# CharityAPI, free: Company enrichment API

> Retrieve everything the IRS has on file for a nonprofit by EIN (Tax ID).

CharityAPI's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. CharityAPI's docs list 3 of the 13 key fields we check: Type and status, Headquarters, Revenue and budgets.
You get up to 144,000 calls a month.
We haven't run CharityAPI through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
This plan is free. We rank 2,003 plans for company enrichment APIs by price. Half the plans cost $7.957 per 1,000 companies or less.
[Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[APIs Peru's PEN 30 monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 monthly plan costs less up front than Extruct's $49 monthly plan.
[ROIC.ai](https://datacircle.dev/company-enrichment-apis/roic-ai/89-monthly/llms.txt), [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/charityapi/free
- [Company enrichment API: the best of 160+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://charityapi.org/signup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://api.charityapi.org/api/organizations/{ein}`
- API key: with the plan, on https://charityapi.org/signup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://docs.charityapi.org/organizations.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#get-nonprofit-organization-by-ein
- Sold by: CharityAPI (https://charityapi.org?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-06

## In the answer

- Completeness: 23%
- Type and status: ✓
- Headquarters: ✓
- Revenue and budgets: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: List Nonprofit Organizations · Organization Schema · Search Nonprofits and Charities · Public Charity Check · Get Data Import By ID · Get Recent Data Imports · List NTEE Codes · Get NTEE category By Code

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Retrieve everything the IRS has on file for a nonprofit by EIN (Tax ID).

## Data

- Freshness: 1 month
- Countries: United States
- Keep data: no limit
- Use data: You will not collect content or information, or access the Website or use the Company’s services using an automated means such as harvesting bots, spiders, scrapers, or crawlers) without the Company’s prior permission. [...] You will not use the Company’s services to do anything unlawful, malicious, misleading, or discriminatory. [...] You will not access these services in order to compete with these services. You are absolutely not permitted to use any data provided via these services or any representative of these services in the service of a competing service. You are not permitted to employ or encourage others to use these services in order to gather information for a competing service, nor to do so on behalf of a competing service. [...] You will not share your password or key with anyone, let anyone else use or access your account, or do anything else that would endanger the security of your account.

## Plan

- Pay: $0
- Enough for: 144,000 calls a month

## Rate limit

- Per second: 0.056
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: ein
- Method: GET
- Path: /api/organizations/{ein}

## About the plan

- Plan: Free
- Who can get it: anyone of the legal age at which they can enter into a binding contract

## The 28 fields the plan's answer can hold

EIN, name, sort name, in care of, street address, city, state, ZIP code, tax period, ruling date, subsection code, classification code, affiliation code, group exemption number, foundation code, organization type, deductibility code, status code, NTEE code, activity code, filing requirement code, PF filing requirement code, accounting period, asset code, asset amount, income code, income amount, revenue amount

## CharityAPI's plans (2)

- [CharityAPI, free](https://datacircle.dev/company-enrichment-apis/charityapi/free/llms.txt): $0.00 per 1,000, 23% complete, 1 month
- [CharityAPI, $15 monthly](https://datacircle.dev/company-enrichment-apis/charityapi/15-monthly/llms.txt): $0.0021 per 1,000, 23% complete, 1 month

## CharityAPI's calls for this API (1)

- `GET /api/organizations/{ein}`: [CharityAPI, free](https://datacircle.dev/company-enrichment-apis/charityapi/free/llms.txt)

## CharityAPI's APIs (2)

- [CharityAPI: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/charityapi/free/llms.txt)
- [CharityAPI: business verification API pricing, 2 plans, GET /api/organizations/{ein}](https://datacircle.dev/business-verification-apis/charityapi/free-get-api-organizations-ein/llms.txt)
- [CharityAPI: business verification API pricing, 2 plans, GET /api/public_charity_check/{ein}](https://datacircle.dev/business-verification-apis/charityapi/free-get-api-public-charity-check-ein/llms.txt)
- [CharityAPI: business verification API pricing, 2 plans, GET /api/organizations/search/{term}](https://datacircle.dev/business-verification-apis/charityapi/free-get-api-organizations-search-term/llms.txt)

## CharityAPI: company enrichment API alternatives

- [CompanyPulse, £99 monthly, Business, POST /v1/batch](https://datacircle.dev/company-enrichment-apis/companypulse/99-monthly-business-post-v1-batch/llms.txt): $0.00088 per 1,000, 23% complete, 1 day
- [Firmbase, €29 monthly, Pro, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/firmbase/29-monthly-pro-post-v1-companies-batch/llms.txt): $0.0016 per 1,000, 38% complete, 24 hours
- [SEC API, $2,388 yearly, Business Internal Use, GET /ticker/{ticker}](https://datacircle.dev/company-enrichment-apis/sec-api/2388-yearly-business-internal-use-get-ticker-ticker/llms.txt): $0.0019 per 1,000, 15% complete, 1 day
- [Financial Modeling Prep, $69 monthly, Premium, GET /stable/profile](https://datacircle.dev/company-enrichment-apis/financial-modeling-prep/69-monthly-premium-get-stable-profile/llms.txt): $0.0021 per 1,000, 46% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-06.

- https://charityapi.org?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://charityapi.org/signup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://charityapi.org/terms-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://charityapi.org/terms/cancellation-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.charityapi.org/authentication.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.charityapi.org/main.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://docs.charityapi.org/organizations.html?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#get-nonprofit-organization-by-ein