01.17.2023 - GuideStar Gen 1 APIs are decommissioned on February 1st, 2023

For active users of GuideStar generation 1.0 APIs, hosted at

Access is no longer available for the below API's starting on February 1st, 2023.

  • AdvSearch v1
  • Charity Check v1, v2, v3 (Gen 1.0)
  • Charity Check PDF v1, v2, v3 (Gen 1.0)
  • Detail v1
  • Exchange v1, v2, v3, v4
  • Simplify v1
  • Search v1.1

If you are encountering any errors, please consult with your business development representative for access to alternative solutions.

Thank you,
Candid API support