The API returned nothing rather than something partial.
On the wire: Content-Type: application/problem+json
{"type":"https://www.veridionmarkets.com/data-api/problems/api_auth_unavailable","code":"api_auth_unavailable","status":503,…,"request_id":"…"}

Documented for version 1.3.5. The request_id in the body equals the X-Request-ID header; quote it to support@veridionmarkets.com. All problems · API page