the402 x402 endpoint directory

SYNTHORA stablecoin-depeg: depeg radar for 8 major stablecoins (USDT, USDC, DAI, USDS, USDe, PYUSD, USDD, FDUSD), each

SYNTHORA port-watch: daily port activity for any of 2,065 ports (Shanghai, Singapore, Rotterdam, LA, Long Beach preset

Historical Polymarket trade query with filters plus per-wallet aggregation. $0.01 USDC x402 Base.

SYNTHORA noaa-tides: tide and water level for US ports/stations, VERIFIED by crossing NOAA harmonic prediction with th

SYNTHORA marine-wave-forecast: sea state for any coast/port or chokepoint (Hormuz, Suez, Panama, Malacca, Gibraltar, B

SYNTHORA hurricane-odds: active tropical cyclones CROSS-VERIFIED — official NHC bulletin (category, wind, pressure, mo

SYNTHORA historical-weather: verified historical weather for any place and date (1940 → ~5 days ago) from the ERA5 rea

SYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by t

SYNTHORA fed-watch: US reference-rate funding pulse — SOFR/EFFR/TGCR/BGCR/OBFR with volumes, percentile dispersion and

SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB off

SYNTHORA ecb-macro: official eurozone macro from the ECB data warehouse — HICP inflation, MRR policy rate, 10Y govt yi

SYNTHORA chokepoint-transits: daily vessel transits through the 28 global maritime chokepoints (Hormuz, Suez, Panama,

Top trending prediction events by 24-hour traded volume: a normalized list with 24h and total volume, liquidity, marke

Combine a current market quote with official recent SEC filing and insider-ownership filing metadata in one sourced co

Inspect the certificate returned by a live TLS handshake, including validity, issuer, subject, authorization, and SHA-

Search live Lobbying Disclosure Act filings from the U.S. Senate LDA database by filing year, client, or registrant. R

Read the current eth_gasPrice value from a supported public Base, Ethereum, or Arbitrum JSON-RPC endpoint.

Fetch a current third-party aggregated model-pricing snapshot from LiteLLM. Buyers should verify final pricing with ea

Pay FLINT $0.01 to scan a separate intended agent transaction before it executes; returns a signed decision record and

CVE lookup and vulnerability search — resolve a CVE ID via OSV and return summary, severity, affected packages, and re

SYNTHORA gdelt-tension: geopolitical tension index for any topic/country — news-mention spike vs 7d baseline, average

Create an upload session for a new hosted Next.js site. Call this first when deploying a new project: it returns a pre

Fetch Open Graph / meta metadata (title, description, image, favicon, canonical URL) for a public URL.

JPYC Service Monitor: weekly change feed for Japan-related JPYC and Web3 services. Each event is dated, typed (added /

Single-signal check: can AI agents pay this website? Detects x402 support, /.well-known payment discovery and agent-co

Single-signal check: does this website expose MCP / WebMCP tooling AI agents can call? Returns yes/no plus the underly

Minneapolis rental license check: is this property licensed? Property due diligence agent path for Minneapolis Minneso

Recent IPs caught probing Polyform's honeypot paths (credential/vuln scanners) — Polyform's own first-party telemetry,

Property due diligence agent for US housing compliance open data. Is this property licensed? Single-address rental lic

Is this property licensed in Montgomery County MD? Property due diligence agent for MoCo housing compliance open data

Chicago building violations address check: open DOB code cases for a street address. Property due diligence agent for

Denver short term rental license check: is this property licensed for STR? Property due diligence agent for Denver Col

Seattle rental registration check (RRIO): is this property licensed / registered? Property due diligence agent for Sea

NYC HPD violations address check: is this property licensed / HPD-registered, and are there open Housing Maintenance C

SYNTHORA endpoint-trust: trust verdict for any x402 endpoint before paying it — 402 correctness, valid accepts/payTo,

Verify an AI agent's authority and integrity before a transaction; returns a four-state verdict, a signed verification

Transcribe audio (or the audio track of a video) to text with Deepgram Nova-3 — podcasts, calls, voicemails, interview

Full-text search across SEC filings; filter by form type. Returns filing metadata and links. Source: SEC EDGAR full-te

[SIGNAL+PROOF] One official signal record for any signal_id and entity: current reading against the OFFICIAL threshold

Proposer feed for prediction-market settlement: SEC EDGAR official facts mapped to a machine-friendly answer / timesta

[SIGNAL+PROOF] Census record for one stablecoin (?symbol=): market cap, price, depeg state, lifecycle and time series,

[SIGNAL+PROOF] Census record for one MCP server (?name=): status, missing_streak, lifecycle, record_hash. DEGRADED DEL

[SIGNAL+PROOF] Demand record for one x402 service (?service=): demand_class (REAL/SOLO/PROBE/WASH), calls_30d, unique_

KicksDB — search sneaker/streetwear products (~0.05¢). Params: `marketplace` (stockx | goat | shopify | snkrs | kream

Search 250M+ scholarly works (OpenAlex — successor to Microsoft Academic Graph). Pass `search` and/or `filter` (comma-

Measured Circle CCTP v2 attestation latency: Fast/Standard distributions (never blended), first-party burn polling. Bo

Use when an agent needs to publish a multi-file HTML/CSS/JS site to a public URL without an account or API key. It ver

SYNTHORA weather-now: current weather for any city or lat,lon — temperature, feels-like, humidity, wind, WMO condition

Get a person's emails straight from their LinkedIn profile URL via ContactOut (recruiter-grade data; returns WORK and

US consumer product recalls from the CPSC — the regulator covering everything FDA and NHTSA do not: furniture, toys, a