Change your pet's data for free

You decide which of your details are visible when an aid agency reads your pet's chip, such as your telephone number so that you can be reached immediately if your missing pet is found. Implementing changes is completely at PetBase free.

To change the details of your pet, you can search for your pet via the bar below. You do this by means of the 15-digit chip number that is linked to your pet via a registration with PetBase. After finding your pet, you can easily change all data via the 'change data' button.

Adjusting your pet's details: what you can do in your account

Account petbase

Change data for free

New owner from € 7.50 for a lifetime registration.

You are the new owner and want to register your pet. If you don't have an account at PetBase yet, you can create one via . Login at Petbase portal en klik op de knop ‘Dier toevoegen’ (links in het menu).  Vanaf € 7,50 heb je als eigenaar een levenslange dierregistratie bij PetBase en voldoe je aan alle gestelde wettelijke regels. Geen verborgen kosten of jaarabonnement en alles veilig geregistreerd. Na de betaling staat jouw huisdier gelijk op je naam. 

Bekijk onze video voor een uitleg van je PetBase account.

Report missing

It is a sad event when a pet goes missing or dies in the family. A pet is often part of the family and loved.

It can happen to anyone, your pet won't come home in the evening. You start to wonder where he is but you don't know. Finding him can itself be very difficult. Fortunately, more than 77% of all chipped cats return home quickly! To get him home faster, you have to follow a few steps. Read this via the button below.

changing data

Report death

Although it is sad, we would like to ask you to deregister your deceased pet from PetBase. This way you prevent us from sending you an email to check the details of your animal. 

Do you have a account then you can go to this website and report a death there. Report it 
of the deceased dog in the Netherlands is a legal obligation will be reported to the I & R system of RVO.

For registrations in PetBase before November 1, 2021, you can report a death by logging in to your personal page and change your data 

How do I know if I am in the new or old portal.
Ask for the chipnumber on page Chipnumber search and click on the button 'Login and change'.

Blauwe stip
Blauwe stip
changing data
Blauwe stip
changing data

Moving house with pets

When you move, your pet naturally moves with you. It takes a while for your pet to get used to his/her new home and to find his way back when the animal is outside. It therefore happens more often than one pet missing affected after a move. Make sure you have reported your move to PetBase. With our “Plus package” you can arrange this in advance and indicate your moving date and address.

Of course, this does not only apply to the period after the move. your details must always be up-to-date so that the emergency services can reunite you with your animal. Changes can be made free of charge at PetBase.


Changing your details is done via our website, use the search option by filling in the chip number and log in via the 'Log in and change' button. This is where you get into your personal PetBase account and can change all your data for free.

Condolences on the loss of your faithful pet. You can indicate that an animal has died by entering the chip number request and log into your personal PetBase account. There, you can sign off your animal as deceased in the database.   

Once you have entered the chip number, click on changing data, log in with the chip number and registration/form number and enter your preference. It is best to create a PetBase account at and then with chip number and registration/form number add your pet for free and there you can manage all the data yourself.

Your personal data will only be shown if people search on the 15-digit chip/chip number and if you have chosen to show data. If you choose contact only via database, the data of the registering authority will be shown when you are queried. Please note that this authority and also we as database are only open on certain days and hours. So if you have opted for contact only via database and the animal is found in the evening or at night, you cannot be contacted directly! We always ask that you at least show your phone number

On average, people in our country move once every 10 years. A new phone number is much more common. How do you process this change for FREE in your PetBase account? (Don't have an account yet, read here how you can create one)
To change your details, you must log in to your personal account. When you are logged in you will see "My address + telephone" on the right side. Clicking on this will take you to all your data. You can change this information here easily and free of charge.

How do you add details to a registration? Consider, for example, striking features such as a different earpiece, but also necessary medication. The button below takes you to our support site. Here you will be helped through clear steps.

Support site

Is your question not listed here? Then look further via the following button:



Team PetBase