malformed_pinned_version
400 not retryable platform: version
this API key's pinned version is not a YYYY-MM-DD date; send Trade-HQ-Version, or re-pin the key to a supported version (the current version is 2026-10-01)
this API key's pinned version is not a YYYY-MM-DD date; send Trade-HQ-Version, or re-pin the key to a supported version (the current version is 2026-10-01)