Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
email-auth.use.x402atlas.com
Checks a domain's SPF, DMARC, DKIM and MX records and returns the parsed results as JSON, flagging common gaps such as SPF +all, more than 10 SPF DNS lookups, DMARC p=none and missing DKIM selectors.
news.apitoll.cloud
Pay-per-call API returning Cointelegraph crypto news: latest feed or full-text search, with article body and view counts, across 14 locales. bash.001 USDC per call, on Base or Solana.
dns.use.x402atlas.com
Pay-per-call DNS and domain lookup API with six endpoints: A, TXT and MX records, WHOIS text, parsed RDAP registration data and DNSSEC status, all returned as structured JSON. Flat $0.005 per call, payable on Base or Solana.
stabletravel.dev
Pay-per-request travel API for flight search, award seat availability, hotels, activities, transfers and flight tracking, built on Amadeus, Seats.aero, SerpAPI and FlightAware. No account or API key required.
evm-gas.apitoll.cloud
Returns current EVM gas fee tiers (slow, standard, fast) as EIP-1559 maxFeePerGas and maxPriorityFeePerGas in wei, plus base fee, head block and block fullness, for 17 EVM chains selected with a chain query parameter.
api.webbersites.com
Pay-per-call data & utility API for AI agents — 40+ endpoints, USDC on Base via x402, from $0.001. Web scraping & summaries, PDF/DOCX/CSV extraction, crypto prices & market reports, IP geolocation & timezone, DNS & email checks, SEO / acces…
x402.miroshark.xyz
Runs a 25-agent social-media simulation across Twitter, Reddit and Polymarket over 10 rounds from a prompt, URL or article, then returns a markdown report with belief drift, top posts and prediction-market trajectories.
tick.hugen.tokyo
Best bid/ask FX aggregated from multiple sources across 14 instruments (major pairs and XAUUSD), with quality metadata: number of fresh sources, quality status and spread comparison against the single source. Paid per call in USDC on Base o…
stablestudio.dev
Pay-per-generation AI image and video creation — Nano Banana, GPT Image, Grok, Flux, Sora, Veo, Seedance, and Wan.
google-trends.use.x402atlas.com
Pay-per-call API over Google Trends data: interest over time for a keyword, interest by region within a country, related topics and queries. Returns JSON, built for keyword research and search demand analysis.
glim.sh
Pay-per-call API returning live data from Twitter, Reddit, the web, GitHub, Amazon, YouTube and Telegram, plus a chat completions compatible inference endpoint.
api.printmoneylab.com
Korean crypto market data for AI agents: Upbit and Bithumb prices, kimchi premium, USD/KRW rate, arbitrage scanning across 189+ tokens, and AI sentiment built from Korean news. Pay per request via x402 on Base, Polygon or Solana.
edgar.apitoll.cloud
SEC EDGAR data by ticker or CIK: 10-K, 10-Q and 8-K filings, Form 4 insider trades, and a bundle combining insider, 13F holdings and recent 8-K in one call. Sources live from data.sec.gov. A free coverage route reports which forms exist bef…
weather.payapi.market
Weather API returning current conditions, forecasts up to 16 days, historical data and air quality for any location worldwide, backed by Open-Meteo data, at $0.001 per call in USDC on Base.
kronossignals.com
Pay-per-call real-time crypto market-data API for autonomous agents and trading bots. Covers 16 assets with derivatives intelligence (funding rates, open interest, basis), liquidation cluster maps, options implied volatility, multi-source s…
x402.twit.sh
Paid API for X/Twitter data: tweet search, user profiles, followers, lists and communities returned as X v2 compatible JSON, plus write endpoints such as posting and interactions. Paid per single request in USDC on Base via x402.
vibesprings.net
Pay-per-call data API serving many endpoints on one host: weather and forecasts, earthquakes, flood and marine conditions, fiat exchange rates and conversion, on-chain address risk, plus alert and invoice workflows. No accounts or API keys,…
api.bitrefill.com
API to search gift cards, eSIMs and mobile top ups and pay for them in USDC via x402, priced per call and with no account. Endpoints cover catalog search, product detail, and invoice creation, payment and status, on Base, Arbitrum, Polygon …
api.loyalspark.online
Paid API for onchain loyalty programs on Base: loyalty token deployment, minting to customer wallets, rewards catalog, vouchers and P2P exchange, usable by agents over REST or MCP.
stableenrich.dev
Pay-per-request access to third party web search and enrichment APIs, including Exa, Firecrawl, Clado, Google Maps, Whitepages, Reddit and PDL, behind a single endpoint with no auth, paid in USDC on Base or Solana.
api.onesource.io
RPC API for Ethereum mainnet and Sepolia, with 25 pay-per-call endpoints (blocks, balances, transactions, receipts, event logs, ENS, contracts, NFTs) payable in USDC on Base via x402, with no API key.
stableemail.dev
Send/receive email + custom domains + inboxes
api.agentcamo.xyz
Residential proxy sessions with geo-targeting
x402.blackswan.wtf
Real-time risk intelligence for AI agents
fanfare.run
Real-time sports intelligence for the full fan experience. Schedules, scores, venues, weather, neighborhood discovery, and travel planning across MLB, NBA, WNBA, NHL, NFL, and other major sports.
api.run402.com
AI-native Postgres + REST API + auth + storage
api.nansen.ai
Wallet labels + smart money flows + analytics
intel.chainquery.com
Independent Bitcoin on-chain intelligence: fee-pressure signals, CDD spike detection, address analytics, rich lists, coin velocity, and HODL waves
minifetch.com
Structured metadata + token-efficient web content
api.arkm.com
Onchain intelligence — entity/address labels, token balances, transfers, live token market data, universal search, and Polymarket data.
dripstack.xyz
Pay per Substack article - agents access individual paywalled posts without a subscription.
blockrun.ai
LLM gateway (GPT/Claude/Gemini/DeepSeek/xAI)
agi.apify.com
Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Use these tools, called Actors, to extract structured data from social media, e-commerce sites, search engines, maps, tr…
x402.ottoai.services
Otto AI — agentic DeFi services. 26 x402 endpoints spanning trade execution (swaps, bridges, perps), market intelligence (news, KOL sentiment, token alpha, derivatives data), DeFi yield discovery, and AI tools (image/video gen, research, tr…
agents.allium.so
Onchain prices, balances, transactions, PnL, SQL explorer
x402.quicknode.com
RPC and blockchain API across 80+ chains