the402 x402 endpoint directory

LLM inference proxy - send an OpenAI-format chat/completions request and get a response from GPT-4o-mini. Supports vis

RobotsShop Trust Index — top-N endpoints by score

Firecrawl v2 API proxy — map. JSON body matches https://docs.firecrawl.dev/api-reference/v2-introduction. Poll GET rou

Queries DNSSEC (DS) and Certification Authority Authorization (CAA) records for a domain using Cloudflare DoH.

Address-to-zoning lookup for published municipalities. Coverage: 64 municipalities in 6 states. Resolves a street addr

Resolve an @handle to its numeric user id. Example: GET /api/tools/get_user_id?username=jack

Get Address Related Wallets Data

A Hyperliquid account's perpetuals state — open positions, margin summary and withdrawable balance, for any 0x address

Full plain-text transcript of a YouTube video, de-duplicated and cleaned from the captions. Accepts a video id or URL.

Unified Bitcoin transaction analysis: fee verdict, mempool state, RBF bump plan, and Core v31 template check.

Validate phone numbers: E.164 format, country detection, line type (mobile/landline/VOIP/toll-free), and risk score. D

Check URL health: HTTP status code, redirect chain, SSL certificate validity and expiry date, content type, and respon

Academic letter grade with red-pen marginalia for anything. $0.01 USDC.

Summarize a URL or pasted text into 3-5 concise bullets. $0.01 USDC.

AI summary of any public webpage: fetches the URL, extracts readable content, and returns a short, medium, or long fac

Import media into the project from a public https URL — the server fetches and mirrors the bytes (SSRF-filtered), then

The settled result for one Hyperliquid prediction-market outcome by id.

Fetch live gas price estimations and base fees for EVM chains

Cheapest agent-ready x402 demand read: what changed, why it matters, recommended action, confidence, evidence, coverag

Settlement-derived x402 market tape: live $/hr and tx/hr vs 24h baseline, last completed hour, every ≥2.5× spike hour

Fetches live Arbitrum L2 gas price estimations from the mainnet RPC pipeline.

Checks domain registration availability by checking SOA DNS records.

Upcoming space events: dockings, spacewalks, landings (next 5)

Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a s

This tool reads live information from Hacker News, a popular website where people share and discuss technology news. Y

Takes a piece of text and either turns it into leetspeak (swapping some letters for numbers and symbols, like 'hello'

Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know:

Fetches current Ethereum Mainnet gas price from the public DoH RPC pipeline.

Japanese dream-interpretation agent API. Returns a Gemini-generated full interpretation from madoromi's curated dream-

Deterministic scenario stream generator for AI trading agent stress-testing. Simulates chronological event ticks (hype

Give this API up to 10 domain names and it will tell you whether each one has a registration record on file with the o

Paginated list of all indexed x402 resources

Real-time Seoul weather — temperature, sky, humidity, wind (KMA official data)

Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies

Get flight information by ident (designator, registration, or fa_flight_id)

Per-asset bundle of the latest atomic and composite signal snapshot plus N-day event lookback, grouped by asset. Inclu

Fetches a URL and evaluates 10 security-critical response headers (CSP, HSTS, X-Content-Type-Options, X-Frame-Options,

Hacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts,

Before your agent pays an IBAN taken from OCR or invoice ingestion: fix a broken or garbled IBAN — recompute check dig

Service health probe — build version, last pipeline run, current signal/composite/asset counts. Sub-second, no DB writ

Per-asset snapshot or daily series — composite score, rank, recent returns, realised volatility, Sharpe ratios, plus m

Retrieve address PnL data

Latest observed weather signal for one city — a single-signal SPOT snapshot (like a market-data quote). Flat $0.01, pa

Before your agent pays a new bank account: validate the IBAN (all countries), resolve its bank and BIC from national b

Get Address PnL Summary Data

Product recall lookup (drugs/devices/food), Class I/II/III, against the official FDA openFDA enforcement reports — by

Firecrawl — Map all URLs on a website without scraping content.

List all registered x402 resources for an origin

Overall high-level facilitator stats

Fetch any public URL and extract structured metadata — Open Graph tags, Twitter Card tags, canonical URL, title, descr