ErrorsAll codes
NUMBER_EMPTY
Number cannot be empty
Category: Customers
Example response
When this error occurs, the API returns a JSON response with the following shape:
{
"type": "https://docs.beel.es/errors/NUMBER_EMPTY",
"title": "NUMBER_EMPTY",
"detail": "Number cannot be empty",
"instance": "/v1/<resource>",
"errors": [],
"success": false,
"error": {
"code": "NUMBER_EMPTY",
"message": "Number cannot be empty",
"details": {}
},
"meta": {
"timestamp": "2026-05-21T10:00:00Z",
"request_id": "4bf92f3577b34da6a3ce929d0e0e4736"
}
}The type URI is stable and always resolves to this page.
Message
Number cannot be empty
El número no puede estar vacío
El número no pot estar buit
Send the request with Accept-Language: <es|en|ca> to receive the message in your preferred language.
Other errors in this category
ALTERNATIVE_ID_INVALID
The alternative identifier is not valid
ALTERNATIVE_ID_INVALID
Type NOT_REGISTERED (07) is only valid for Spain; received country: ''{0}''
ALTERNATIVE_ID_INVALID
For customers with country ES only types PASSPORT (03) or NOT_REGISTERED (07) are allowed
CITY_EMPTY
City cannot be empty
CITY_MAX_LENGTH
City cannot exceed {0} characters