unsupported_api_version
The `Factuarea-Version` header is well formed but names a version outside the supported set.
| Code | Type | HTTP | Category |
|---|---|---|---|
unsupported_api_version | invalid_request_error | 400 | Request |
Cause
The Factuarea-Version header is well formed but names a version outside the supported set.
What to do
Send one of the supported version dates, or omit the header to use the version pinned to your API key.