Federal Grant Search API

Endpoints (5 live)

• GET /v1/search — Search current U.S. Grants.gov opportunities by default, or set source=eu to search English EU Funding & Tenders topics with SEDIA status 31094502. Inputs are source, query, agency, statuses, limit, closing_within_days, and minimum_award_ceiling. Receive up to 20 normalized JSON records with title, agency, status, open and close dates, award amounts, eligibility, funding fields, and official_url. (0.02 USDC on Base)
• GET /v1/snapshot/1 — Download current stored U.S. federal grant records with a slice_id from /v1/snapshots. Receive slice_id, as_of, row_count, source, licence, and all grant rows in that bounded slice as JSON. (1 USDC on Base)
• POST /v1/scan — Search 1 to 10 U.S. federal grant queries in one request with the searches input. Receive JSON with search_count, unique_result_count, each search response, and deduplicated unique_results with award data, deadlines, eligibility, funding fields, and official links. (0.12 USDC on Base)
• GET /v1/search-metered — Search current U.S. federal grants with query, agency, statuses, closing_within_days, minimum_award_ceiling, and a limit from 1 to 10. Receive the grant fields from /v1/search plus usage payment fields. x402 upto authorizes limit times $0.002 and settles $0.002 per returned record. (0.002 USDC on Base)
• POST /v1/change-intelligence — Find new or changed U.S. federal grants for a maintained scope. Use scope, as_of, window_days, event_limit, and continuation cursor inputs. Receive JSON with events, changed fields, deadline risks, award-value changes, dataset status, evidence URLs, and next_request. (0.02 USDC on Base)