Connect generations with the FamilySearch API
Integrate your app or service with the FamilySearch API for free to create unforgettable family history experiences.
It's simple to get started:
1. Submit an application
Fill out the Third-Party Service Provider Application Form for our team to review.
2. Wait for approval
We’ll let you know via email if your application has been approved.
3. Get your API keys
Keys will be sent to you via email. Use them to set up access to FamilySearch data.
4. Start building
FamilySearch Developer Guides will show you how to build your first integration.
Find the right FamilySearch data for your integrations
FamilySearch Trees
Leverage the power of the largest global family tree to deliver new experiences for your users.
Learn MorePlace-Names
Standardize the places in your app or service with a database of more than 6 million geographic locations.
Learn MoreHistorical Records
Help your users discover their own family in billions of searchable records from all over the world.
Contact UsPhotos and Stories
Access millions of family and ancestor photos, stories, and documents added by our users.
Learn MoreNo charge for API access
Because FamilySearch is a nonprofit organization it can provide access to its API endpoints for free. Sign in to get your keys and to start calling the API.
$0/mo
Your code kit
API Keys
Access to the FamilySearch REST API and the various endpoints is free for both individuals and organizations.
Get StartedFamilySearch SDKs
This comprehensive toolkit simplifies the integration of FamilySearch genealogy and historical data with web applications.
Download SDKAPI Reference
FamilySearch has dozens of API resources for you to access, including Genealogies, Pedigree, Names, Search and Match, and Places.
View EndpointsCompatibility Checklist
To publish your app to production, we hold a readiness review to ensure your product is compatible. View the checklist here.
View ChecklistQuestions? Ask the community
Learn with other developers over at our FamilySearch Developer Forum
Join The Community
Be a Solution Provider
With our Solution Provider program we can feature your integration in our Solutions Gallery.
Join The Program