Clients - Protected

Check NIF duplicate

Check if a NIF (Portuguese or foreign) is already linked to a client in the same company. Matches against both Cliente.NIF and Cliente.foreign_NIF.

get/api/clients/check-nif

Query parameters

nifstring required

NIF (Portuguese 9-digit or foreign alphanumeric) to check

NIF (Portuguese 9-digit or foreign alphanumeric) to check

exclude_idinteger nullable

Client ID to exclude (for updates)

Client ID to exclude (for updates)

Headers

x-api-tokenstring nullable

Response

Successful Response

existsboolean required
client_idinteger nullable
client_namestring nullable
is_foreignboolean

Changes

No recorded changes to this endpoint across all 1 revision of this API.