the402 x402 endpoint directory

Realized volatility for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT): 7-day

Crypto market-wide derivatives snapshot: funding rate, open interest, mark price, and 24h volume for all 17 perpetual

Reddit Search - Search Reddit posts

Structured market digest for any of the 16 supported crypto assets. Deterministic composite from live signals: derivat

Renders a webpage exactly as a real browser would, including all its scripts and dynamic content, then takes a picture

Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAl

Live ground and going conditions for 35 global racecourses. For horse-racing betting agents.

Wallet risk pre-flight (POST wrapper, body: {wallet}) — OFAC + address-reputation → allow/review/block. $0.02 USDC.

Pollable tape of follow/unfollow transitions by Robinhood Chain principal accounts on X — each followed handle crossed

Hotel reviews — a hotel's guest reviews by property token: rating, date, text, per-aspect subratings, highlights & the

Apple App Store reviews — pull an app's user reviews by numeric product_id: title, text, rating, version, author & dat

Google Maps local business search — find places by query and map location (coordinates viewport), returning ratings, r

Institution research-output benchmark for grant offices, research-strategy agents, and comparison shopping — works cou

Stablecoin parallel-rate premium — how far the street price of a digital dollar (per-venue USDT quotes) diverges from

Live job postings without scraping: company= returns an employer's current openings straight from their official ATS b

Agent service discovery and search endpoint. Search and filter available x402 API endpoints by category, maximum query

Itemized fee breakdown and net P&L for any arbitrage trade — fees, slippage and gas. For arbitrage and trading agents.

Returns valuation, profitability, liquidity, and growth ratios for a company.

GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the

eBay listings search — live prices, condition, shipping, seller reputation, auctions & Buy It Now across supported reg

DuckDuckGo Maps local business search (Apple Maps + Tripadvisor data) — find places by query and location, returning r

On-chain wallet snapshot on Base: native ETH and tracked ERC-20 token balances (USDC, WETH) plus account flags (contra

Bibliography verification for AI research agents — POST up to 20 citations (DOIs or free-text references) and get a pe

Strait of Hormuz per-vessel intelligence: the live-AIS vessel manifest (MMSI-keyed, flag derived from the MMSI MID), t

Coinbase price premium vs composite spot median (OKX + Kraken + Binance). premium_pct = (coinbase / composite_median −

Paginated list of resolved forecasts with actual outcomes. Each row shows the original ML prediction and its real-worl

Eight quarters of a US public company's reported fundamentals, straight from SEC XBRL. Answers "Apple revenue last 8 q

Multi-list sanctions compliance bundle for AI agents: OFAC SDN wallet address screen + entity name sanctions (OFAC/EU/

CFTC Commitments of Traders positioning, parsed from the official dataset. No LLM. Answers "are hedge funds long S&P f

Cross-exchange spread tick — ONE $0.02 call returns the live executable spread for a pair across Binance, Coinbase, Kr

Returns recent articles, company news with a ticker or market news without.

Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS,

Scores for the most-traded US stocks — the liquid mega-caps agents actually trade. One read returns the top names by 2

Historical hourly AI intelligence digests (1-24 hours lookback). Track how AI agent sentiment, topics, and narratives

FDA recalls and adverse events. Drug, device, and food recall and adverse-event records from openFDA with classificati

Remove the background from an image and return a transparent PNG, paid per request in USDC on Base via x402, no API ke

DeFi TVL and protocol data. Total-value-locked for DeFi protocols and chains via DefiLlama — TVL, category, chains, an

Extract the full text of any PDF from a URL - no upload, no OCR setup, just pass the link. Returns plain text plus pag

Live web search as clean JSON: ranked results with title, URL, snippet and age from an independent search index, fresh

Author and researcher profile search. An author name returns matching researchers with current affiliation, publicatio

Consumer product recalls. A normalized multi-agency recall feed spanning FDA, CPSC, and NHTSA — product, reason, compa

Financially verified marketplace metrics plus clearly labelled aggregate discovery signals

Radar of the freshest Base token launches (newest DEX pools), lightly pre-screened by liquidity/age/flow with quickFla

Pollable stream: fresh RH-chain calls by measured early-callers (included fair-use on Agent/Signal Feed keys)

Tokens ranked by measured caller-accuracy weight (then independent voices, then mention count) — mutual-follow cluster

GFS+ECMWF ensemble temperature probability for NWS weather prediction markets

eBay listing detail — one listing by product id: buy options & current bid, variants, shipping to a supported destinat

Apple App Store search — find iOS apps by term and get id, developer, price, rating, genres, description, size, icon &

Apple App Store product details — full profile for a single app by product_id: rating, price, description, version his

Google Maps local business search by place name — find places by query and a free-text location (e.g. 'Austin, Texas')