IRS Data API
IRS Data API — Verified Tax-Exempt Organization Data, Delivered Clean Stop wrestling with IRS bulk downloads. This API gives you structured, searchable access to over 1.5 million tax-exempt organizations directly from the IRS Business Master File, cross-referenced with Pub78 and Automatic Revocation of Exemption (AROE) data. Whether you are validating a single charity before processing a…
1 subscribers
8.4/10 popularity
268 ms avg latency
75% success rate
6 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
IRS Data API endpoints
| Method | Endpoint | Description |
|---|---|---|
| Health | ||
| GET |
/health/ready /health/ready |
Checks database connectivity to determine if the API is ready to serve requests. |
| GET |
/health /health |
Returns the health status of the API service. |
| Organizations | ||
| GET |
GetOrganization /api/organizations/{ein} |
Retrieves a full organization profile by EIN. Use ?include=pub78,aroe for additional data. |
| GET |
AutocompleteOrganizations /api/organizations/autocomplete |
Typeahead search for organization names. Requires Standard+ tier. Prefix matching on name and nameSearch fields. |
| GET |
SearchOrganizations /api/organizations |
Search for tax-exempt organizations by name, state, subsection, NTEE code, and more. Supports pagination. |
| Verification | ||
| POST |
VerifyOrganization /api/verify |
Cross-references BMF, Pub78, and AROE data to verify an organization's tax-exempt status. |
IRS Data API pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | 10 / minute |
|
| PRO | $59 / month | 100 / minute |
|
| ULTRA | $199 / month | 600 / minute |
|
