the402 x402 endpoint directory

Run a transaction simulation and EVM safety preflight with gas, destination proxy evidence, and optional token securit

Sector and macro ROTATION map for agents: where money is actually going, measured as each ETF's ratio to SPY against i

24/7 crypto day-state board — 81 Robinhood-tradable coins (BTC, ETH, SOL, XRP, DOGE…). Per coin: price, 24h/7d change,

Use this when the user asks which prediction-market signal is currently designated as featured by Quotient. Returns it

Verify an x402 seller before paying it: does it exist and respond with a well-formed 402 challenge, is its own declare

Verify an FDA drug record: given a claim_type (approval, ndc, or recall) and its identifier, does that record actually

Verify an SEC filing: given a filer's CIK and a claimed accession number, does that filing actually exist, and does it

Verify a GitHub repo: does it exist, is it archived or disabled? Catches an agent recommending or depending on a repo

Verify a package: does it exist, is it deprecated or yanked, and does it have known vulnerabilities? Checked against t

Verify a URL: does it resolve, what's the final status and redirect chain, is it archived on the Wayback Machine, and

Verify a citation: does it exist, is it retracted, and do the given title/authors/year/journal match the canonical rec

Resize, crop, compress, convert (WebP/AVIF/JPEG/PNG/GIF), optimize, and transform images from a natural-language instr

Use when an agent needs rewrite. Returns Rewrite text per a natural-language instruction (tone, formality, simplificat

Use when an agent needs classify. Returns Single-label text classification against 2-20 caller-supplied labels — reply

Locus public pay-per-use API

X/Twitter profile lookup for AI agents - full public account details for any handle, no API key or login. Returns disp

Use this to fetch full Quotient intelligence for up to ten markets across Polymarket International, Polymarket US, Kal

Resolve a company identity across GLEIF legal-entity records, SEC EDGAR public-company filings, and authoritative RDAP

The latest stored reading for a host: three rating instruments plus what it answered when asked — dated, never live, a

VIN decode (x402; 402 first, $0.005, Base then Solana)

Full multi-exchange liquidation map snapshot for a Binance USDT-M perp: modeled leverage clusters, real forceOrder lev

Settled funding rate history at per-venue, per-settlement granularity (every 8h print with its source exchange), the s

BTC or ETH options tape depth from our own recorded Deribit + OKX flow: the daily premium-flow history plus the full b

Weather forecast — Current conditions, the next 12 hours with rain probability, a multi-day forecast, and a plain answ

Use when an agent needs agent return context. Returns Accountless returning-agent context bundle with optional Bazaar,

Deterministic JSON validation and conservative repair for AI-agent payloads. Repairs unquoted object keys, single-quot

Search the live UK Companies House public register by company name to find candidate registered legal entities and Com

Turn any URL into clean structured JSON for AI agents and RAG. An LLM reads the fully rendered page (JavaScript execut

Schedule 13D and 13G activist stake filings by ticker: every beneficial-ownership filing made about a US-listed issuer

Form 144 filings by ticker — SEC notices of PROPOSED insider sales, filed BEFORE the Form 4 that reports the executed

Call this when an agent needs current significant global disaster events — e.g. before routing logistics or assessing

Local events on demand from AllEvents — event name, category, date & time, venue, city, and ticket link. Get results f

Cheapest-model router: send your token workload and get every current LLM ranked by estimated USD cost, with per-MTok

Structured art article: Art Commission Pricing Guide 2026: Rates for 75 Types of Art. Includes full Markdown, topics,

Repair caller-supplied malformed JSON by safely removing an outer Markdown fence, comments, single-quoted strings, unq

Converts data between CSV, JSON, and YAML formats.

Extract and classify links from one public page or safely crawl up to 10 same-origin pages into an agent-ready site ma

Base gas price — Live Base mainnet gas price from JSON-RPC.

Use before a coding agent installs an unfamiliar npm dependency. Returns current facts from the official npm registry:

Use before a coding agent installs an unfamiliar npm dependency. Returns current facts from the official npm registry:

Locus public pay-per-use API

Use before paying an x402 endpoint you have not used before, when you cannot tell a working seller from a trap, a test

URL-to-Markdown web extraction and context compression for AI agents. Fetch a public web page and return clean, task-r

Check text for profanity/explicit terms (wordlist-based, with basic leetspeak/obfuscation detection); returns a flag,

Trending tickers right now: StockTwits trending symbols + r/wallstreetbets hot posts with ticker mention counts. JSON.

Scrape a public webpage and extract clean readable text. Use this web scraping endpoint when an AI agent needs page co

Inspect a Base smart-contract address before interacting with it. Returns deterministic bytecode hash/size, EIP-1967 i

Find prediction-market questions priced differently on Polymarket vs. Kalshi — a cross-platform divergence signal buil

Route an agent payment to a verified, live provider and get its data back. POST {"category":"web search / extract"} or

What a Base transaction costs right now, with the RPC provider and trust level behind the number, so a caller can tell