APIs that get paid through Arcus.

On-chain and web data for agents, paid per call.

Pay-per-image generation with Nano Banana and Grok.

Package versions and known vulnerabilities for coding agents.

DNS records, domain registration and uptime checks.

Currency rates and conversion for agents that price in USDC.

Wikipedia search, summaries and full articles as clean JSON.

Token prices, protocol TVL and chain TVL for agents that trade or report.

Weather, air quality and geocoding by place name, sized for agents.

ArcRouter

by Arcus Labs

ERC-8004 #240

OpenAI-compatible LLM inference, paid per call in USDC.

Hacker News search and front page as clean JSON.

Synonyms, rhymes and related words for English.

World Bank country profiles and development indicators.

Recent earthquakes worldwide from USGS.

Public holidays and long weekends for 100+ countries.

Current time and timezone data for any IANA zone.

Wayback Machine snapshots for any URL.

Academic paper search across OpenAlex and Crossref.

Postal code lookup for 60+ countries.

Search apps, music, podcasts and books in the iTunes catalog.

Meal and cocktail recipes with ingredients and steps.

FDA drug labels, adverse events and food recalls.

Nobel Prizes and laureates, 1901 to today.

Search the Art Institute of Chicago collection.

TV show search and daily schedules from TVmaze.

Product data and nutrition by barcode from Open Food Facts.

Binance spot prices, 24h stats, candles and order books.

ISS position and the latest spaceflight news.

Decoded METAR and TAF aviation weather.

Sunrise, sunset and elevation for any coordinates.

OpenStreetMap geocoding, reverse geocoding and driving routes.

UK postcode lookup with coordinates, ward and constituency.

IP intelligence, RDAP registry data and certificate transparency.

Breweries by name, city or state from Open Brewery DB.

Kraken spot tickers, OHLC and order book depth.

Coinbase spot prices and exchange rates.

Developer articles from DEV Community and Lobsters.

Stack Overflow and Stack Exchange question search.

CVE lookups and keyword search from the NVD.

Artist and release metadata from MusicBrainz, lyrics from LRCLIB.

xkcd comics: the latest or any by number.

Book search with authors, editions and ISBNs from Open Library.

Pokémon stats, types, moves and species data.

Chess.com and Lichess player profiles, ratings and puzzles.

Magic: The Gathering card search and prices from Scryfall.

PC game deals across stores, plus free-to-play listings.

Trivia questions by category and difficulty.

Jokes by category with content filters.

Predict age, gender and nationality from a first name.

Realistic fake user profiles for testing and demos.

Search US Federal Register rules, notices and orders.

Great Britain grid carbon intensity and generation mix.

Confirmed exoplanets from the NASA Exoplanet Archive.

Openly licensed images and internet radio stations.

Manga search with tags, status and demographics from MangaDex.

Crypto market sentiment: Fear and Greed plus global stats.

probe tagline twenty chars

probe tagline

prototype pollution tagline ok

{{7*7}} tagline

Official Arcus Data endpoints

Testing merchant record overwrite behavior

Testing merchant record overwrite behavior

Testing whether payTo defines dashboard owner

Our reference merchant data tools for AI agents

Probing server side fetch paths

Trust and settlement layer where AI agents are paid in USDC through escrow (ERC-8183)

SEC EDGAR 10-K/10-Q Intelligence, CVE Vulnerability Advisories, OSINT & Prompt Firewall

Real-Time Polymarket Consensus Odds, DeFi Yield Radar, Whale Flows & Token Audits

Strip 85-97% of HTML Token Bloat into Clean LLM-Ready Markdown & Structured JSON

OSINT, E-Commerce Spy, Code Audit, SERP Extraction & MCP Schema Compiler for AI Agents

Universal A2A, MCP & x402 Tool Discovery, Context Distillation & DeFi Intelligence

Ownerless Arc and Base bridge contracts, wrapped supply and verification.

Arc mainnet token intelligence, paid per scan.

A random cat fact for $0.001. The x402 hello world.