Get tax validation results

GET 
/invoices/:code/tax-validation

Retrieve the §14 UStG validation results for an invoice with extracted fields metadata. Returns validation results along with pre-extracted field data including AI confidence scores, PO comparisons, and missing field counts.

Request

Responses

200

Tax validation result with extracted fields

401

Unauthorized

403

Forbidden - no access to this invoice

404

Invoice not found

429

Too many requests - rate limited by the API firewall; wait out the Retry-After delay before retrying

Response Headers

Retry-After

Delay in seconds a client must wait before retrying the request