Candid
Candid (formed from the 2019 merger of Foundation Center and GuideStar) helps social sector organizations advance their missions by sharing information, breaking down barriers, and improving giving. Candid maintains the most comprehensive set of data on U.S. nonprofits, foundations, grants, and philanthropy, and exposes that data through a family of developer APIs — Essentials, Premier, Charity Check, Demographics, Grants, News, Taxonomy, Eligibility, and PDF/Bulk variants — available through the Candid Developer Portal.
8 APIs
0 Features
CharitiesDonationsNon-ProfitsPhilanthropyFoundationsGrants990sDemographics
Core nonprofit search and lookup. Provides fast search over Candid's database of U.S. nonprofits by name, EIN, location, NTEE code, size, and more. Returns summary records suita...
Deep nonprofit profile data. Returns comprehensive records for a given organization including financials, programs, leadership, board, grants received and awarded, operating det...
Real-time nonprofit verification and compliance screening used for due diligence, donation compliance, and tax-deductibility checks. Returns IRS 501(c)(3) status, revocation his...
Structured demographic data voluntarily provided by nonprofits about their staff, board, and populations served. Enables funders and platforms to analyze equity, diversity, and ...
Access to Candid's global grants dataset — summary statistics, funders, recipients, and individual transaction records. Useful for philanthropic benchmarking, funder research, a...
Search and retrieve philanthropic news content from Candid's curated news database covering funders, grantees, sector trends, and policy. Supports customizable parameters for da...
Returns Candid's philanthropic classification system (subject, population, support-strategy, and geographic area taxonomies) so integrators can consistently tag and query nonpro...
Evaluates whether a given nonprofit is eligible to receive a grant or donation based on configurable rules — IRS status, country, OFAC, custom program criteria — to automate gra...
aid: candid
name: Candid
url: https://raw.githubusercontent.com/api-evangelist/candid/refs/heads/main/apis.yml
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
type: Index
tags:
- Charities
- Donations
- Non-Profits
- Philanthropy
- Foundations
- Grants
- 990s
- Demographics
access: 3rd-Party
created: '2025-03-01'
modified: '2026-05-19'
position: Provider
specificationVersion: '0.19'
description: >-
Candid (formed from the 2019 merger of Foundation Center and GuideStar) helps social sector organizations advance
their missions by sharing information, breaking down barriers, and improving giving. Candid maintains the most
comprehensive set of data on U.S. nonprofits, foundations, grants, and philanthropy, and exposes that data through a
family of developer APIs — Essentials, Premier, Charity Check, Demographics, Grants, News, Taxonomy, Eligibility, and
PDF/Bulk variants — available through the Candid Developer Portal.
apis:
- aid: candid:essentials-api
name: Candid Essentials API
description: >-
Core nonprofit search and lookup. Provides fast search over Candid's database of U.S. nonprofits by name, EIN,
location, NTEE code, size, and more. Returns summary records suitable for autocompletes, lookups, and
basic-verification flows. Available in versions v1–v4 with POST and GET variants.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/essentials
tags:
- Nonprofits
- Search
- Lookup
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
- type: OpenAPI
url: openapi/candid-essentials-api-openapi.yml
- aid: candid:premier-api
name: Candid Premier API
description: >-
Deep nonprofit profile data. Returns comprehensive records for a given organization including financials,
programs, leadership, board, grants received and awarded, operating details, affiliations, and FTA (Financial
Trend Analysis). Supports a Profile PDF generation endpoint for building ready-to-share nonprofit briefs.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/premier
tags:
- Nonprofits
- Financials
- Profiles
- PDF
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
- aid: candid:charity-check-api
name: Candid Charity Check API
description: >-
Real-time nonprofit verification and compliance screening used for due diligence, donation compliance, and
tax-deductibility checks. Returns IRS 501(c)(3) status, revocation history, public-charity / private- foundation
classification, OFAC watchlist screening, and more. Offers national and state-level endpoints.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/charitycheck
tags:
- Compliance
- Verification
- IRS
- Due Diligence
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
- aid: candid:demographics-api
name: Candid Demographics API
description: >-
Structured demographic data voluntarily provided by nonprofits about their staff, board, and populations served.
Enables funders and platforms to analyze equity, diversity, and inclusion across the social sector.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/demographics
tags:
- Demographics
- DEI
- Nonprofits
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
- aid: candid:grants-api
name: Candid Grants API
description: >-
Access to Candid's global grants dataset — summary statistics, funders, recipients, and individual transaction
records. Useful for philanthropic benchmarking, funder research, and grant-market intelligence.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/grants
tags:
- Grants
- Funders
- Recipients
- Transactions
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
- aid: candid:news-api
name: Candid News API
description: >-
Search and retrieve philanthropic news content from Candid's curated news database covering funders, grantees,
sector trends, and policy. Supports customizable parameters for date range, topic, geography, and organization.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/news
tags:
- News
- Philanthropy
- Content
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
- aid: candid:taxonomy-api
name: Candid Taxonomy API
description: >-
Returns Candid's philanthropic classification system (subject, population, support-strategy, and geographic area
taxonomies) so integrators can consistently tag and query nonprofit, grant, and funder records.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/taxonomy
tags:
- Taxonomy
- Classification
- Metadata
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
- aid: candid:nonprofit-eligibility-api
name: Candid Nonprofit Eligibility API
description: >-
Evaluates whether a given nonprofit is eligible to receive a grant or donation based on configurable rules — IRS
status, country, OFAC, custom program criteria — to automate grantmaking and giving workflows.
humanURL: https://developer.candid.org/reference/welcome
baseURL: https://api.candid.org/eligibility
tags:
- Eligibility
- Grantmaking
- Compliance
properties:
- type: Documentation
url: https://developer.candid.org/reference/welcome
- type: Portal
url: https://developer.candid.org/
common:
- type: GitHubOrganization
url: https://github.com/CandidOrg
- type: LinkedIn
url: https://www.linkedin.com/company/candiddotorg
- type: Website
url: https://candid.org
- type: DeveloperPortal
url: https://developer.candid.org/
- type: DataPortal
url: https://data.candid.org/reference/welcome-to-candids-data-portal
- type: APIsOverview
url: https://candid.org/use-our-data
- type: PricingAndAccess
url: https://candid.org/use-our-data
- type: PrivacyPolicy
url: https://candid.org/privacy-policy
- type: TermsOfService
url: https://candid.org/terms-of-use
- type: Support
url: https://help.candid.org/
- type: Integrations
url: https://candid.org/partners/
- type: LLMsTxt
url: https://developer.candid.org/llms.txt
integrations:
- name: Candid
- name: footer
- name: Candid's 2026 Platinum Seal of Transparency
maintainers:
- FN: Kin Lane
email: [email protected]