Plinth

Pricing

Unlock the hidden intelligence of funding

The entire US grantmaking universe — every grant, every funder, from public IRS filings — free to explore, no sign-up, and a free API key to pull it yourself. Volume and the AI analysis on top are the paid product: try it free, then pick the plan that fits — non-profits and consultants unlock the full AI analysis and the deeper data layers (board & people networks, asset holdings), and foundations can bring it into their grantmaking with our portfolio insights tool.

Free

No card needed

$0

Explore the whole dataset free. A key takes a minute and costs nothing.

  • The full Grants API — 17.9M grants, 205k funders
  • 50 API calls a month on a free key
  • Search every funder and nonprofit
  • 3 free AI questions a day, free to try
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For non-profits

$75/mo

Full AI analysis for a fundraising team.

  • Everything in Free
  • Full AI analysis — no daily limit
  • Charts + the SQL behind every figure
  • Generous monthly usage

For consultants

$250/mo

For heavy, professional and client-facing use.

  • Everything in For non-profits
  • The highest monthly AI usage
  • People & board tracking — officers, trustees, interlocks
  • Asset & investment tracking — holdings, managers, allocation
  • 10,000 API calls a month — bulk access to the whole dataset
  • Plinth × Claude connector

For foundations

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Bring these insights into your grantmaking with our portfolio insights tool.

  • Everything in For consultants
  • Unlimited / custom API volume
  • Portfolio insights tool wired into your grantmaking
  • Look-alike prospecting across every US funder
  • Board, people & asset intelligence on your whole portfolio
  • Bespoke onboarding and support
Contact us →

Already subscribed? Your account →·Pro includes the Plinth × Claude connector →