Petfinder API
Fun & Random Free key (no card)
AuthenticationFree key (no card)
Rate limitNo numeric quota published in the current official docs; use reasonable request patterns
Documentation: www.petfinder.com ยท Checked Sep 13, 2026
About
Petfinder's API gives you access to one of the largest databases of adoptable pets and shelters in North America. Registration is free. You create an account and get a client ID and secret for OAuth2. Search animals by type, breed, size, location, and more, and pull details on organizations too.
Details
Free to start. You may need a free key, but no credit card.
Auth: Free key (no card)
Rate limit: No numeric quota published in the current official docs; use reasonable request patterns
Verified: 2026-09-13
Best for: pets adoption animals
Setup
- Create a free Petfinder developer account.
- Register an application to get your client ID and secret.
- Exchange them for an OAuth2 access token.
- Search animals by type, breed, size, age, and location.
- Display results with the required Petfinder attribution.
Example
GET https://api.petfinder.com/v2/animals?type=dog&page=2 with a Bearer tokenUse cases
- Build a pet-adoption alert for your area and preferences
- Create a shelter directory for your city
- Power a pet-matching feature in an app