SIGNING_ONLY_IN_LIVE
The AEAT representation can only be signed in Live mode: the document has no test mode
Category: VeriFactu
| HTTP status | 400 Bad Request |
| Retry | After fixing the cause |
When it happens
The signed VeriFactu representation is only submitted in Live; it has no test mode.
How to fix it
Submit it with a live API key.
Retry
Not as is: the same request fails the same way. Fix the cause described above, then send the request again, under a new Idempotency-Key if the body changed.
Example response
When this error occurs, the API answers 400 Bad Request with a JSON body of this shape:
{
"type": "https://docs.beel.es/errors/SIGNING_ONLY_IN_LIVE",
"title": "SIGNING_ONLY_IN_LIVE",
"detail": "The AEAT representation can only be signed in Live mode: the document has no test mode",
"instance": "/v1/<resource>",
"errors": [],
"success": false,
"error": {
"code": "SIGNING_ONLY_IN_LIVE",
"message": "The AEAT representation can only be signed in Live mode: the document has no test mode",
"details": {}
},
"meta": {
"timestamp": "2026-05-21T10:00:00Z",
"request_id": "4bf92f3577b34da6a3ce929d0e0e4736"
}
}The type URI is stable and always resolves to this page.
Message
Send the request with Accept-Language: <es|en|ca> to receive the message in your preferred language.
Other errors in this category
ALREADY_DISABLED
VeriFactu is already disabled for this user
ALREADY_ENABLED
VeriFactu is already enabled for this user
ALREADY_REGISTERED
The NIF is already registered in VeriFactu
API_COMMUNICATION_ERROR
Error communicating with the VeriFactu API
API_KEY_NOT_CONFIGURED
The VeriFactu API key has not been configured
Keep exploring
SERVICE_UNAVAILABLE
The service is temporarily unavailable. Please try again in a few seconds.
SIMPLIFICADA_FORBIDS_CROSS_BORDER
A simplified invoice cannot document an intra-EU supply exempt under art. 25 LIVA or an operation not subject by location rules (RD 1619/2012, art. 4.4): issue a standard invoice identifying the recipient