the402 x402 endpoint directory

Decision-ready funding-arb SIGNAL for crypto perpetuals — cross-venue gross spread taken net of public round-trip take

End-to-end email-auth report for a domain: SPF + DMARC + DKIM (probes common selectors automatically) + MX records + s

Is this x402 endpoint safe to pay? Reads the endpoint's own payment challenge under BOTH protocol versions — v1 body a

Which live agents can do X? Searches what ERC-8004 agents DECLARE about themselves — skills, domains, name — across th

Ten-minute snapshots of price, 24h volume, open interest and 8h-equivalent funding per venue and symbol across 56 feed

Every recorded position change of the 300 largest Hyperliquid accounts by equity (opened, closed, increased, reduced,

Settled funding rate history of the top-40 Binance TradFi perpetuals at per-settlement granularity, recorded from 2026

Five minute open interest history for the top-40 Binance TradFi perpetuals (US, HK, KR and CN equities, commodities, i

Structured extraction: give a JSON Schema plus a URL or raw text, get back JSON matching the schema.

Return AgentBodega's Public Data department offerings grouped by category with full input/output schemas, prices, rout

One-call web research for AI agents: searches the live web AND reads the top result pages as clean markdown — content,

Explorer-grade profile of any address on any Blockscout-hosted EVM chain: native balance, contract vs externally-owned

Any RSS, RSS/RDF or Atom feed parsed into one shape: title, link, ISO date, author, summary and categories. Pass since

You.com Search API: real-time web search returning ranked results grouped by section (results.web, results.news), each

Get members of an X community.

Safety verdict for one Solana token mint: a graded risk score with the concrete reasons behind it, mint and freeze aut

FX reference rates — ECB reference foreign-exchange cross rates.

Live gas price on Ethereum, Base, Arbitrum, Optimism or Polygon, in gwei plus the cost of a plain transfer. Compare se

Upcoming space launches worldwide from Launch Library 2 (The Space Devs): launch window (NET, window start/end), provi

Circulating supply per stablecoin from DeFiLlama with computed net flows (delta_24h/delta_7d/delta_30d = net mint minu

Normalized crypto perpetuals snapshot across Binance, Bybit and Hyperliquid in one call: current funding rate, funding

Base-image due diligence from the Docker Hub API v2: repository status, star and pull counts, last_updated with derive

Support/EOL schedule from endoflife.date (open data, ~350 products: python, nodejs, ubuntu, postgresql...) with derive

One merged call instead of two: latest-version metadata from the official npm registry plus last-week download count f

Hourly sea-state forecast from Open-Meteo Marine wave models: wave height/direction/period, wind waves and swell, up t

Active weather alerts from the US National Weather Service (NOAA, public domain, real-time feed). Query: ?area=CA (2-l

Monthly average interest rates the US Treasury pays on its outstanding securities, from the official FiscalData API (A

Annual macroeconomic series from the World Bank Indicators API, normalized JSON. Query: ?country=USA&indicator=FP.CPI.

Wholesale day-ahead electricity prices in EUR/MWh per European bidding zone, from the Energy-Charts API (Fraunhofer IS

Public holidays and school holidays with subdivision granularity (German Laender, French academies, Spanish communitie

Latest euro area risk-free spot yields from the ECB Data Portal (dataset YC, AAA-rated central government bonds, Svens

Consolidated MiFIR reference data for one ISIN, from the official ESMA FIRDS register (updated daily). Query: ?isin=FR

Official Swiss commercial register via Zefix (Federal Office of Justice). Search: ?q=swisscom (company name, 3+ chars)

Adds N French business days to a date (?start=2026-07-13&add=30) or counts them over a range (?from=2026-07-01&to=2026

Official risk register for any French commune from the GeoRisques GASPAR database (BRGM / Ministry of Ecological Trans

Official DPE energy certificates for existing French dwellings from the ADEME dpe03existant dataset (Licence Ouverte 2

Official French company registry search via recherche-entreprises.api.gouv.fr (INSEE Sirene data, updated daily). Quer

Killip and Kimball 1967 myocardial-infarction heart-failure class 1-4 as assigned by the caller. Returns the published

PaO2/FiO2 ratio as arterial PO2 in mm Hg divided by inspired oxygen as a fraction (0.21–1.0). Returns the ratio rounde

Currency exchange rates — Reference FX rates (ECB) with optional amount conversion.

KYB / KYC verification of a Japanese company: reconcile a company name (+ optional address) against the official JP co

Look up a Twitter/X user profile by their screen name. Returns full profile data including id, name, username, bio, fo

Moderate text content using Claude Haiku — flags categories like harassment, hate, sexual content, violence, self-harm

OpenAI-compatible text embeddings API (alias of /v1/embeddings for api/v1-style base URLs) — input as a string or batc

OpenAI-compatible text embeddings API — standard /v1/embeddings request shape: input as a string or a batch of up to 1

Live prediction-market odds from Polymarket — list the top active markets by volume, or search by keyword. Each result

Expressive text-to-speech in any of 20 voices: 10 standard (M1-M5, F1-F5) plus 10 personas (Storyteller, Narrator, Ann

Acker 2015 SIPA: heart rate in bpm divided by cuff systolic pressure in mm Hg, rounded to two decimals. Elevated if th

Pay-per-call: Signal Sprint Base USDC Balance

Keyless off-chain company enrichment vectors