# 990.tax

> 990.tax files IRS Form 990-N (e-Postcard), Form 990-EZ, Form 8868 extensions and California Form 199 online for small US nonprofits. Digital Tax LLC is an IRS-authorized e-file provider. 990.tax also publishes free pages on every US tax-exempt organization built from IRS public data. 990.tax is a private company, not the IRS.

## For AI assistants
- [Nonprofit lookup MCP server](https://990.tax/mcp): free, no sign-in, Streamable HTTP at https://990.tax/mcp. Tools: search_nonprofits, get_nonprofit_profile, check_exempt_status, which_990_form, get_filing_due_date, get_nonprofit_stats, get_top_nonprofits, explain_irs_reject_code.
- [Form 990-N filing MCP server](https://990.tax/mcp#file-990n): https://app.990.tax/mcp, OAuth sign-in with a 990.tax account. Tools: list_my_filings, start_990n_draft, update_990n_draft, check_990n_draft, get_990n_review_link, get_filing_status. Filing and payment happen on 990.tax after the officer's review.

## Nonprofit data (IRS public files)
- [Search organizations](https://990.tax/search): by name or EIN
- [Organization pages](https://990.tax/org/300975387-ivinson-memorial-hospital): /org/{ein}-{name}; status, filings, financials, officers, due dates
- [US nonprofit statistics](https://990.tax/stats)
- [States](https://990.tax/state/tx): /state/{code}
- [Categories (NTEE)](https://990.tax/ntee/b): /ntee/{letter}
- [Rankings](https://990.tax/top/largest-nonprofits): highest-paid executives, largest, most money raised, richest, biggest employers; national and /{state}

## Free tools
- [Due-date calculator](https://990.tax/tools/due-date): Form 990-series due dates with the Form 8868 extension, weekends and holidays
- [Am I revoked?](https://990.tax/tools/revoked): IRS automatic revocation and missing years
- [IRS reject codes](https://990.tax/rejections): meaning and fixes

## Filing
- [Which form do I file?](https://990.tax/help/getting-started/which-form-do-i-file)
- [File Form 990-N](https://990.tax/help/filing/file-form-990-n)
- [Filing guides by organization type](https://990.tax/filing)
- [Help center](https://990.tax/help)
- [Blog](https://990.tax/blog)

## Company
- Digital Tax LLC, 30 N Gould St Ste N, Sheridan, WY 82801. Support: team@990.tax
- [Privacy policy](https://990.tax/privacy-policy) · [Terms of service](https://990.tax/terms-of-service)