Is this URL up? Live check: HTTP status, every redirect hop, response time, content type and size, server and security headers (HSTS, CSP).

DNS lookup for up to 10 domains in one call: A, AAAA, MX, NS, TXT, CNAME, CAA and SOA records as structured JSON.

Crypto market Fear & Greed index: today's score (0-100) and classification, plus up to 30 days of history for trend.

Public holidays for a country and year, and optionally the number of business days between two dates (weekends and national holidays excluded).

Encyclopedia summary of a topic: title, one-line description, the lead paragraph as plain text, thumbnail and article link, in any language edition.

UK council tax bands A–H by postcode.

Buyer-side payment firewall: should THIS agent make THIS payment now? Where /api/assess vets the seller, this vets the payment against your own agent's behaviour. POST {agent_id, payment:{payto_address,amount,resource_url}, context?:{untrusted_text,intended}, policy?} returns allow/hold/block plus 9 signals incl. routing_anomaly, velocity, amount_anomaly, injection_destination, intent_mismatch. Stateful per agent_id.

Verify an on-chain payment without trusting any RPC: did this tx transfer at least this amount of a token (default USDC) to this payee, optionally from this payer? Proven by Plumb (Base via proof-backed L1 checkpoints, Ethereum via a light client, XRP Ledger via a quorum of Ripple's validator…

Fused directional trading signal with confidence score

Convert a table to CSV without changing any value; verified by round-trip.

Assess an x402 counterparty before paying. POST {target:{payto_address}, payment_context?, policy?}; payto may be a 0x EVM (Base) or base58 Solana seller. Returns risk_score 0-100, decision allow/review/block, confidence, coverage, per-dimension signals, key_factors (what drove the score) and a ready-to-apply recommended_policy. Scored from on-chain settlement behaviour, OFAC sanctions = hard block.

Same input as /api/assess, but returns a trimmed action-oriented view: the allow/limit/deny decision plus a wallet-ready spending policy (max_payment_usdc per-counterparty cap, daily_cap_usdc, add_to_denylist, require_human_approval) an agent can apply directly to its wallet limits.

Enriched prospect record: everything in Basic plus buying signals (last 90 days of news, SEC filings), open roles from public job boards, a 0-100 ICP fit score with reasons (optional icp input), a sales brief built only from cited facts, next actions and roles to target. Every item cites a source URL. No people are named unless public. $0.75 USDC.

Email lookup. Hunter's real status (valid, accept_all, unknown), found vs inferred, sources. $0.08, charged only when an address is returned.

TAP Certified referee fee for one job with a budget up to $25.00: the seller's code is judged on the buyer's hidden tests in a sealed sandbox, and the escrow pays out or refunds on the verdict.

Basic company lookup. Give a company name and/or domain. Returns summary plus firmographics: industry, HQ city/country, founded year, employee count and size range, stock ticker, LinkedIn and X links. Each field cites its source (Wikidata, Wikipedia, company site, SEC EDGAR) with checked_at; unknown fields are null, never guessed. $0.10 USDC.

Dealer (smart-money) 6-signal scan across A-shares — accumulation/breakout/big-order flow.