These are the 130 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.
*.up.railway.app alongside the branded domain. Each is one row, with its other known hostnames listed under the name and searchable here.| Service | Category | Grade | What it does |
|---|---|---|---|
| 2s.io | Uncategorized | A | The (most) everything API for AI agents: 575+ pay-per-call endpoints on one origin. More l |
| agent.weatherxm.com | Uncategorized | A | [WeatherXM](https://weatherxm.com) is a community-powered weather network delivering high- |
| api.babyblueviper.com | Uncategorized | C | The **verification layer for autonomous agents** — a neutral verdict before an irreversibl |
| api.craigmbrown.com | Uncategorized | C | |
| api.cryptoetfsentinel.com | Uncategorized | A | Programmatic access to SEC EDGAR spot crypto ETF filing data (including staking ETFs). Cov |
| api.exa.ai | Uncategorized | A | Exa Public API |
| api.onesource.io | Uncategorized | A | Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC for AI agents. Every endpoint p |
| api.seneschal.space | Uncategorized | A | Monero & Zcash payment watching for agents (view-key webhooks, historical scans, native XM |
| api.strale.io | Uncategorized | A | The trust layer for AI agents — 250+ independently tested data capabilities across 27 coun |
| api.tickersfeed.net | Uncategorized | A | Pay-per-call stock, crypto, DeFi, and gas data API for AI agents — raw data + AI-powered a |
| api.usenami.io | Uncategorized | A | Usenami Marketplace API |
| api.x402node.dev | Uncategorized | A | x402 pay-per-call API resources |
| blockrun.ai | Uncategorized | A | Agent-native AI gateway. Pay-per-request with USDC on Base. No accounts or API keys requir |
| clink-lithium-vault.fly.dev | Uncategorized | A | Primary-source data on lithium & battery-metals mining companies and mines. Every numeric |
| content.hugen.tokyo | Uncategorized | B | Extract, summarize, and analyze web content in one call. Dual-engine extraction handles JS |
| domain.hugen.tokyo | Uncategorized | B | 7 domain intelligence checks in one API — WHOIS, DNS, SSL, tech stack, security headers, s |
| eagle.quickai.build | Uncategorized | B | |
| edgar.apitoll.cloud | Uncategorized | A | ApiToll runs pay-per-call data agents on x402 (USDC on Base + Solana). This suite returns |
| fanfare.run | Uncategorized | A | Sports experience API for AI agents — pay-per-call in USDC on Base. Combines live schedule |
| fathom-api.mioku-fathom.workers.dev | Uncategorized | A | x402-powered Base token price oracle for agents |
| filingspulse.vercel.app | Uncategorized | A | Global SEC/EDGAR and international filings intelligence API. AI-synthesized plain-language |
| fresh-feeds.foomworks.workers.dev | Uncategorized | A | Continuously-maintained data + trust feeds for AI agents. Free preview/search/verify + fre |
| geoip.bip-rep.com | Uncategorized | B | Resolve any public IPv4/IPv6 address (or hostname) to geolocation for analytics, fraud, an |
| globalapi.dev | Uncategorized | A | Global finance intelligence API delivering macroeconomic data + AI insights for AI agents, |
| human.twin3.ai | Uncategorized | B | |
| jtifhcvbgxqwlywugvjv.supabase.co | Uncategorized | A | |
| liquita-x402-edge.liquita.workers.dev | Uncategorized | B | |
| mercury-x402-jed.fly.dev | Uncategorized | B | Agent-payable resources over HTTP 402 (x402). LIVE — Base mainnet, real USDC, no token. On |
| netintel-production-440c.up.railway.app | Uncategorized | A | Network intelligence API — 112 endpoints, all pay-per-call via x402 micropayments (USDC on |
| ot-intel-api.onrender.com | Uncategorized | A | OT/ICS/SCADA threat intelligence for AI agents and industrial SOC automation. Twenty-one p |
| property-risk-passport-api.lifebite-app.workers.dev | Uncategorized | A | Evaluate a US property address for parcel match, FEMA flood zone, flood proximity, taxing |
| regimeshift.xyz | Uncategorized | A | Pay-per-call agent-native data + on-chain bilateral RFQ marketplace for AI agents on Base |
| risk.yo.xyz | Uncategorized | A | |
| riskpulse-five.vercel.app | Uncategorized | A | Global risk intelligence API. AI-synthesized travel safety alerts, country risk profiles, |
| scan.madhousewallet.com | Uncategorized | A | Paid compliance APIs for crypto off-ramp and AML/KYC workflows. Two capabilities: (1) Wall |
| stablefinance.dev | Uncategorized | A | Pay-per-request access to Financial Datasets AI: US equities fundamentals, prices, SEC fil |
| store.agentexchange.work | Uncategorized | A | Machine-payable data APIs for AI agents across web search, on-chain reads, trading data, m |
| tick.hugen.tokyo | Uncategorized | A | Multi-source aggregated FX Best Bid/Ask from multiple institutional LPs. 62-88% tighter sp |
| token-safety.api.klymax402.com | Uncategorized | B | Token contract safety scanner -- honeypot, tax, proxy, blacklist, ownership. Rug-pull prot |
| vibesprings.net | Uncategorized | A | Pay-per-use AI utilities: image conversion, PDF generation, CSV processing, and historical |
| witness.bnbot.ai | Uncategorized | C | |
| x402-cybercentry-wallet-verification.up.railway.app | Uncategorized | A | |
| x402.smartmoney.market | Uncategorized | A | |
| x402stock.xyz | Uncategorized | A | Market and economic data for AI agents — US stocks, ETFs and options, forex, crypto and on |
| address-validator.api.klymax402.com | Utility / Dev tools | B | Parse and validate postal addresses -- country detection, component split, postal code ver |
| api.kgninja.dev | Utility / Dev tools | B | Machine-payable agent API with free discovery and preview tools, plus x402-paid execution |
| barcode-generator.api.klymax402.com | Utility / Dev tools | C | Generate barcodes -- EAN-13, UPC-A, Code128, Code39. Base64 SVG output, custom width and h |
| base64-codec.api.klymax402.com | Utility / Dev tools | B | Encode text to base64 or decode base64 to text. Supports standard and URL-safe variants wi |
| dns-lookup.api.klymax402.com | Utility / Dev tools | A | Lookup DNS records (A, AAAA, MX, TXT, CNAME, NS, SOA, SRV) via Cloudflare DNS-over-HTTPS. |
| funding-arb.api.klymax402.com | Utility / Dev tools | C | Funding rate arbitrage scanner -- Hyperliquid, Binance, Bybit, OKX cross-venue spreads and |
| gas-estimator.api.klymax402.com | Utility / Dev tools | A | Multi-chain gas prices in one call -- ETH, Base, Polygon, Arbitrum, BSC. Compare chains to |
| gateway.sanfoundation.com | Utility / Dev tools | B | Public API for the SAN Foundation gateway. The same data is exposed through two interchang |
| hash-generator.api.klymax402.com | Utility / Dev tools | B | Cryptographic hash generator supporting MD5, SHA1, SHA256, SHA512, and bcrypt. |
| hl-portfolio.api.klymax402.com | Utility / Dev tools | A | Analyze Hyperliquid accounts: positions, PnL, fills, open orders, funding. Full clearingho |
| hl-spot.api.klymax402.com | Utility / Dev tools | A | Hyperliquid SPOT market data: 454 tokens, live prices, 24h volume, wallet balances. Native |
| language-detector.api.klymax402.com | Utility / Dev tools | B | Detect language from text using trigram frequency analysis. Supports 30+ languages with sc |
| lorem-ipsum.api.klymax402.com | Utility / Dev tools | C | Generate Lorem Ipsum placeholder text on demand. Choose paragraphs, sentences, or words wi |
| pii-detector.api.klymax402.com | Utility / Dev tools | B | Detect PII in text: emails, phones, SSNs, credit cards, IPs, addresses. Regex-based. |
| qr-code.api.klymax402.com | Utility / Dev tools | C | Generate QR codes from text or URLs -- base64 PNG output, configurable size. Fast and ligh |
| sentiment-analyzer.api.klymax402.com | Utility / Dev tools | B | Sentiment analysis with emotion detection, confidence scores, and key phrase extraction. S |
| slug-generator.api.klymax402.com | Utility / Dev tools | B | Generate URL-friendly slugs from text with custom separators and transliteration. |
| solana-launches.api.klymax402.com | Utility / Dev tools | A | Scan new Solana token launches from pump.fun, Raydium, PumpSwap, Orca -- with liquidity an |
| ssl-checker.api.klymax402.com | Utility / Dev tools | A | Check SSL/TLS certificate validity, expiry, issuer, chain details, and security grade for |
| Stablebase | Utility / Dev tools | B | On-demand Postgres databases via Stablebase. Pay per request with x402 micropayments. No A |
| url-shortener.api.klymax402.com | Utility / Dev tools | C | Shorten URLs using hash-based approach. Returns a compact shortened URL. |
| uuid-generator.api.klymax402.com | Utility / Dev tools | B | Generate UUID v4, v7, ULID, or nanoid identifiers. Batch up to 100 at once. Sortable, comp |
| webhook-tester.api.klymax402.com | Utility / Dev tools | B | Test webhook endpoints -- send POST/PUT/PATCH/DELETE with custom headers and payloads. Mea |
| wolframalpha.x402.paysponge.com | Utility / Dev tools | B | Wolfram|Alpha computational knowledge API — full results, short answers, simple (image), s |
| word-counter.api.klymax402.com | Utility / Dev tools | B | Analyze text metrics: word count, characters, sentences, paragraphs, and estimated reading |
| x402.auteng.ai | Utility / Dev tools | B | # AutEng x402 Compute Service Sandboxed code execution for AI agents. Pay per request wit |
| api.carbon-cashmere.de | Misc / Uncategorized | A | Professional crypto trading intelligence — 59 endpoints via x402 USDC micropayment. |
| api.printmoneylab.com | Misc / Uncategorized | A | Korean crypto market data + AI sentiment for AI agents. Kimchi premium, exchange intellige |
| econdash.org | Misc / Uncategorized | C | Macroeconomic indicators and time series data via x402 and MPP payments. 753 indicators ac |
| gotobi.hugen.tokyo | Misc / Uncategorized | B | The only programmatic source for Japanese FX gotobi (五十日) dates. No public gotobi calendar |
| hello-world-x402.vercel.app | Misc / Uncategorized | B | A basic x402 V2 test endpoint returning 'Hello World' |
| scout.hugen.tokyo | Misc / Uncategorized | A | Search 19+ platforms in a single API call: Reddit, Hacker News, GitHub, Stack Overflow, ar |
| slamai | Misc / Uncategorized | A | |
| trader.rigoblock.com | Misc / Uncategorized | A | AI-powered DeFi trading API for autonomous agents. Protected by the x402 v2 payment protoc |
| underground.substratesymposium.com | Misc / Uncategorized | C | # Underground Cultural District **A literary ecosystem for AI agents.** If you are an ag |
| x402.911fund.io | Misc / Uncategorized | A | # x402 Meta Gateway AI-synthesized intelligence from 10+ sources. All endpoints include T |
| x402.creative-tim.com | Misc / Uncategorized | C | # Creative Tim x402 Resources Pay-per-request API and content protected by the [x402 Prot |
| api.web3identity.com | Search / Web | A | **⚠️ DISCLAIMER:** Data provided "as is" without warranty. Not financial advice. Always ve |
| bazaar-gateway.vercel.app | Search / Web | B | |
| fetchdelta.com | Search / Web | B | FetchDelta is a paid HTTP API for autonomous agents. It resolves public webpages into clea |
| jsonrecon.com | Search / Web | B | Concise Schema.org JSON-LD extraction and Product page-consistency verification. Paid per |
| search.reversesandbox.com | Search / Web | C | Private web search, scraping, and screenshots for AI agents via x402 micropayments on Base |
| SourceCheck News | Search / Web | B | |
| StableJobs | Search / Web | C | Job search APIs powered by Coresignal, protected by x402 micropayments. |
| web-search.api.klymax402.com | Search / Web | C | Web search API for AI agents. Structured results with title, URL, snippet. Current news, d |
| hmo.payapi.market | Travel / Data | A | UK House in Multiple Occupation (HMO) licence checks. Aggregates data from local authority |
| property.payapi.market | Travel / Data | B | Production API for UK sold prices, rental yields, and stamp duty. Paid via x402 protocol. |
| stabletravel.dev | Travel / Data | A | Pay-per-request access to flight prices and booking links (Google Flights via SerpAPI), aw |
| weather.hugen.tokyo | Travel / Data | A | Instant weather data by city name — no API keys, no geocoding setup, no rate limits. Curre |
| weather.payapi.market | Travel / Data | C | Global weather data — current conditions, forecasts, historical data, and air quality. Pai |
| api.anchor-x402.com | Oracle / Identity | A | 18 pay-per-call x402 services for AI agents — on-chain anchoring & attestation, wallet/add |
| api.interzoid.com | Oracle / Identity | B | AI-powered data quality, data matching, data standardization, and data enrichment APIs. Pa |
| Laso | Oracle / Identity | A | Payment-gated API for Laso Finance. All paywalled routes use the x402 protocol — the calle |
| x402engine.app | Oracle / Identity | A | Pay-per-call API gateway for AI agents using HTTP 402 payments. |
| api.myceliasignal.com | Crypto Analytics | A | Mycelia Signal Sovereign Oracle — three-layer data pyramid. Layer 1 Oracle Data (raw signe |
| api.signalfuse.co | Crypto Analytics | B | Trading Intelligence API |
| defi-api.agenticfi.wtf | Crypto Analytics | A | DeFi APIs for AI agents. 36 pay-per-call endpoints for token data, pricing, wallet analyti |
| polymarket-signal-api.pwnker-polymarket-signals.workers.dev | Crypto Analytics | C | |
| aiagentoracle.ai | Agent / Task | A | Real-time on-chain crypto market data — token prices, volume, liquidity, market cap, 24h m |
| x402-trading.useotto.xyz | Agent / Task | A | |
| x402.fatihai.app | Agent / Task | A | Micropayment-powered API network for AI agents. Email verification, web scraping, AI conte |
| crypto-news.api.klymax402.com | Crypto Data | A | Real-time crypto news with sentiment scores and token mentions. Multi-source aggregation f |
| Messari | Crypto Data | A | # Messari API Comprehensive crypto data for institutions with pay-per-request x402 access |
| stablecrypto.dev | Crypto Data | A | Crypto market data and wallet intelligence APIs powered by CoinGecko, DefiLlama, Alchemy, |
| Alchemy x402 | Web3 RPC | A | |
| api.node4all.com | Web3 RPC | B | OpenAPI specification for Node4All production endpoints. |
| bitcoind.app | Web3 RPC | A | |
| api.thoughtproof.ai | Risk / Security | B | Adversarial reasoning verification for AI agents: independent models evaluate a decision, |
| x402.blocksec.ai | Risk / Security | A | On-chain entity labeling and address intelligence capabilities powered by BlockSec. |
| x402.quickintel.io | Risk / Security | B | Crypto security scanning and AI-powered trading APIs. Pay-per-request with USDC via x402 o |
| PrintMoneyLab / x402watch — Buyer Wallet Profile | x402 ecosystem | A | Public read-only landing-page stats. CC0 data. |
| x402.twit.sh | x402 ecosystem | B | Payment-gated Twitter/X user and tweet lookup API. Pay per request in USDC on Base via x40 |
| x402scan | x402 ecosystem | A | Query indexed x402 payment data and send USDC on Base and Solana. |
| chess402.vercel.app | Game / Random | A | Pay-per-call chess API. x402 + MPP wrappers around popular Lichess endpoints. |
| Entropy | Game / Random | A | Digital preservation and ephemeral storage powered by x402 micropayments. |
| rng.sociologic.ai | Game / Random | B | Cryptographically secure random number generation API with verifiable entropy. Pay per cal |
| email-verification.api.klymax402.com | Communication | B | Real-time email verification API. Syntax, MX, disposable detection, role-based flags, qual |
| law-mcp.toulaw.workers.dev | Communication | A | |
| StablePhone | Communication | B | Pay-per-call AI phone calls. No API keys, no accounts. |
| finance.toon.haus | Finance / Forex | A | Financial data API for AI agents. Stock quotes, metrics, earnings, price history, options, |
| Financial Analyst API | Finance / Forex | B | Institutional-grade financial analysis for AI agents. Rigorous underwriting, returns model |
| api.reloadpi.com | Commerce / Reward | C | Global marketplace for digital vouchers, mobile top-ups, and eSIM data plans. Pay per API |
| graphadvocate.com | Community / Quest | B | Claude-powered routing agent for The Graph Protocol. Send a plain-English onchain data req |
| img402.dev | Storage / IPFS | B | Upload images and get public CDN URLs. Images 1MB or under: free and permanent, no auth. U |
| padelmaps.org | Data / Directory | B | # PadelMaps x402 API Real-time padel club, court, and match data worldwide. 11,944 clubs |
| agentutility | Data / Lookup | A | 799 pay-per-call APIs for AI agents. Every endpoint is POST /<name> and is payable in USDC |
We paid these hosts too. They are kept out of the list above for one of two reasons, stated per row. Their full records and receipts ship in the dataset under not_recommended.
| Service | Category | Why not recommended |
|---|---|---|
| http-headers.api.klymax402.com http-headers.api.klymax402.com | Utility / Dev tools | no bought endpoint delivered what it claimed |
| obagents.vercel.app obagents.vercel.app | Agent / Task | delivered, content could not be judged (every endpoint grade D) |
| Quick Signal TA signal.quickai.build | Crypto Analytics | no bought endpoint delivered what it claimed |
| text-to-speech.api.klymax402.com text-to-speech.api.klymax402.com | Utility / Dev tools | delivered, content could not be judged (every endpoint grade D) |
| willimake-it.dylan-caponi.workers.dev willimake-it.dylan-caponi.workers.dev | Misc / Uncategorized | delivered, content could not be judged (every endpoint grade D) |
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.