A chip only works if the record behind it is current
A microchip carries one thing: a number. Everything that reunites a lost dog with its owner — the phone number called, the address used, the name spoken — lives in the registry record that number points to. Chips rarely fail, but records go stale constantly: owners move house, change mobile numbers, or assume the vet, breeder, or rescue updated details that were never actually changed. Checking takes three parts: confirm the number, find the registry, then audit the record line by line.
Step one: get the chip scanned and note the number
Ask your vet to scan your dog at the next visit — most practices will do this as a quick standalone check too — or ask a local shelter or rescue. The scanner confirms the chip is present, still readable, and shows the number it transmits. Chips can occasionally migrate under the skin from the usual spot between the shoulder blades, so if a scanner finds nothing on the first pass, ask for a slower scan over the shoulders, neck, and chest before concluding anything.
Write the number down exactly as displayed and keep it in more than one place: a note on your phone and with your dog's other paperwork. You will need that exact number for every lookup that follows, and owners often discover during a stressful loss that the only copy was on a form they can no longer find.
Step two: find the registry and open the record
Enter the chip number into a universal pet microchip lookup tool, which will tell you which registry holds the record. Then go to that registry directly — by its own website or phone line — and log in or request access to the record attached to the number. If the chip was implanted by a breeder, rescue, or a previous owner, the record may still sit under their name or an old account, and the registry can explain its transfer process. Bring proof of ownership, such as vet records in your name, if they ask for it.
Step three: audit every field, not just your phone number
Read the whole record back as a stranger trying to return your dog would see it. Check your mobile number digit by digit, add a second contact who would answer if you were on a plane or your phone was lost — a partner, family member, or trusted friend — and confirm your current address and email. Check the dog's own details too: name, breed description, color, and any notes field where medical needs can be flagged, because a finder or vet reading that a dog needs daily medication will act faster.
Then make it a habit tied to events rather than memory: every house move, every phone change, and once at a routine vet visit, the chip record gets the same review. If your dog is ever found by someone whose vet uses a different registry, an accurate, complete record is what lets that number reach you.
A chip record sits in a database you rarely see, so it helps to keep the everyday version close at hand as well. KinsLe's Pet Pass puts your dog's verified identity and your owner contact details on one card you can show instantly, giving anyone helping your dog the same current information the registry holds.