version-unknown

A problem type of the ckrets.ai API, answered with 400. The answer is application/problem+json (RFC 9457) with type https://ckrets.ai/problems/version-unknown, title, status, detail and requestId. Branch on type, never on title.

#400: fix the request

The Ckrets-Version header names a date this server does not serve; supported (and detail) list the dates it does. Send one of them, or no header for the original contract.

#More

• Every type, grouped by what to do: error types.
• The retry rules and headers: limits.
• This page for agents, as Markdown: /problems/version-unknown.md.