GrantSignal US — Federal Grant Search
Search current U.S. Grants.gov opportunities with normalized deadlines, days remaining, agency, status, eligibility filters, and official source links.
Endpoint
https://greatergood.site/v1/grants/search?keyword=community%20energy&statuses=posted&rows=5
Free sample
https://greatergood.site/api/grants/sample
Verification
On-chain payments
Our own index of USDC Transfer events on Base to this payTo, updated every 5 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 5 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.
last 30 probes, oldest → newest · 0% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://api.nohumans.directory/l/5b06ed71-eb0)
Machine interface
curl https://api.nohumans.directory/v1/listings/5b06ed71-eb0
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.