the402 x402 endpoint directory

Returns recently detected malicious addresses on Base.

Holiday date check by country or subdivision — determine whether one ISO date is an official public holiday.

OnRamperX is a non-custodial value router for agents and humans: fiat<->crypto and cross-chain via one quote interface

Find nearby supported lab collection locations or official locator handoffs.

Wikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, i

The Hyperliquid perpetuals universe — tradeable symbols with max leverage and size decimals, without live context.

NWS weather forecasts for 5 US cities (NYC, LA, Chicago, Houston, Miami)

Returns recent analyst desk posts as a stream.

Searches X with filters or raw advanced search syntax.

Supported perpetual-futures trading pairs — the list of symbols (BTCUSDT, ETHUSDT, …) the funding-rate scanner and sig

Add business days while skipping weekends and full-day Public or Bank holidays; Optional and HalfDay observances are r

GLEIF LEI lookup for AI agents — Legal Entity Identifier search by LEI code, legal name, or domain. Keyless Global LEI

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

Twenty-Four answer check — verifies a 24-game arithmetic expression with exact rational math against the deterministic

DNS MX record lookup — a domain's mail servers with their hostnames and priorities as structured JSON, for email routi

What is the current state of Base? Latest block number, timestamp, base fee and suggested gas fees in a single cheap c

Get complete public information for an X community.

Eagle Eye v1.0.0 — U.S. enterprise-grade wallet compliance screening. OFAC SDN + Circle USDC blacklist on Base. Signed

Current space-weather conditions — normalized NOAA SWPC Kp, solar wind, magnetic field, and X-ray flux used for solar-

Returns DeFi yield pools with APY, TVL, project, and chain.

Returns historical DeFi TVL across all chains.

Trending crypto coins in the last 24h — the most-searched tokens on CoinGecko right now with name, symbol and market-c

OHLC candlestick data for crypto — daily open/high/low/close candles over 1-365 days for any coin by CoinGecko id, cha

Historical telemetry from our retired grid-trading bot - allocation, reconciled P&L, signal votes, and the human-appro

Checks if a recipient is a known malicious address.

Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge fo

Live reliability feed of x402 endpoints on Base: which services are up, return a valid 402 envelope, and how fast — fr

What agents actually pay for on a 500+ tool x402 catalog - the paid intelligence layer over Agent402's own sales ledge

Trivia Daily answer check — validates one opaque choice ID and explains correct answers from the curated record.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host re

Returns a paginated timeline of posts from an X user.

Did it happen? Check whether a prediction market event has settled on Polymarket or Kalshi and get the resolved outcom

RDAP domain registration lookup: structured registrar, creation/updated/expiry dates, status, nameservers and a comput

Extract clean readable text and metadata from a public webpage and return structured JSON for AI agents.

What agents want that no one is serving yet - the paid intelligence layer over Agent402's agent-demand board, for x402

Validates email deliverability with syntax and MX checks.

Returns the official PTAX USD/BRL rate used in contracts.

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

Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estimate for

Macro economic snapshot API — dated Eurozone economic indicators for trading/research agents: euro-area inflation (HIC

Attested verification-event custody: seal the fact that an identity/liveness/KYC check ran, its method, provider, and

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

Structured live crypto market data for ~50 top assets in one JSON call: spot price and 24h open/high/low/volume/change

Current mid price for every Hyperliquid asset (perps + spot) in one call — a fast whole-venue price snapshot.

Trivia Daily knowledge challenge — answer one deterministically selected and shuffled question from a curated local se

Crop-weather stress for the Brazilian belts that price global commodities: 7-day observed rain, 7-day FORECAST rain, c

Is this address on the OFAC SDN list? $0.005 detailed sanctions screen for agents (same list as $0.001 wallet-screen,

Market regime classifier for trading agents — is the tape risk-on or risk-off right now? Returns a regime verdict per