Problems·HTTP 403
live-key-required
A test key cannot do this.
What it means
Test keys can validate, convert and look up, but they cannot manage keys or billing.
What to do
Use a live key for this operation.
Example
Sent as application/problem+json (RFC 9457). Branch on type, which is stable. Never branch on title or detail, which are prose and may change.
{ "type": "https://www.einvoicing.dev/problems/live-key-required", "title": "A test key cannot do this.", "status": 403, "detail": "…"}All problem types
Every error the API can return, with what to do about each.
API reference
Every operation, its parameters and the errors it can answer with.