ErrorsAll codes
INVALID_IVA_SURCHARGE_PAIR
Surcharge {0}% is not valid for VAT {1}%. Allowed pairs: 21↔5.2, 10↔1.4, 4↔0.5
Category: Invoices
Example response
When this error occurs, the API returns a JSON response with the following shape:
{
"type": "https://docs.beel.es/errors/INVALID_IVA_SURCHARGE_PAIR",
"title": "INVALID_IVA_SURCHARGE_PAIR",
"detail": "Surcharge {0}% is not valid for VAT {1}%. Allowed pairs: 21↔5.2, 10↔1.4, 4↔0.5",
"instance": "/v1/<resource>",
"errors": [],
"success": false,
"error": {
"code": "INVALID_IVA_SURCHARGE_PAIR",
"message": "Surcharge {0}% is not valid for VAT {1}%. Allowed pairs: 21↔5.2, 10↔1.4, 4↔0.5",
"details": {}
},
"meta": {
"timestamp": "2026-05-21T10:00:00Z",
"request_id": "4bf92f3577b34da6a3ce929d0e0e4736"
}
}The type URI is stable and always resolves to this page.
Message
Surcharge {0}% is not valid for VAT {1}%. Allowed pairs: 21↔5.2, 10↔1.4, 4↔0.5
El recargo {0}% no es válido para el IVA {1}%. Combinaciones permitidas: 21↔5.2, 10↔1.4, 4↔0.5
El recàrrec {0}% no és vàlid per a l''IVA {1}%. Combinacions permeses: 21↔5.2, 10↔1.4, 4↔0.5
Send the request with Accept-Language: <es|en|ca> to receive the message in your preferred language.
Tokens like
{0}are runtime arguments — the backend fills them with actual values before responding.
Other errors in this category
BULK_PDF_ERROR
Error processing bulk PDF download
CANCELLATION_VIA_SPECIFIC_ENDPOINT
To cancel an invoice use the specific cancellation endpoint
CANNOT_DUPLICATE_DELETED_INVOICE
Cannot duplicate a deleted invoice
CLIENT_NOT_FOUND
Customer not found: {0}
DELETION_FAILED
Error deleting the invoice