the402 x402 endpoint directory

Get current weather conditions and a one-to-seven-day forecast for a geocoded location from Open-Meteo.

Check one Base mainnet wallet or contract for ETH and official USDC balances, transaction nonce, and contract-bytecode

Use when an agent needs bazaar trending. Returns x402 Bazaar trending report: services gaining settled calls and uniqu

Use when an agent needs bazaar new listings. Returns x402 Bazaar new listings: resources that appeared in the latest d

Use when an agent needs bazaar seller rank. Returns x402 Bazaar seller leaderboard: top 25 seller addresses ranked by

Use when an agent needs x402 facilitator health. Returns Live health probe of the two x402 facilitators this service s

Use when an agent needs base usdc balance. Returns Check a Base wallet’s USDC balance on the canonical Base USDC contr

Use when an agent needs base tx status. Returns Return Base transaction success or revert state, block number, confirm

Use before spending tokens, money or crawler capacity fetching an unfamiliar web resource. Resolves redirects (manuall

Use before spending tokens, money or crawler capacity fetching an unfamiliar web resource. Resolves redirects (manuall

Freight carbon: CO2e for road/rail/sea/air shipments by weight × distance, single-leg or multi-leg intermodal. Ports/a

YouTube video transcript extraction with per-segment timing. Returns the caption track as timed segments (start, durat

Latest surface observation from the nearest National Weather Service station to a US coordinate, with the station iden

Search or list active Polymarket prediction markets, ranked by 24h volume

Search or list open Kalshi prediction markets (regulated US event contracts)

Fetch a public HTTP(S) page with private-network blocking and extract its title, description, Open Graph image, status

Official National Weather Service forecast for any US coordinate - six 12-hour day/night periods by default, or hourly

Active National Weather Service watches, warnings and advisories for a US coordinate or a two-letter state or marine a

Return the US Census Bureau geographies containing a latitude/longitude — state, county, census tract, block group, ce

Convert a one-line US street address into coordinates using the US Census Bureau Geocoder. Returns the standardised ma

Find Legal Entity Identifiers by company name in the global GLEIF register, optionally narrowed to one country. Return

Fetch Open Graph / meta metadata (title, description, image, favicon, canonical URL) for a public URL - served from a

Raw and decoded METAR (and optional TAF) for any airport ICAO code. Source: NOAA Aviation Weather Center. JSON.

Latest observed conditions near a US coordinate: temperature, wind, humidity, visibility, pressure from the nearest we

Hour-by-hour forecast for any US coordinate: temperature, precipitation chance, wind, conditions for the next 48 hours

Active watches/warnings/advisories for a US state or coordinate: event type, severity, headline, timing. Source: Natio

7-day forecast for any US coordinate: periods with temperature, wind, precipitation chance, narrative. Source: Nationa

Can this domain receive mail, and is it configured seriously? MX, SPF and DMARC via DNS-over-HTTPS with a deliverabili

EPA MPG figures and estimated annual fuel cost for a year/make/model. Source: fueleconomy.gov. JSON.

Latest surface observation from the nearest National Weather Service station to a US coordinate, with the station iden

Convert a one-line US street address into coordinates using the US Census Bureau Geocoder. Returns the standardised ma

Spend-based carbon (Scope 3): convert a transaction amount + industry code (MCC/NAICS/BEA/ISIC/SIC/NACE) into verified

Look up an on-chain transaction by hash. Given a chain and a transaction hash returns sender, recipient, value (wei +

Research and market-monitoring agents buy this endpoint to answer a focused question with a compact live market snapsh

Active National Weather Service watches, warnings and advisories for a US coordinate or a two-letter state or marine a

Official National Weather Service forecast for any US coordinate - six 12-hour day/night periods by default, or hourly

Find Legal Entity Identifiers by company name in the global GLEIF register, optionally narrowed to one country. Return

Return the US Census Bureau geographies containing a latitude/longitude — state, county, census tract, block group, ce

Run a low-cost wallet balance lookup for native ETH and official USDC on Base, Ethereum, or Arbitrum, with an estimate

Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call,

Look up a DeFi protocol's current total value locked (TVL), by chain, plus market cap

Prüft eine europäische Umsatzsteuer-Identifikationsnummer auf Länderpräfix, Länge, Zeichenvorrat und Prüfziffer, sowei

Erkennt CMS, Shop, Framework, Server, CDN, Analytics, Consent-Tool, Zahlungsanbieter und Marketing-Stack aus Headern,

Vollständiges Domainprofil: A/AAAA/MX/NS/TXT/CNAME/SOA, Mail-Setup (SPF, DMARC, DKIM-Hinweis, MTA-STS), TLS-Zertifikat

Check a specific dataset, paper, repository, or model URL against the indexed open-science corpus and receive a conser

Search recent UK public-sector procurement notices from Find a Tender -- buyer, value, CPV category, and status. Publi

Returns a license-compliance view over the same locally harvested metadata-only index of public scientific assets as t

Emission-factor lookup: fetch the underlying factor (value, unit, methodology, source, licence) by id, activity_type,

Flight carbon: great-circle CO2e for a route by IATA/UN-LOCODE or lat/long, by cabin class and passengers, with option

Batch activity-based carbon: many activity calculations in one call (1–100 items). Priced per item.