How to Use the Cl@ve Identification System

The Cl@ve identification system is a fundamental tool in Spain for securely accessing electronic services provided by public administrations. This system allows citizens to identify themselves and electronically sign documents, thus facilitating the completion of administrative procedures online. Below, we explain how to effectively use this system.

What is Cl@ve?

Cl@ve is an identification and electronic signature system that enables citizens to access online services from various public entities. Its aim is to simplify administrative procedures while ensuring the security and protection of personal data.

Types of Cl@ve

There are three modalities within the Cl@ve system:

Cl@ve PIN: A temporary system that generates a unique access code for each use.
Cl@ve Permanent: An access system using a username and password that can be used continuously.
Cl@ve Signature: Allows for secure electronic signing of documents.

How to Register for Cl@ve?

The first step to using Cl@ve is to register. Below are the steps to carry out this process:

Access the Cl@ve website: Go to the official Cl@ve page (https://clave.gob.es).
Select the registration method: You can register using your electronic ID, a digital certificate, or by using the “Cl@ve PIN Registration” option.
Complete the registration form: Provide the requested information, such as your name, surname, and identification number (DNI, NIE, or passport).
Receive the activation code: If you choose Cl@ve PIN, you will receive a code via SMS or email.
Activate your Cl@ve: Follow the instructions to activate your account.

How to Use Cl@ve for Administrative Procedures?

Once registered in the Cl@ve system, you can use it to carry out various online procedures. Here’s how to proceed:

Access the desired platform: Go to the public administration website where you wish to perform the procedure.
Select Cl@ve as your identification method: When logging in, choose the option for identification through Cl@ve.
Enter your credentials: Depending on the type of Cl@ve you have chosen, you will need to enter your PIN or your username and password.
Complete the procedure: Once identified, you will be able to carry out the procedure you wish, such as making appointments, submitting documents, or consulting information.

Tips for Using Cl@ve

Keep your information updated: Ensure that your mobile number or email address is up to date to receive access codes.
Store your Permanent Cl@ve in a safe place: If you choose this method, it is important to protect your credentials.
Use secure devices: Conduct your procedures on trusted devices and avoid public Wi-Fi networks.

The Cl@ve system is a tool that facilitates the relationship between citizens and public administration, making procedures more accessible and secure.

Written by:
Javier Dominguez
Immigration Law Expert
Publication date: August 13, 2025