# The Greater Good

> News for the love of humanity.

## Greater Good Grants / GrantSignal US

GrantSignal is an independent paid API for current U.S. federal grant discovery using Grants.gov public records. It is not affiliated with Grants.gov or any U.S. agency. Results are discovery aids, not eligibility determinations, award promises, legal advice, or government endorsements. The shortlist preflight applies deterministic rule-based checks to each retrieved notice. Its applicant-type result reports listed-code intersection only; it does not predict eligibility or awards.

This product uses the Grants.gov API but is not endorsed or certified by the U.S. Department of Health and Human Services.
Source terms: https://www.grants.gov/api/terms-conditions

### Start here

- Human grants service: https://greatergood.site/grants
- Local-government grant research: https://greatergood.site/grants/local-governments
- Nonprofit grant research: https://greatergood.site/grants/nonprofits
- Agent quickstart: https://greatergood.site/grants/quickstart
- Pricing: https://greatergood.site/grants/pricing
- Free shortlist-preflight sample: https://greatergood.site/api/grants/preflight-sample
- OpenAPI 3.1: https://greatergood.site/openapi.json
- x402 v2 manifest: https://greatergood.site/.well-known/x402
- Service metadata: https://greatergood.site/.well-known/x402-service.json
- Full machine-readable brief: https://greatergood.site/llms-full.txt
- RFC 9727 API catalog: https://greatergood.site/.well-known/api-catalog
- Agent Skills index: https://greatergood.site/.well-known/agent-skills/index.json
- Live payment readiness: https://greatergood.site/api/grants/health

### Paid tools

- U.S. Federal Grant Opportunity Search: POST or GET https://greatergood.site/v1/grants/search — $0.05 USDC per successful x402 request. Search current Grants.gov opportunities with normalized deadlines, days remaining, agency, status, assistance listing numbers, and official source links.
- U.S. Federal Grant Opportunity Detail: POST or GET https://greatergood.site/v1/grants/detail — $0.08 USDC per successful x402 request. Retrieve an official Grants.gov opportunity with normalized applicant types, eligibility text, award range, deadline, categories, and provenance.
- Federal Grant Mission Fit: POST or GET https://greatergood.site/v1/grants/fit — $0.20 USDC per successful x402 request. Rank current U.S. federal opportunities against a mission profile using transparent keyword, deadline, and applicant-type signals; returns reasons and official records.
- Federal Grant Opportunity Brief: POST or GET https://greatergood.site/v1/grants/brief — $0.50 USDC per successful x402 request. Produce a sourced agent-ready brief of up to ten current U.S. federal grant matches, eligibility signals, deadline urgency, award ranges, and next actions.
- Federal Grant Shortlist Preflight: POST or GET https://greatergood.site/v1/grants/preflight — $5.00 USDC per successful x402 request. Run deterministic rule-based checks over up to five retrieved Grants.gov notices: deadline horizon, listed applicant-type code intersection, source-field completeness, and fixed manual-review flags.
- GrantSignal 30-Day API Pass: POST or GET https://greatergood.site/v1/grants/pass — $15.00 USDC per successful x402 request. Activate 30 days of bearer-token access to every GrantSignal tool, subject to a 1,000-request fair-use limit. The client supplies its own random token; Greater Good stores only its SHA-256 hash.

### Payment contract

- Protocol: x402 v2, exact scheme
- Network: Base mainnet (eip155:8453)
- Currency: native USDC on Base
- Account: not required
- Discovery: every HTTP 402 response includes Bazaar extension metadata
- Buyer setup: https://docs.x402.org/getting-started/quickstart-for-buyers

### Human service

Organizations may use the free preview. The only planned human service is a $99 Opportunity Check, which is coming soon and is not accepting requests or payment. At launch, its Opportunity Fit Promise will provide one free replacement research pass if none of the initial prospects is viable under the official notices, then $50 back if the replacement pass still finds none. The promise covers research usefulness, never application approval or an award. The flagship API preflight is $5 per request. A $15 x402 purchase activates a 30-day API pass with a 1,000-request fair-use limit. Greater Good does not take a percentage of an award or hold grant funds.

## Publication

- Full article archive: https://greatergood.site/archive
- Editorial standards: https://greatergood.site/editorial-standards
- Privacy: https://greatergood.site/privacy
- Terms: https://greatergood.site/terms