# CharityAPI

**Canonical:** https://apis.io/providers/charityapi/  
**Website:** https://www.charityapi.org/  
**APIs profiled:** 3

CharityAPI provides a simple REST API for data about US nonprofits and charities sourced directly from IRS filings. Developers can retrieve nonprofit records by EIN, verify whether an organization is a public charity (501c3) with tax-deductible status, and integrate organization name autocomplete to power donation, vetting, and compliance workflows.

## Kin Score — 36.7 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 36.7).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 62.2 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 28.6 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

## Agent readiness — 34.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (3)

- **CharityAPI Autocomplete API** — Typeahead search across nonprofit organization names
- **CharityAPI Organizations API** — Look up US nonprofit organization records by EIN
- **CharityAPI Public Charity Check API** — Verify whether an EIN is a tax-deductible public charity

## Agentic access (1)

- **Charityapi Agentic Access** — 3 operations

## Security (2)

- **Charityapi Authentication** — apiKey · 1 scheme
- **Charityapi Domain Security** — TLSv1.3

## Plans (1)

- **Charityapi Plans Pricing**

## Tags

501c3, Charities, Donations, EIN, IRS, Non-Profit, Tax Compliance, Verification

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/charityapi/). Scores are computed from the provider's own public artifacts under a published rubric.