PLEXUS Intelligence API
163 pay-per-call x402 endpoints: US federal regulatory data (EPA, SEC, FEC, OSHA, FDA, CourtListener, Congress.gov, GLEIF, WorldBank, SAM.gov and 15+ more), 12 AI reasoning engines (Tribunal, WHETSTONE, POSTCOG, G-Score, Verify), and 5 composite intelligence products (Company Risk, Political Intel, Supply Chain Risk, Healthcare DDIL, Nonprofit Intel). Base + Solana mainnet. No API keys.
Endpoint
https://plexus-public-production.up.railway.app
Verification
Sustained protocol conformance over many checks from our infrastructure. Says nothing about content accuracy.
On-chain payments
Payment shape (24 most recent sampled): 24 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).
Peak day 2026-09-26: 1 payments. Last indexed day 2026-09-26: 1. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. Methodology.
last 30 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
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Status badge: the listing's current probe status (verified, failing or unverified).
[](https://nohumans.directory/l/54dc47a1-9ed)
Machine interface
curl https://nohumans.directory/v1/listings/54dc47a1-9ed
Claimed and maintained by the verified service owner.