These are the 153 services Atlas paid real USDC to call and verified — the response matched what the service claimed. Search by name or category before you spend anything. The exact call, the real captured response, and the on-chain receipt for each are in the $0.10 dataset.
| Service | Category | Grade | What it does |
|---|---|---|---|
| 2s.io | Utility / Dev tools | A | Modern WHOIS via RDAP. Query: domain (e.g. example.com). Returns { domain, ldhName, handle |
| address-validator.api.klymax402.com | Utility / Dev tools | A | Parse, validate, and normalize a postal address |
| api.strale.io | Utility / Dev tools | B | Validate invoice data: VAT number format, line item math, tax calculations, EU compliance |
| api.x402node.dev | Utility / Dev tools | B | JWT decoder, JSON Web Token parser, JWT inspector, claims extractor, OAuth token decoder, |
| barcode-generator.api.klymax402.com | Utility / Dev tools | A | Generate a barcode from text or number |
| base64-codec.api.klymax402.com | Utility / Dev tools | A | Encode or decode base64 data |
| dns-lookup.api.klymax402.com | Utility / Dev tools | A | Lookup DNS records for a domain |
| domain.hugen.tokyo | Utility / Dev tools | A | WHOIS registration lookup — registrar, creation/expiry/updated dates, domain age in days, |
| fresh-feeds.foomworks.workers.dev | Utility / Dev tools | A | Full MCP registry snapshot: deduped, quality-scored, refreshed every 30 minutes. |
| funding-arb.api.klymax402.com | Utility / Dev tools | B | Scan funding rate arbitrage opportunities across perpetual exchanges |
| gas-estimator.api.klymax402.com | Utility / Dev tools | A | Get gas price estimates across multiple EVM chains with USD cost |
| gateway.sanfoundation.com | Utility / Dev tools | B | Search the open web for a topic and return ranked results with relevant excerpts. Each res |
| geoip.bip-rep.com | Utility / Dev tools | A | Resolve any public IPv4/IPv6 address (or hostname) to geolocation for analytics, fraud, an |
| hash-generator.api.klymax402.com | Utility / Dev tools | A | Generate a cryptographic hash from text |
| hl-portfolio.api.klymax402.com | Utility / Dev tools | B | Full clearinghouse state for a Hyperliquid wallet: positions, margin, PnL, leverage, liqui |
| hl-spot.api.klymax402.com | Utility / Dev tools | A | List all 454 spot tokens on Hyperliquid with metadata: name, tokenId, index, decimals, wei |
| http-headers.api.klymax402.com | Utility / Dev tools | A | Analyze HTTP response headers for a URL |
| language-detector.api.klymax402.com | Utility / Dev tools | A | Detect the language of input text with confidence scores and script identification |
| lorem-ipsum.api.klymax402.com | Utility / Dev tools | B | Generate Lorem Ipsum placeholder text |
| netintel-production-440c.up.railway.app | Utility / Dev tools | A | Resolves an IP address or domain to its Autonomous System Number (ASN), network owner, cou |
| pii-detector.api.klymax402.com | Utility / Dev tools | B | Detect personally identifiable information (PII) in text |
| qr-code.api.klymax402.com | Utility / Dev tools | A | Generate a QR code image from text or URL |
| sentiment-analyzer.api.klymax402.com | Utility / Dev tools | B | Analyze sentiment of a single text |
| slug-generator.api.klymax402.com | Utility / Dev tools | A | Generate a URL-friendly slug from text |
| solana-launches.api.klymax402.com | Utility / Dev tools | A | Get recently launched tokens on Solana with market data |
| ssl-checker.api.klymax402.com | Utility / Dev tools | A | Check SSL certificate for a domain |
| text-to-speech.api.klymax402.com | Utility / Dev tools | A | Convert text to speech audio |
| url-shortener.api.klymax402.com | Utility / Dev tools | B | Shorten a URL and return the shortened version |
| uuid-generator.api.klymax402.com | Utility / Dev tools | A | Generate unique identifiers |
| webhook-tester.api.klymax402.com | Utility / Dev tools | A | Send a test request to a webhook URL and analyze the response |
| wolframalpha.x402.paysponge.com | Utility / Dev tools | A | Service: Wolfram Alpha (https://wolframalpha.x402.paysponge.com/v1/result) |
| word-counter.api.klymax402.com | Utility / Dev tools | A | Count words, characters, sentences, paragraphs, and reading time |
| agent.weatherxm.com | Misc / Uncategorized | B | Real-time weather (temp/wind/UV) by lat/lon, WeatherXM network. |
| api.carbon-cashmere.de | Misc / Uncategorized | B | Carbon & Cashmere — x402-native crypto market-intelligence platform for AI agents: 59 paid |
| api.exa.ai | Misc / Uncategorized | B | Web content retrieval by URL/id — title + clean text. |
| api.printmoneylab.com | Misc / Uncategorized | A | Korean semiconductor industry news with AI market synthesis. Returns headlines (English-tr |
| clink-lithium-vault.fly.dev | Misc / Uncategorized | A | Lithium Research Vault - headline snapshot for any lithium & battery-metals company, produ |
| econdash.org | Misc / Uncategorized | A | EconDash economic data API (M2M) |
| fanfare.run | Misc / Uncategorized | A | MLB DFS slate context for a date: every game with Vegas implied team totals (from The Odds |
| globalapi.dev | Misc / Uncategorized | A | Wallet compliance screening — OFAC SDN + risk verdict. |
| gotobi.hugen.tokyo | Misc / Uncategorized | A | Is today a Japanese gotobi day? Gotobi (5th, 10th, 15th, 20th, 25th, last business day) dr |
| hello-world-x402.vercel.app | Misc / Uncategorized | A | Returns personalized greeting - UPDATED SCHEMA v2 |
| scout.hugen.tokyo | Misc / Uncategorized | A | AI-synthesized intelligence report — searches 14 sources in parallel, then synthesizes fin |
| slamai | Misc / Uncategorized | B | Smart money intelligence |
| slamlink-ai-main-50fbb45.d2.zuplo.dev | Misc / Uncategorized | B | Returns trending tokens across the entire blockchain for a specified activity window and o |
| tick.hugen.tokyo | Misc / Uncategorized | B | Live FX ticks (bid/ask) across pairs, multi-source. |
| trader.rigoblock.com | Misc / Uncategorized | B | AI-powered DeFi trading agent for Rigoblock smart vaults. Natural language to safe swap/br |
| underground.substratesymposium.com | Misc / Uncategorized | B | Underground Cultural District — catalog of 228 themed digital products (poetry, philosophy |
| vibesprings.net | Misc / Uncategorized | A | World Data API for AI agents — 40+ pay-per-query x402 endpoints on one domain: weather, ea |
| willimake-it.dylan-caponi.workers.dev | Misc / Uncategorized | — | Ask the oracle: will I make it? |
| x402.911fund.io | Misc / Uncategorized | B | Detect and track active market narratives — AI tokens, RWA, L2 wars, memecoins, DePIN. Wha |
| x402.creative-tim.com | Misc / Uncategorized | B | Paid access to shadcn/ui component blocks for agents. |
| x402.fullstack.cash | Misc / Uncategorized | A | Access to protected psf-bch-api resources (0.001 USDC) |
| x402.o8.is | Misc / Uncategorized | B | Storage upload prepare — returns an upload token. |
| x402endpoint-utiwoa54hq-uc.a.run.app | Misc / Uncategorized | A | Order an international non-reloadable prepaid card (USD). The order is queued and fulfille |
| api-production-17e1.up.railway.app | Search / Web | A | One-call web research for AI agents: searches the live web AND reads the top result pages |
| api.web3identity.com | Search / Web | A | ENS name valuation estimate based on length, characters, and market data |
| bazaar-gateway.vercel.app | Search / Web | A | Zero-transform web page intelligence for AI agents. Extracts OpenGraph + Twitter Card + Ar |
| content.hugen.tokyo | Search / Web | A | Extract structured metadata from any web page — title, author, publication date, Open Grap |
| fetchdelta.com | Search / Web | A | Resolve a public docs, changelog, release-note, pricing, or policy page into clean markdow |
| jsonrecon.com | Search / Web | B | SEO schema.org JSON-LD extraction and suggestion service for AI agents. Extracts or builds |
| mercury-x402-jed.fly.dev | Search / Web | A | URL → clean, LLM-ready markdown (boilerplate/nav/ads stripped, headings + lists + links pr |
| search.reversesandbox.com | Search / Web | A | Private web search for AI agents — zero logging, no tracking, no human signup required. Pa |
| SourceCheck News | Search / Web | A | Verifies whether the main factual claims in a proposed news article are supported by the p |
| StableJobs | Search / Web | C | Job-postings preview API (filter step before job-collect); returns postings with title, co |
| web-production-18a32.up.railway.app | Search / Web | A | UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges. |
| web-search.api.klymax402.com | Search / Web | B | Search the web and return structured results |
| aiagentoracle.ai | Agent / Task | A | AgentOracle: price history time-series for a single token — array of `{ t, price }` points |
| llm402 | Agent / Task | B | Pay-per-call LLM inference over x402; OpenAI-compatible chat completions, no API key. |
| obagents.vercel.app | Agent / Task | — | x402 OB Image Generator · Price $0.01 per generated image https://obagents.vercel |
| x402-trading.useotto.xyz | Agent / Task | B | Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbit |
| x402.fatihai.app | Agent / Task | A | DNS record lookup for any domain. Returns A, AAAA, MX, TXT, NS records. |
| hmo.payapi.market | Travel / Data | B | UK HMO licence check by postcode and house number. Returns whether the property is a licen |
| jtifhcvbgxqwlywugvjv.supabase.co | Travel / Data | A | Real-time aviation weather for any ICAO airport. Returns decoded METAR, TAF, SIGMET alerts |
| property-risk-passport-api.lifebite-app.workers.dev | Travel / Data | A | Evaluate a US property address for parcel match, FEMA flood zone, flood proximity, taxing |
| property.payapi.market | Travel / Data | A | UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges. |
| riskpulse-five.vercel.app | Travel / Data | A | Travel safety assessment — advisory level, crime, health risks, entry requirements, insura |
| stable-travel-git-migrate-stabletravel-router-140-merit-systems.vercel.app | Travel / Data | B | Search Google Flights for flight offers. Returns best flights, other flights, price insigh |
| stabletravel.dev | Travel / Data | B | List airline flight route pairs covered by a Seats.aero mileage program source. These are |
| weather.hugen.tokyo | Travel / Data | A | Instant weather by city name — temperature, feels-like, humidity, wind speed, precipitatio |
| weather.payapi.market | Travel / Data | A | Current weather conditions for any global location — temperature, feels-like, humidity, pr |
| x402-weather-api-production-04c4.up.railway.app | Travel / Data | A | Current weather conditions for any global location — temperature, feels-like, humidity, pr |
| api.babyblueviper.com | Crypto Analytics | B | Crypto market regime indicator: daily risk-on / risk-off signal with exposure scalar, comp |
| api.myceliasignal.com | Crypto Analytics | A | Regime Persistence — historical context for current perp regime duration. Returns current |
| api.seneschal.space | Crypto Analytics | B | Top at-risk borrowers across Aave + Morpho + Spark with realised market success-rate, aver |
| api.signalfuse.co | Crypto Analytics | B | Macro regime classification (risk-on/risk-off/neutral) |
| api.usenami.io | Crypto Analytics | A | Oracle price-source family classification for 30+ perp venues — basis-risk awareness for c |
| blockrun.ai | Crypto Analytics | B | Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single |
| data.crestsystems.ai | Crypto Analytics | A | Crest · token_unlocks — Fetch top 20 tokens with highest unlock pressure. Returns locked s |
| defi-api.agenticfi.wtf | Crypto Analytics | A | EVM collectibles for a wallet - ERC-721 and ERC-1155 holdings with spam filtering, paginat |
| liquita-x402-edge.liquita.workers.dev | Crypto Analytics | B | Real-time at-risk DeFi borrowers across Aave V3, Morpho, Comet, Euler V2, Fluid, Moonwell, |
| mycelia signal | Crypto Analytics | A | Cryptographic price oracle (7 feeds) |
| polymarket-signal-api.pwnker-polymarket-signals.workers.dev | Crypto Analytics | B | PolySignal paper-trading performance summary, including win rate, ROI, PnL, open trades, s |
| Quick Signal TA | Crypto Analytics | B | Quick Signal TA v3.1.0 - crypto technical analysis; ten indicators with natural-language a |
| regimeshift.xyz | Crypto Analytics | A | BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol |
| signal-engine-production-d88d.up.railway.app | Crypto Analytics | B | Individual arena strategy signal |
| 1c09pdnrx1.execute-api.us-east-1.amazonaws.com | Oracle / Identity | A | Verify a signature over (input_hash, output_hash, decision) and dual-chain anchor the resu |
| api.anchor-x402.com | Oracle / Identity | A | Agent-driven wallet due diligence — multi-step investigation, signed markdown report + JSO |
| api.craigmbrown.com | Oracle / Identity | B | BlindOracle agent reputation (ERC-8004 + ProofDB) |
| api.interzoid.com | Oracle / Identity | B | Measure real-world page load performance (response time) for any URL from a chosen global |
| human.twin3.ai | Oracle / Identity | B | Human verification for AI agents — proof of humanity, sybil resistance, and 'is this walle |
| Laso | Oracle / Identity | A | Send a payment via Venmo or PayPal. Requires KYC verification on the calling wallet; if no |
| mlb-stats-api.fly.dev | Oracle / Identity | A | Restaurants, bars, and activities near an MLB venue via Google Places. Required: venueId. |
| witness.bnbot.ai | Oracle / Identity | B | Get tweet details with signed proof |
| x402engine.app | Oracle / Identity | A | Real-time cryptocurrency prices for any coin in any fiat currency |
| chat.anchor-x402.com | Communication | — | Read the aura of anything — color, tier (S/A/B/C/D/F), score 0-9999, description. $0.01 US |
| email-verification.api.klymax402.com | Communication | A | Verify a single email address |
| law-mcp.toulaw.workers.dev | Communication | A | Global law search across JP/US/UK/EU legislation databases |
| StablePhone | Communication | A | AI phone calls + dedicated numbers |
| api.cryptoetfsentinel.com | Crypto Data | A | Crypto ETF Sentinel — Single-call market snapshot for US spot crypto ETFs (Bitcoin, Ethere |
| api.tickersfeed.net | Crypto Data | A | Global crypto market overview — total market cap, 24h volume, Bitcoin dominance, and activ |
| crypto-news.api.klymax402.com | Crypto Data | B | Get latest crypto news with sentiment scores and token mentions |
| fathom-api.mioku-fathom.workers.dev | Crypto Data | B | Returns price, liquidity, confidence score, main pool, and risk flags for a Base ERC-20 to |
| Messari | Crypto Data | A | 40K crypto assets premium data |
| OneSource Skills | Crypto Data | A | Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - ret |
| stablecrypto.dev | Crypto Data | B | Search Arkham addresses, entities, tokens, pools, and names |
| store.agentexchange.work | Crypto Data | A | Current USD prices for one or more tokens by CoinGecko id (e.g. bitcoin, ethereum, solana, |
| x402-agent-store.rileycraig14.workers.dev | Crypto Data | A | Current USD prices for one or more tokens by CoinGecko id (e.g. bitcoin, ethereum, solana, |
| api.reloadpi.com | Commerce / Reward | B | Reloadpi — Voucher purchase schema. Returns request format, recipient fields, priceType ha |
| shoppi-backend.onrender.com | Commerce / Reward | B | Reloadpi — List all available voucher brands including Amazon, Google Play, Netflix and mo |
| Alchemy x402 | Web3 RPC | A | Web3 RPC (100+ chains) |
| api.node4all.com | Web3 RPC | — | Node4All Fortune — a deterministic fortune reading derived from the x402 payment authoriza |
| api.onesource.io | Web3 RPC | A | Ethereum network info - chain ID, block height, and gas price in one batched RPC call (eth |
| bitcoind.app | Web3 RPC | A | Complete list of all Bitcoin Core RPC methods (summaries). One call replaces up to 142 ind |
| api.trustsource.cc | Risk / Security | A | Check whether a domain's TLS/SSL certificate is valid, trusted, and not expiring before co |
| blockint.ai | Risk / Security | B | List C3 community fraud reports, cursor-paginated. Filter by crime type. Use the returned |
| eagle.quickai.build | Risk / Security | B | Eagle Eye v1.0.0 — U.S. enterprise-grade wallet compliance screening. OFAC SDN + Circle US |
| ot-intel-api.onrender.com | Risk / Security | A | ICS/OT device exposure lookup. Pass ?vendor=siemens&model=s7-1200. Returns default credent |
| risk.yo.xyz | Risk / Security | B | Targeted node lookup by asset address or protocol/asset name — the sole discovery path |
| scan.madhousewallet.com | Risk / Security | B | Screen any person, company, or entity against OpenSanctions -- 1.3M+ entries from OFAC SDN |
| shield.vainplex.dev | Risk / Security | A | ShieldAPI - x402 security preflight before agents trust an identity, sender, or email coun |
| token-safety.api.klymax402.com | Risk / Security | A | Check token contract safety and risk score |
| x402-cybercentry-wallet-verification.up.railway.app | Risk / Security | B | Verify wallet addresses for sanctions, fraud, and risk using Cybercentry Wallet Verificati |
| graphadvocate.com | Community / Quest | B | Vault evaluator for Hyperliquid copy-trading vehicles. POST {vault}. Returns composite vau |
| agentstack-research-3bnlllaboa-ts.a.run.app | Finance / Forex | A | Parsed, taxonomy-classified SEC/EDGAR (US) announcements for one ticker (JSON). Identical |
| edgar.apitoll.cloud | Finance / Forex | A | Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual rep |
| filingspulse.vercel.app | Finance / Forex | A | FilingsPulse search — full-text SEC EDGAR search with AI synthesis: find what companies ha |
| finance.toon.haus | Finance / Forex | A | Insider transactions (P=buy,S=sell,M=exercise) + sentiment |
| Financial Analyst API | Finance / Forex | A | Amortization schedules, debt sizing and FX P&L for real-estate / private-equity workflows; |
| GlobalAPI x402 (US CPI) | Finance / Forex | A | Combined economic digest with AI commentary |
| options.lonestaroracle.xyz | Finance / Forex | A | Options flow intelligence — unusual activity put/call ratios large block trades |
| stablefinance.dev | Finance / Forex | A | SEC Form 4 insider transactions. |
| supership.crestsystems.ai | Finance / Forex | A | SEC EDGAR -- fresh filings (10-K, 10-Q, 8-K, Form 4) for any US public company (AAPL, NVDA |
| x402-gateway-production.up.railway.app | Finance / Forex | A | Voice-cloning text-to-speech — provide a reference audio clip and generate speech in that |
| x402.smartmoney.market | Finance / Forex | A | Global company insider SEC Form 4 activity across Smartmoney's selected stock universe. Su |
| x402stock.xyz | Finance / Forex | A | Use to compare 2 to 3 US-listed stocks in one call (peer or watchlist comparisons). For ea |
| x402.twit.sh | x402 ecosystem | A | Deep user intelligence workflow. For a given Twitter/X username, returns structured accoun |
| x402scan | x402 ecosystem | A | x402 facilitator stats feed — per-facilitator tx counts, unique buyers/sellers, chains cov |
| chess402.vercel.app | Game / Random | A | Masters opening explorer for a position. Returns top moves, win/draw/loss rates, and recen |
| Entropy | Game / Random | B | Random decision-maker — picks one option from a comma-separated list. |
| rng.sociologic.ai | Game / Random | — | Generate cryptographically secure random float(s) between 0 and 1 |
| OneSource Web3 | NFT / Metadata | A | Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - ret |
| img402.dev | Storage / IPFS | B | Pay $0.01 USDC to get an upload token (recommended for images over a few KB). No request b |
The fastest way to use this: have your agent buy the full tested-services dataset over x402. One call, $0.10 on Base, no API key, no signup. It returns one JSON: every service + verdict + evidence_grade + the exact request + the real response + the on-chain tx.
// needs: a key funded with a little Base USDC + `npm i x402-fetch viem` import { wrapFetchWithPayment } from "x402-fetch"; import { createWalletClient, http, publicActions } from "viem"; import { privateKeyToAccount } from "viem/accounts"; import { base } from "viem/chains"; const account = privateKeyToAccount(process.env.PRIVATE_KEY); const wallet = createWalletClient({ account, chain: base, transport: http() }).extend(publicActions); const pay = wrapFetchWithPayment(fetch, wallet); // auto-pays on HTTP 402 const res = await pay("https://402atlas.com/api/verified"); const data = await res.json(); console.log(data.total, "services", "— read data.reading_guide first");
Client variations (axios, Python, MCP) → x402.org. Endpoint: GET https://402atlas.com/api/verified · verify our own payments on Basescan.