CharityAPI

REST API for IRS-registered U.S. nonprofit lookups, 501(c)(3) status verification and organization details.

Visit CharityAPI Docs

More in Nonprofit & Charity APIs

ProPublica Nonprofit Explorer API

Free API for searching U.S. tax-exempt organizations and retrieving Form 990 financial filings by EIN.

Every.org Charity API

Free API to search over a million U.S. nonprofits, fetch profiles and logos, and generate donation links.

Charity Navigator API

GraphQL API exposing Charity Navigator ratings, beacons and organization data for U.S. charities.

Candid API

Candid (GuideStar and Foundation Directory) APIs for nonprofit profiles, essentials data, charity checks and grants data.

Information is summarised in our own words and may be out of date; check the vendor's site for current terms and prices. Not affiliated with CharityAPI. Suggest a correction.

Category	Nonprofit & Charity APIs
Authentication	API key
Pricing	Free tier
Website	https://www.charityapi.org/
Docs	https://www.charityapi.org/
Last checked	2026-10-14
As JSON	/api/v1/directory/charityapi.json