Skip to main content
Occuin
Occuin
BrowseAboutContactPricingEventsBlog
Sell
Sign InRegister
Occuin
BrowseAboutContactPricingEventsBlog
Listings
AuctionsShopsVeterinariansIndividuals
Sell
Notifications
Sign InRegister

Newsletter

Subscribe to get updates on new features and special offers.

No spam. Unsubscribe anytime.

Occuin

The global animal exchange

A global exchange for animals, livestock and the people who care for them.

Follow Us

Marketplace

  • Browse Animals
  • Live Auctions
  • Shops
  • Individual Sellers
  • Veterinarians

Sell on Occuin

  • Become a Seller
  • Become a Vet
  • Pricing

Resources

  • Blog
  • Events
  • Contact

Company

  • About
  • Careers
  • Privacy Policy
  • Terms of Service
Every listing admin-reviewed
ID-verified sellers
Vet-backed network
Secure on-platform messaging

© 2026 Occuin. All rights reserved.

Built for breeders, keepers and buyers worldwide.

We use analytics cookies to understand how the site is used, including heatmaps and session recordings. They stay off unless you accept.

Learn more about our privacy practices
A long-haired German Shepherd looking up at the camera
Photo: Unsplash
All articles
caninepet safetyownership

How to check a dog's microchip information before you take ownership

August 22, 20263 min read

Learn how to verify a dog's microchip status and ensure ownership records are correctly transferred before you finalize an adoption or purchase.

In this article
  • How do you verify a dog has a functional microchip?
  • Where is the microchip registration held?
  • How do you update the microchip to your name?
  • What should you look for in the registration records?
  • Taking the next steps

Verifying the details of a canine microchip is a critical step in ensuring a successful transfer of ownership. By learning how to check a dog's microchip information before you take ownership, you protect yourself from potential legal disputes and ensure the animal can always be traced back to its current guardian. This process involves verifying that the chip is present, functional, and registered to the correct contact information.

How do you verify a dog has a functional microchip?

To verify the presence of a microchip, you must have a universal scanner pass over the dog's shoulder blades and neck area. If you do not own a scanner, visit a local vets or animal shelter to have a professional check the chip for you; they can scan the animal in seconds to detect if a transponder is present and readable. A functioning chip will display a unique 9-digit, 10-digit, or 15-digit alphanumeric code on the scanner screen. If the scanner fails to pick up a signal, the chip may have migrated deep into the tissue, become damaged, or simply not exist, which requires a follow-up assessment by a medical professional.

Where is the microchip registration held?

Once you have the unique identification number from the scanner, you must search that code in a national registry database to see who is currently listed as the owner. Most countries have a centralized online portal where you can enter the chip number to identify which company manages the pet's profile. Note that registration is not universal; if the chip was registered in a private database, you might need to check multiple registries or contact the manufacturer directly to find the current contact details. Be aware that privacy laws vary by region, so the database might only provide the contact information for the current owner's registered vet or the original rescue organization.

How do you update the microchip to your name?

Transferring ownership requires the original owner to sign off on the change of details through the registry service. You cannot simply update the information yourself because the databases require authorization from the person currently listed in the system. Ask the seller to provide a transfer code or to initiate the transfer process online while you are both present. If the seller is unable to access the account, they may need to provide a formal bill of sale or adoption paperwork to the registry company to prove the animal has legally changed hands. Always keep a printed copy of the updated registration certificate in your files for future reference.

What should you look for in the registration records?

Check the registration record for accuracy regarding the dog's breed, sex, and age to ensure the chip profile matches the animal you are bringing home. Discrepancies between the paper records and the digital registry can sometimes indicate that the dog has been misidentified or that the chip was implanted after a previous incident. Furthermore, ensure that the contact information includes at least two emergency phone numbers and a valid email address so that you can be reached if the dog is ever lost. If you find that the registry information is outdated or impossible to verify, consult with a professional to discuss having a new chip implanted or registered under your own account for peace of mind.

Taking the next steps

Before finalizing any agreement, ensure the seller provides you with the microchip brand name and the unique ID number. If you are preparing your home for a new companion, you can also browse various listings for supplies to make their transition easier. Remember that while a microchip is an essential tool for safety, it does not replace the need for physical identification tags on a collar. If you encounter any issues with scanning or registering the chip, always consult your local vet for guidance on how to secure the animal's identity properly.

Next step

Ready to start looking?

Compare verified sellers, shops with public review histories, and vets who can advise before you commit.

Browse listingsExplore shopsFind a vet

In this article

  • How do you verify a dog has a functional microchip?
  • Where is the microchip registration held?
  • How do you update the microchip to your name?
  • What should you look for in the registration records?
  • Taking the next steps

Keep reading

Related guides

Canine heatstroke prevention: Recognizing early warning signs

Learn how to identify the subtle signs of canine overheating and take immediate steps to keep your pet safe during hot weather.

Canine vaccination schedule: what every new owner needs to know

Understanding your dog's vaccination schedule is essential for long-term health. Learn which shots are mandatory, which are elective, and how to verify records.

Canine skin allergy symptoms: identifying common irritants and reactions

Learn to identify early canine skin allergy symptoms, how to differentiate between causes, and when to seek professional veterinary help.