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GrantPulse Foundation Grant Intelligence
x402
GrantPulse Foundation Grant Intelligence is a paid API for AI agents from grantpulse-three.vercel.app, paid per call via x402, $0.12/call, status unknown (last checked 2026-09-15).
Returns private, family, and corporate foundation funding opportunities with LOI strategy and cultivation approach guidance for nonprofit grant writers
Price / call$0.12
Success—
StatusUnknown
How this service works
Grant discovery and application intelligence API, plus IRS Form 990-based nonprofit/funder financial intelligence. 12 endpoints powered by Grants.gov, USASpending.gov, live IRS public records (EO Business Master File + SOI Form 990/990-PF Annual Extracts), and Claude. All endpoints require x402 payment (USDC on Base mainnet). Flagship match endpoint includes Instrumentl, Grants.gov, and Candid Foundation Directory tool links. Grant writer endpoint includes writing tool links + Amazon grant writing books.
Output
A curated list of private, family, and corporate foundation funding opportunities relevant to the organization's mission, along with LOI (Letter of Intent) strategy guidance and cultivation approach recommendations for each foundation.
Example use cases
Foundation funding for youth mentorship programs
“We run an after-school mentorship program for underserved youth and need private foundation grants. Can you find foundations that support youth development and education, and show us how to approach them with a strong letter of intent?”
Corporate foundation grants for health equity
“Our community health center focuses on health equity in underserved neighborhoods. What corporate foundations are funding this work, and what's the best way to cultivate relationships with them before we submit a full proposal?”
Family foundation grants for arts organizations
“We're a small arts nonprofit serving low-income communities through visual arts education. Help us find family foundations that support arts and culture, and give us guidance on how to build relationships and write compelling LOIs that resonate with their values.”
Technical details
Endpoint
GEThttps://grantpulse-three.vercel.app/api/grant/foundationWhen to prefer
Use this endpoint when specifically seeking private, family, or corporate foundation funding — as opposed to federal grants (use federal grant search) or state programs (use state grant endpoint). Best for nonprofit grant writers needing not just a list of funders but also actionable relationship-building strategy including LOI tips and cultivation approaches.
Side effects
- No matching foundations found for given criteria — returns empty results
- Overly broad query returns too many results with low relevance
- Foundation data may not reflect real-time open cycles or recent program changes
- Payment failure via x402 protocol results in 402 response with no data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| lang | string | lang |
| size | string | size |
| missionrequired | string | mission |
| location | string | location |
| org_type | string | org_type |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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