REST + MCP. The premium artifact is gated by x402 (keyless USDC on Base) or a paid API key.
# Free preview (signal + summary), full artifact behind x402 / key: GET https://govconwatch.dropwatchhq.com/v1/entity_watch?name=ALS%20Group%20USA%20Corp&uei=CRQRFBL86HN9 # Free live sample of EXCLUDED_WHILE_ACTIVE artifacts: GET https://govconwatch.dropwatchhq.com/sample # Full cross-join scan (paid): GET https://govconwatch.dropwatchhq.com/v1/scan?limit=50 # Recompete flip (incumbent about to lose): GET https://govconwatch.dropwatchhq.com/v1/recompete_flip?naics=561210 # 10-K vs award contradiction: GET https://govconwatch.dropwatchhq.com/v1/contradiction?ticker=LDOS
Endpoint: https://govconwatch.dropwatchhq.com/mcp — JSON-RPC 2.0 (initialize, tools/list, tools/call).
| Tool | Price | What |
|---|---|---|
govcon_entity_watch | $0.10 (x402) | Full dated evidence artifact: SAM exclusion × active awards. |
exclusion_check | free | Is this entity on the seeded SAM firm exclusion index? |
recompete_flip | free | Incumbent about to lose a recompete (NAICS). |
contradiction_check | free | 10-K vs federal-award contradiction (ticker). |
curl -s https://govconwatch.dropwatchhq.com/mcp -H 'content-type: application/json' -d '{
"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"govcon_entity_watch","arguments":{"entity":"ALS Group USA Corp","uei":"CRQRFBL86HN9"}}}'
Unpaid calls return a free preview + an x402 challenge. Retry with an X-PAYMENT header (or x402-fetch) to unlock the full artifact. Discovery: /.well-known/x402 · /llms.txt.
{
"signal": "EXCLUDED_WHILE_ACTIVE",
"asOf": "2026-06-22T...Z",
"entity": { "name": "...", "uei": "...", "cage": "..." },
"exclusion": { "excludingAgency": "EPA", "exclusionType": "...", "activeDate": "2026-06-01", "sourceUrl": "https://sam.gov/search/?index=ex" },
"federalAwards": [ { "awardId": "...", "agency": "...", "periodOfPerformance": {...}, "stillRunning": true, "sourceUrl": "https://www.usaspending.gov/award/..." } ],
"summary": { "activeAwardsNow": 5, "totalActiveDollarsAtRisk": 150000 },
"statement": "As of , SAM.gov shows EXCLUDED ...; USAspending shows active award <#> ...",
"disclaimer": "DATED PUBLIC-RECORD EVIDENCE, NOT A COMPLIANCE DETERMINATION ..."
}