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

Change data for free

New owner from € 7.50 for a lifetime registration.

You are the new owner and want to name your pet. If you don't have an account with PetBase yet, you can create one via een account aan. Login in op de 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 voldoet u aan alle gestelde wettelijke regels. Geen verborgen kosten of jaarabonnement en alles veilig geregistreerd. Na de betaling staat jouw huisdier gelijk op je naam. 

Report missing persons and deaths

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.

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 persoonlijke pagina en jouw gegevens wijzigen. 

How do I know if I'm in the new or old portal.
Ask for the chip number on the pagefind chip number and click on the login and change button.

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.


It is not possible to change (address) details through telephone. The easiest way is through our website, under the option change details. You can also send us an e-mail with the chip-/transponder number and registration-/form number, the old details and the new, correct details. If you are unable to make changes online, you can also send us the details by regular mail.uren met daarin het chip/transponder- en registratie-/formuliernummer, de oude en de nieuwe gegevens. Als u op geen enkele manier online de wijziging kunt doen, mag u deze ook per post sturen.

You can report the death of a pet by logging in on our website.

Click on changing data in het menu, log in met transponder- en registratie-/formuliernummer en geef uw voorkeur op. Uw persoonlijke gegevens worden alleen getoond als men zoekt op het 15-cijferig chip-/transpondernummer en wanneer u gekozen heeft voor vrijgave. Als u niet kiest voor vrijgave, dan worden de gegevens van de aanmeldende instantie getoond bij opvraging. Houd er rekening mee dat deze instantie alleen op bepaalde dagen en uren open kan zijn. Als u dus niet heeft gekozen voor vrijgave en het dier  ’s avonds of ’s nachts gevonden wordt, bent u niet direct te benaderen!  

Gemiddeld verhuizen mensen in ons land eens per 10 jaar.  Een nieuw telefoonnummer komt veel vaker voor. Hoe verwerkt u deze wijziging GRATIS in uw PetBase account?  (Heeft u nog geen account, lees dan hier hoe u het kunt aanmaken en inrichten.)
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.

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