Open Archives

Open Archives API

This documentation describes version 1.0 of the Open Archives API. The methods marked with an asterisk (*) require an API key, contact Open Archives to apply for one. All output is in UTF-8 and cached (server-side and via max-age header) for a day, unless otherwise specified.


  • Search - searches the genealogical data set and returns the found persons (and records)
  • Show - shows one specific genealogical record
  • Years ago - lists people born years ago


  • Add (*) - adds a link between record and page in online family tree
  • List - lists links between records and pages in online family trees


  • Add (*) - adds a comment to a record
  • List - lists comments made on records



  • Weather - historical weather measurements