Nonprofit Data Webhooks: Which 990 APIs Support Them?
A current look at whether nonprofit data providers document webhook support for 990 changes, including IRS, Candid, Cause IQ, ProPublica, and 501see.
Nonprofit Data Export API: How to Download IRS 990 Data at Scale
Compare nonprofit data export options for developers, including filtered CSV exports, API access, pricing models, and alternatives to building an IRS ingestion pipeline.
IRS 990 API: How to Get Nonprofit Financial Data in JSON
Use a nonprofit 990 API to retrieve structured financial data, filing history, and organization records in JSON without building your own IRS filing pipeline.
Nonprofit EIN API: Search by Name, Resolve an EIN, and Verify an Organization
A practical guide for developers who need to find a nonprofit by name, resolve its EIN, and verify the organization with an API.
Nonprofit Salary Data: How to Benchmark Compensation by Role and Sector
Where to find real nonprofit salary data by role, state, and org size — pulled directly from IRS Form 990 filings, not surveys.
How to Use AI to Find Grant Funding for Your Nonprofit
AI can dramatically speed up grant prospecting, but only if it has the right data. Here's a practical guide to using AI tools with real nonprofit grant data from IRS 990 filings.
How to Look Up Federal Grants to Nonprofits (Without USAspending)
Federal grant award data is public but hard to search. Learn how to find which nonprofits receive federal funding, from which agencies, and how much — using the Federal Audit Clearinghouse.
The Nonprofit 990 Field Guide: What Every Line Actually Means
A plain-English reference to the key fields on IRS Form 990. What total revenue, net assets, program expenses, and other financial terms actually tell you about a nonprofit.
Nonprofit Data Terms Explained: A Reference for Grant Writers and Researchers
EIN, NTEE, 990-PF, Schedule I, subsection codes — a concise reference for the terminology you'll encounter when researching nonprofits and foundations.
5 Free GuideStar Alternatives for Nonprofit Research in 2026
GuideStar (now Candid) starts at $3,499/year. Here are free and affordable alternatives for looking up nonprofit financials, 990 data, and grant information.
How to Look Up 990 Tax Returns for Free
A step-by-step guide to finding and reading nonprofit 990 tax returns. Learn where to search, what the different form types mean, and how to find the data you need.
How to Find Nonprofit Grant Data (Who's Funding Whom)
Learn how to research which foundations are giving grants, who's receiving them, and how much, using free public data from IRS 990 filings.
How to Look Up a Nonprofit's EIN Number (3 Free Methods)
Need to look up a nonprofit's EIN? Three free methods including IRS Tax Exempt Organization Search (TEOS) and how it compares to other tools.
Nonprofit Executive Compensation: How Much Do Nonprofit CEOs Make?
What do nonprofit executives actually earn? We break down how to find real compensation data from IRS 990 filings and what the numbers look like across organization sizes.
What Are NTEE Codes? A Plain-English Guide to Nonprofit Classification
NTEE codes classify every nonprofit in the US by what it does. Here's how the system works, how to look up an organization's code, and why it matters for research.
How to Research a Nonprofit Before You Donate
A practical guide to evaluating a nonprofit before giving. Learn how to check tax-exempt status, read financial data, and spot red flags, all using free public data.
990-PF vs 990: What's the Difference?
Private foundations file a 990-PF, not a regular 990. Here's what's different, why it matters, and how to find the data you need from each form type.