ProPublica Nonprofit Explorer pricing: business verification API
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18% complete: 2 of the 11 fields on our checklistSee the 11 fields
$0.00per 1,000 companiesIn our business verification API benchmark, this plan scores 75.8 out of 100.We rank 1,422 plans for business verification APIs by price. Half the plans cost $7.895 or less per 1,000 companies. This plan and 191 others tie for the lowest price per 1,000 companies of the 1,422 plans. See the best free business verification API plan.Scoris's €19 pack covers any number of companies in 8 countries only. Scoris's €19 pack costs more up front than CharityAPI's $15 monthly plan.GovFiles, CompanyData.com and Didit are the best business verification API providers in the Datacircle benchmark for companies in any country.
Plan: Free ProPublica Nonprofit Explorer's only plan
Call:
GET / ProPublica Nonprofit Explorer's only call for this APIAPI: Business verification API one of ProPublica Nonprofit Explorer's 3 APIs
About this item
- Stored. You get records from ProPublica Nonprofit Explorer's copy of the register. ProPublica Nonprofit Explorer doesn't say how old the records are.
- 2 of the 11 fields on our checklist. Tax ID, Principal address.
- Nothing to pay. ProPublica Nonprofit Explorer limits how many calls you get but gives no number.
- One call. You call
GET /. Every input is optional:search.json q,page,state[id],ntee[id],c_.code[id] - Anyone can get it. Keep data: no limit. Use data: with conditions.
ProPublica Nonprofit Explorer: business verification API alternatives
We list other providers' plans closest to this plan in price per 1,000 companies. Each plan in the table gives stored data.
| This planProPublica Nonprofit Explorer, free | Latinfo, free, GET /co/rues/registry/search | Milquery, free | CZ Agents, free | data.texas.gov, free, With an app token | |
|---|---|---|---|---|---|
| $ per 1,000 companies | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Completeness | 18% | 27% | 27% | 18% | 27% |
| Billing | free | free | free | free | free |
| Pay | $0 | $0 | $0 | €0 | $0 |
| Enough for | not published | 1,296,000 calls a month | not published | not published | no limit |
| Freshness | stored | stored | stored | stored | stored |
| Who can get it | anyone | anyone with a GitHub or Google account, one account per person or organization | anyone | anyone | anyone with a Socrata account, which registers an application token in its profile |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Registered name, not in the answer
- Entity number, not in the answer
- Tax ID
- Entity type, not in the answer
- Status, not in the answer
- Good standing, not in the answer
- Formation date, not in the answer
- Registered agent, not in the answer
- Principal addresstown or region
- Officers, not in the answer
- Filings, not in the answer
| Overall score | 75.8 |
|---|---|
| Price score | 100 |
| Accuracy score | 61 |
| Cost to get started score | 100 |
| Bundle score | 0 |
| Performance score | 91 |
| $ per 1,000 companies | $0.00 |
|---|---|
| Per | call |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | nothing else |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Returns a list of organizations matching the given search terms. |
|---|
| Freshness | stored |
|---|---|
| Countries | United States |
| Keep data | no limit |
| Use data | In general, you may use the free data published by ProPublica under the following terms. However, there may be different terms included for some datasets. [...] You can't republish the raw data in its entirety or otherwise distribute the data (in whole or in part) on a stand-alone basis. You can't change the data except to update or correct it. You can't charge people money to look at the data or sell advertising specifically against it. You can't sub-license or resell the data to others. If you use the data for publication, you must cite ProPublica. [...] |
| Pay | $0 |
|---|
| Batch | 1 |
|---|
| Answer | in the call |
|---|---|
| Median | 0.11 s |
| You send | nothing required. Optional: q, page, state[id], ntee[id], c_code[id] |
|---|---|
| Method | GET |
| Path | /search.json |
| Plan | Free |
|---|---|
| Who can get it | anyone |
The 15 fields the plan's answer can hold
EIN, formatted EIN, organization name, organization alternate name, city, state, NTEE code, raw NTEE code, IRS subsection code, has IRS subsection code, has filings, has extracts, has PDFs, relevance score, total results