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.

API calls are throttled per IP address to 4 requests per second (Leaky Bucket).

Records

  • Search - searches the genealogical data set and returns the found persons (and records)
  • Match - searches for records where a person identified by name and birthyear is mentioned
  • Show - shows one specific genealogical record
  • Years ago - lists people born years ago

Comments

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

Statistics

Related

  • Weather - historical weather measurements
  • Census - information about the Dutch population
Postman webview

Open Archives URI

Records presented on Open Archives all have an URI. This URI resolves to content based on content-negotiation.

Open Search

Open Archives provides search results as defined by the Open Search specification. There's an OpenSearch description docu­ment for each language: NL, EN, DE & FR.

Want to harvest the genealogical data?

Open Archives also provides an OAI-PMH data provider for harvesting.

Find your ancestors and publish your family tree on Genealogy Online via https://www.genealogieonline.nl/en/