x402watch

53,113 paid endpoints are listed. 31,940 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-05 15:08 UTC · 53,113 probed

31,940 answering 40215,003 down5,345 rejecting825 no paywall1,219 price drift
  1. 90coingecko.use.x402atlas.com/priceCrypto token price in USD, EUR and more — real-time spot prices for one or many coins by CoinGecko id (bitcoin, ethereum, solana).$0.005 Base1072 ms11 payers100% up
  2. 90headers.use.x402atlas.com/Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.$0.01 Base1197 ms11 payers100% up
  3. 90api.nansen.ai/api/v1/smart-money/netflowGet Smart Money Netflow Data$0.05 Base91 ms11 payers83% up
  4. 90proxy.suverse.io/v1/proxy/reskey_1166628d/bazaar-testBitcoin spot price in USD. Pay-per-call $0.001 USDC. AI agent BTC price feed.$0.001 Base1222 ms11 payers100% up
  5. 90chat.gedx402.com/v1/chat/completionsMulti-model chat completions. POST messages[] and set model to any LLM id from GET /v1/models; dynamic USDC pricing scales with model and token usage. Hero: GET /heroes/chat-completions.$0.001 Base1692 ms10 payers100% up
  6. 90search.cyberwarex.com/searchWeb search that returns structured SERP results as JSON. Runs on a dedicated SearXNG instance aggregating multiple engines, so there is no per-engine API key, quota or HTML scraping to manage. Each result carries title, URL, snippet, the source engine and a published date where available. Choose general web, news, or image results, up to 10 per call. Use it to ground an answer in current web sources, research a topic, or monitor news on a query.$0.003 Base1449 ms10 payers100% up
  7. 90api.chit402.com/v1/chat/completionsSigned spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completions is the x402 USDC door on Base and Solana. Returns signed receipt + public verify_url. Paying this host is real mainnet USDC.$0.002 Base1028 ms10 payers100% up
  8. 90rpc.nodeflare.app/base/x402Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.$0.001 Base1436 ms10 payers100% up
  9. 90email-auth.use.x402atlas.com/checkEmail authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability and security-ops automation.$0.01 Base1151 ms10 payers100% up
  10. 90lionx402.com/api/x402/wallet-screen-jsonCheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settle any x402 counterparty. Keyless Base USDC, Ed25519-attested. Beats $0.005–$0.05 wallet-screen clones. Upsell multi-list sanctions $0.02 + compliance receipt $0.05.$0.001 Base1569 ms10 payers100% up
  11. 90omniterminal.app/api/x402/v1/newsOmni Terminal delivers fresh, deduplicated market-moving news and catalyst context across equities, crypto, macro, and forex for AI trading agents.$0.001 Base Sepolia1510 ms10 payers100% up
  12. 90agentres.dev/api/discover/restaurantsRestaurant recommendations from the Blackbird network (~2,000 curated restaurants, mostly NYC and San Francisco). Full-text search plus city/neighborhood filters, with complete specials on every result, refreshed daily from a cache (never a live call) — e.g. every West Village restaurant with its current Fly-reward offers in one call.$0.01 Base1312 ms10 payers100% up
  13. 90win.oneshotagent.com/v1/tools/web-readRead a web page and extract content as markdown with screenshot$0.002 Base1265 ms10 payers100% up
  14. 90quotient-api-gateway.onrender.com/api/v1/signals/featuredUse this when the user asks which prediction-market signal is currently designated as featured by Quotient. Returns its published side and lifecycle, forecast_status, entry and current fields, forecast context, capacity, and canonical market routing; it may be empty. The featured designation is a database field.$0.005 Base1375 ms10 payers100% up
  15. 90api.interzoid.com/getfullnamematchGenerate an AI-powered similarity key for individual/person name matching. Handles variations like 'Bob Smith', 'Robert Smith', 'Smith, Robert J.' producing the same key for matching and deduplication.$0.01 Base1034 ms10 payers100% up
  16. 90google-trends.use.x402atlas.com/trendGoogle Trends interest over time for a keyword — worldwide search popularity as a monthly series for keyword research, SEO & demand trend analysis.$0.05 Base1293 ms9 payers100% up
  17. 90web.cyberwarex.com/fetchRead any live web page as clean, LLM-ready text. Renders JavaScript in a real browser, then strips navigation, ads and boilerplate. Use it when a plain HTTP GET returns empty or garbled HTML: single-page apps, dynamic feeds, or content that only appears after scripts run. Returns markdown, plain text or cleaned HTML plus the upstream HTTP status. Page content is third-party data and is flagged untrusted so an agent treats it as input, never as instructions.$0.002 Base1559 ms9 payers100% up
  18. 90zoningverdict.com/api/v1/parcel/resolveAddress-to-zoning lookup for published municipalities. Coverage: 64 municipalities in 6 states. Resolves a street address to supported municipality and, where GIS is verified, zoning district_code with lookup method. Positioning: Records tell you what's on file; ZoningVerdict tells you what the ordinance actually says, independently verified, with the citation. Responses include source citations and last-reviewed dates. Price: $0.01/call.$0.01 Base1391 ms9 payers100% up
  19. 90bykaranteli.com/api/x402/flow-vpinOrder flow toxicity (VPIN) history for BTC, ETH and SOL: 90-day daily VPIN track with closes plus the last 500 volume buckets.$0.10 Base1368 ms9 payers100% up
  20. 90x402.aispace.bot/api/v1/chat/completionsOpenAI-compatible chat on 100+ Venice models via x402 USDC (Base). Model from GET /api/v1/models?type=text; personas via /characters. Thinking models: empty content + reasoning_content is success; use venice_parameters.disable_thinking for plain text.$0.01 Base1420 ms9 payers100% up
  21. 90x402-adsb.x402-adsb-worker.workers.dev/aircraftLive aircraft positions over Kansai / western Japan from an independent ADS-B receiver (~1s freshness): position, altitude, speed, squawk, plus callsign→route resolution (origin/destination airports) from official timetables.$0.001 Base1352 ms9 payers100% up
  22. 90evm-gas.apitoll.cloud/v1/evm/gasMulti-chain EVM gas price oracle for AI agents — 17 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche…). One x402 call returns slow/standard/fast EIP-1559 tiers as DROP-IN maxFeePerGas + maxPriorityFeePerGas in wei (plug straight into a viem/ethers tx, no conversion, exact even on sub-gwei L2s), plus base fee, head block, and fullness, from a live eth_feeHistory call. Pass ?chain= to switch chains.$0.001 Base1362 ms9 payers100% up
  23. 90x402.ottoai.services/stablecoin-watchIs USDC/USDT/DAI holding its $1 peg, and is stablecoin supply growing or shrinking (risk-on vs risk-off)? Live peg deviation (bps), circulating supply + 1d/7d/30d flow, market dominance and chain spread for the top 30 USD stablecoins, plus downside depeg alerts for any coin trading >0.5% below peg. Sourced from DefiLlama (public). Served from a cached snapshot while fresh (≤1h) and regenerated on demand when a read finds it stale.$0.001 Base1148 ms9 payers100% up
  24. 90api.clawfetch.ai/extractorsDiscovery endpoint listing all 17 available structured-data extractors and the domains each one supports, so an agent can decide whether /extract can handle a given URL before paying for it.$0.001 Base1129 ms9 payers100% up
  25. 90api.moltalyzer.xyz/api/moltbook/digestsHistorical hourly AI intelligence digests (1-24 hours lookback). Track how AI agent sentiment, topics, and narratives evolve over time. Each digest contains full analysis of that hour's agent activity.$0.02 Base1356 ms9 payers100% up
  26. 90agent.connskill.com/v1/keyword-metricsKeyword demand check for up to 1000 chosen terms: search volume, CPC, advertising competition and available monthly history from Google Ads data. Advertising competition is not organic SEO difficulty.$0.15 Base1593 ms9 payers100% up
  27. 90agent402.tools/api/randomCryptographically secure randomness: N random bytes as hex, a uniform integer in a range, or a batch of up to 100 values in one call. Use it when an agent needs unpredictable values for nonces, sampling, shuffles or test data and cannot trust its own generator.$0.001 Base1170 ms9 payers100% up
  28. 90api.myceliasignal.com/oracle/price/btc/usdReal-time Bitcoin price in USD, a median across 10 exchanges including Binance, Coinbase, Kraken and Bullish — Ed25519 signed attestation$0.01 Base1060 ms9 payers100% up
  29. 90chrono.schemasure.com/v1/business-timeResolve a local time to an exact UTC instant with explicit DST ambiguity handling, business-day arithmetic, public-holiday status, and working-hour overlap across timezones. Detects ambiguous and nonexistent local times instead of silently shifting them. Declares its IANA tzdb release and per-jurisdiction holiday provenance.$0.01 Base1257 ms8 payers100% up
  30. 90intel.twzrd.xyz/v1/intel/quick/:solana_addressSeller wash risk and wallet reputation for a Solana x402 merchant: wash label, fleet %, payer count, plus tier + score. 0.001 USDC. No signed V7 receipt (use GET /v1/intel/trust for the portable proof). Free preflight is allow|warn|block only. Sponsored Solana accepts require a payment client that honors accepts[].extra.feePayer (for example @x402/svm ExactSvmScheme); AgentCash cannot settle that Solana rail.$0.001 Solana1351 ms8 payers100% up
  31. 90onchainpulse.theaslangroupllc.com/api/facet/honeypotHoneypot check, half a cent: can this token actually be sold? Simulated buy+sell verdict, buy/sell/transfer tax, mint authority, ownership renounced, transfer-pausable, blacklist — the raw flags, one source, no fusion. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. Cheapest token safety check before you trade; upgrade to /api/evmtoken ($0.015) for the fused CLEAR/CAUTION/AVOID verdict. Answers: is this token safe?$0.005 Base1336 ms8 payers100% up
  32. 90news.apitoll.cloud/v1/cointelegraph/newsLatest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, DeFi, regulation, market sentiment) or pull the live feed, with full article text across 14 languages. Built for agents tracking crypto markets, tokens, and Web3.$0.001 Base1416 ms8 payers100% up
  33. 90preppers-paradise.com/library/automatetheboringstuffwithpythonnew/02-what-is-programming.mdPaid book chapter (x402): Automate the Boring Stuff with Python: What Is Programming. Unit of a larger practical-skills library; free catalog at /library/discovery.json. Book slug: automatetheboringstuffwithpythonnew. Response format: Markdown (.md) for agent parsing. USDC on Base via Coinbase CDP facilitator. Free teasers and discovery.json require no payment.$0.01 Base1351 ms8 payers100% up
  34. 90ssl.use.x402atlas.com/checkSSL/TLS certificate check: expiry, issuer, SANs, chain validity, hostname match, negotiated protocol/cipher, and weak-algo warnings for a public HTTPS host. Clean JSON.$0.01 Base1095 ms8 payers100% up
  35. 90unwrap.use.x402atlas.com/Trace an HTTP redirect chain to its final destination without downloading page bodies. Returns every hop (URL + status), the final URL, and safety warnings — link-safety grounding for agents before they visit or cite a URL. Clean JSON.$0.009 Base1037 ms8 payers100% up
  36. 90toolcall.click/t/fx/ratesForeign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.$0.002 Base1430 ms8 payers100% up
  37. 90orcpin.dev/v1/endpoint-reliabilityx402 endpoint reliability pre-flight: factual service-delivery measurements of a target x402 endpoint before an agent pays it — reachability/uptime rate, valid-402 rate, response latency (p50/p95/p99), last status, and sampled paid delivery verification. Facts only (no trust score, no 'scam' label). Check whether an endpoint is live and delivers before spending on it.$0.01 Base1306 ms8 payers100% up
  38. 90gridpulse.theaslangroupllc.com/api/energy/carbon-intensityLive grid carbon intensity, deterministic. Answers "how clean is the grid right now", "gCO2 per kWh in Germany", "cleanest hour to run a job today". Current intensity + forward curve (to 48h) + cleanest and dirtiest slots, from NESO (GB national + 14 DNO regions) and energy-charts/Fraunhofer ISE (DE FR NL BE AT ES IT NO). No LLM, no key. Pair with /api/energy/compute-window for full job scheduling.$0.01 Base1204 ms8 payers100% up
  39. 90agents.samedaydesk.com/extractExtract a public HTTP(S) web page into structured JSON with a clean text excerpt for LLM workflows: title, description, JSON-LD, Open Graph/Twitter metadata, headings, links, and AI-readiness signals. Fetches without JavaScript rendering, follows redirects, and applies a 12-second timeout and 3 MB read cap. The paid JSON keeps requestedUrl, finalUrl, source HTTP status, sourceOk, a nullable error, and capture limits; the excerpt is not the full page. Use /read for longer cleaned Markdown.$0.005 Base1236 ms8 payers100% up
  40. 90polynews.news/api/v1/feedReal-time trade stream with market summaries (2hr rolling window, $500+ trades)$0.001 Base1388 ms8 payers100% up
  41. 90agenttoll.app/api/gasBase gas price check: the current gas price and latest block number; add ?gasLimit=150000 to also get what a transaction that size costs in ETH and USD$0.001 Base1208 ms8 payers100% up
  42. 90x402.aispace.bot/api/v1/image/generateText-to-image generation on Venice models (Flux, SD3.5, GPT-Image, HunyuanImage, and more), paid per request in USDC on Base via x402, no API key. Resolve a model id from GET /api/v1/models?type=image and an optional style from GET /api/v1/image/styles.$0.015 Base1348 ms7 payers100% up
  43. 90uptime.cyberwarex.com/statsFleet-wide uptime statistics for every monitored endpoint: uptime percentage, average response time, and total check cou$0.002 Base1218 ms7 payers100% up
  44. 90x402.api.browser-use.com/api/v3/sessionsBrowser Use: AI browser automation agents in the cloud. POST a natural-language task and an agent navigates websites, fills forms, clicks buttons, extracts structured data, and completes multi-step workflows just like a human. Stealth-enabled remote browsers with CAPTCHA solving, residential proxies, live session view, and optional structured output. Payments top up your balance; managing your session is free — you only pay to open a new browser. Docs: https://docs.browser-use.com$1.00 Base1240 ms7 payers100% up
  45. 90ip402.xyz/v1/geoPaid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.$0.01 Base1298 ms7 payers100% up
  46. 90xmedia.use.x402atlas.com/tweetTwitter (X) video & image downloader — pass a public tweet / X post URL, get direct CDN media links: .mp4 video URLs with thumbnails plus every image in the post, ready to stream, embed, re-host, or download. No scraping or browser automation.$0.005 Base1271 ms7 payers100% up
  47. 90api.xfuel.app/v1/chat/completionsSigned spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completions is the x402 USDC door on Base and Solana. Returns signed receipt + public verify_url. Paying this host is real mainnet USDC.$0.002 Base1508 ms7 payers100% up
  48. 90jmt-x402-proxy.jmthomasofficial.workers.dev/v2/api/whoisRaw RDAP registration record for a domain, returned as structured JSON.$0.002 Base1247 ms7 payers100% up
  49. 90quokkapix.com/api/agent-unlock/coinbase-x402QuokkaPix image agent unlock for image-standard. Media stays local on the user's device.$0.01 Base1972 ms7 payers100% up
  50. 90dns.use.x402atlas.com/whoisWHOIS domain lookup — raw registry text with registrar, nameservers, lifecycle dates and status, plus the responding server. Use the RDAP endpoint when you need parsed structured data.$0.005 Base1104 ms7 payers100% up
  51. 90app.tenna.ai/api/x402/tenna/observatory_round_previewLatest Sealed BTC Forecast. Latest sealed five-minute LUMI, TENNA, and consensus forecast from TENNA Observatory, including English commentary, recent accuracy, and eligible live edge-node consensus. Reuses existing app.tenna.ai output with no extra AI call. Eligible external wallets may receive one zero-budget preview per UTC day; 0.01 USDC is the fallback rate because ACP cannot list a zero price. Experimental forecast with no demonstrated edge.$0.01 Base1734 ms7 payers100% up
  52. 90places.use.x402atlas.com/localGoogle Maps local business search — find places by query and map location (coordinates viewport), returning ratings, reviews, address, phone, website, hours & service options as clean JSON.$0.02 Base1082 ms7 payers100% up
  53. 90api.wallettriage.com/scanWalletTriage — real-time wallet risk check: dangerous ERC20 approvals cross-referenced with a live exploit threat feed. Returns risk_score (0-100), risk_level and actionable findings.$0.01 Base1677 ms7 payers100% up
  54. 90api.justaname.id/ens/v2/resolveResolves an ENS name into its addresses, text records, and content hash, with batch support up to 50 names and per-name chain scoping via interop addresses.$0.005 Base1651 ms7 payers100% up
  55. 90hyperliquid-accounts.use.x402atlas.com/spotA Hyperliquid account's spot token balances, for any 0x address.$0.01 Base1154 ms7 payers100% up
  56. 90x402-factory.com/v1/pingCheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endpoints.$0.001 Base1159 ms7 payers100% up
  57. 90voice.forgemesh.io/v1/tts/baseText-to-speech synthesis in 1 of 10 standard voices (5 male M1-M5, 5 female F1-F5) across 31 languages, up to 500 characters, returned as inline WAV audio. Use it to: give an agent a spoken reply, read an alert aloud, narrate a short UI prompt, add voice to a chatbot response, speak a confirmation message. Cheapest tier. USDC on Base via x402, no API key, no signup.$0.001 Base1028 ms7 payers100% up
  58. 90api.agentstools.dev/extractFetch any public web page and return its main readable content as clean Markdown or plain text plus metadata (title), stripping nav/ads/boilerplate (trafilatura). Optional JS rendering via headless browser for SPAs; markdown or text output. Robots-respecting, public content only — the reader/scraper building block for RAG and agent pipelines.$0.002 Base1016 ms7 payers100% up
  59. 90x402.swaphunt.dev/v1/tools/priceSwapHunt — a crypto market-context toolkit for trading agents: live prices, market regime, volatility, sentiment, funding, macro events, seasonality and anti-FOMO sanity checks, all pay-per-call. This route returns a single asset's live spot price with 24h context: price, 24h change %, 24h high/low and volume — one clean JSON snapshot (BTC, ETH, SOL, any major). For many assets at once use /price/multi.$0.001 Base1263 ms7 payers100% up
  60. 90api.usenami.io/v1/funding/currentFunding rates per venue for one crypto perpetual, or the whole cross-venue set in one call. Major CEX and DEX venues — Binance, Bybit, OKX, Bitget, Gate.io, KuCoin, Hyperliquid, Paradex, Orderly, Lighter and more. Each row carries the venue's rate, its funding interval and the 8h-equivalent rate (venues quote on 1h/4h/8h, so raw rates are not comparable), plus canonical_id, asset_class and mark_price, so a ticker naming two unrelated assets is visible, not silently mixed.$0.001 Base1233 ms7 payers100% up
  61. 90schemasure.com/v2/extractExtract strict, JSON-Schema-valid typed JSON from unstructured text or HTML. Failed extraction calls are not settled. Primary x402 V2 API for production agents.$0.01 Base1422 ms6 payers100% up
  62. 90sqlpermit.schemasure.com/v1/guard/sqlDecide whether an agent-authored PostgreSQL statement complies with an execution policy, using PostgreSQL's own parser rather than pattern matching. Detects statement stacking, data-modifying CTEs, COPY PROGRAM, privilege changes, and dangerous functions that read as ordinary SELECTs. Returns reason codes and an optional short-lived signed permit bound to the exact normalized statement. Never connects to your database.$0.01 Base1337 ms6 payers100% up
  63. 90mysticapi.com/v1/sky/todayLive universal sky snapshot, no inputs: geocentric ecliptic longitudes for 13 bodies (Sun through Pluto, Chiron, lunar nodes) with zodiac sign/degree and 64-gate wheel placements, current moon phase and illumination, active retrogrades, and a 30-day almanac of upcoming stations and lunations. JPL-validated ephemeris. JSON. $0.01 USDC via x402, or API key.$0.01 Base1257 ms6 payers100% up
  64. 90mcp.deep3.ai/tools/wave-1Short-term price-movement forecast for any crypto token across 7 time horizons.$0.001 Base1434 ms6 payers100% up
  65. 90signals.nsgoods.org/signalsLive market-state data for one crypto pair: BUY/SELL/HOLD state + confidence from a multi-timeframe engine. Machine-readable, ECDSA-signed. Input data for AI finance agents (USDC pay-per-call). Free preview: GET /signals/preview Bad input (unknown pair) returns 400; upstream outage returns 503; you are never charged for an error.$0.01 Base1070 ms6 payers100% up
  66. 90youtube.use.x402atlas.com/transcriptFull transcript of any YouTube video by video id or URL: captions/subtitles as clean plain text plus timestamped segments, the video's chapter markers, and every caption track it offers so an agent can pick a language and re-fetch. YouTube transcript, video to text, captions extraction, subtitle download, closed captions, speech to text, multilingual, asr and authored tracks. No API key.$0.02 Base1269 ms6 payers100% up
  67. 90wiki.use.x402atlas.com/summaryWikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, in a clean normalized envelope with CC-BY-SA attribution.$0.005 Base1383 ms6 payers100% up
  68. 90websearch.use.x402atlas.com/extractRead any web page or article: fetch up to 5 URLs in one batch call and extract the main content as clean, LLM-ready markdown or plain text. Convert webpages to markdown, scrape page text, pull article content for RAG ingestion and AI agent context.$0.01 Base1465 ms6 payers100% up
  69. 90agent.kihustle.tech/services/json-schema-repair/jobsDeterministic JSON repair for agent tool outputs, with optional JSON Schema validation. Built for tight agent loops at micropayment prices.$0.01 Base1815 ms6 payers100% up
  70. 90api.brazilayer.com/v1/commodities/climaCrop-weather stress for the Brazilian belts that price global commodities: 7-day observed rain, 7-day FORECAST rain, consecutive dry days and 72h frost risk for the coffee belt (ICE KC), soybean belts (CBOT ZS), sugarcane (ICE SB), corn, orange and cocoa regions. Brazil is the top exporter of coffee, sugar, soybeans and OJ: weather here moves those futures. Updated twice daily. Free sample, no payment: https://api.brazilayer.com/v1/commodities/amostra$0.005 Base148 ms6 payers83% up
  71. 90mcp.yield.xyz/x402/yields_get_allDiscover DeFi yield opportunities across 80+ networks — 3,300+ staking, lending, vault, and RWA yields from Lido, Aave, Morpho, and more. Filter by token, network, yield type, or provider and sort by APY or TVL. Returns yield IDs (needed by every other tool) with APY, TVL, lock-up/cooldown periods, and KYC gating. Start here.$0.001 Base1368 ms6 payers100% up
  72. 90madoromi.fun/api/agent/interpret/fullJapanese dream-interpretation agent API. Returns a Gemini-generated full interpretation from madoromi's curated dream-motif knowledge base (result schema agent-dream-insight.full.v1). Japanese output only. Dream text is never stored or logged. Async by default: the paid POST returns a job id in seconds; fetch the result with a plain free HTTP GET (no x402 client) at /api/agent/interpret/result/{job_id} (ready in ~15s). options.sync=true for one sync response (10-20s; client timeout 60s+).$0.01 Base1522 ms6 payers100% up
  73. 90vedetta.dethboy.com/v1/feedRecent analyst desk posts as a stream (?since_id=&asset=&limit=): cached, instant, half a cent. Poll it cheaply; escalate to a live read when something moves. Descriptive research, not financial advice.$0.005 Base1746 ms6 payers100% up
  74. 90x402.sniperx.fun/api/v1/token/activities/smarttraders_whaleGet Whale trading activities on token (sorted by time descending)$0.02 solana1061 ms6 payers100% up
  75. 90observer.137-184-67-179.sslip.io/paid/evidence-summary.jsonLive Bitcoin BTC-USD market-regime and risk evidence for autonomous AI agents, algorithmic systems, portfolio monitors, and quantitative workflows. Returns current market state and phase, coherence, commitment, pressure, derived directional bias, alert label, completion readiness, transition strength, false-breakout risk, and recent state-change events. Experimental analytics only; not financial advice.$0.01 Base1438 ms6 payers100% up
  76. 90api.speccy.cloud/v1/predictions/polymarketTop Polymarket prediction markets by 24h volume. Returns up to 50 markets with id, question, slug, volume, volume24hr, liquidity, endDate, outcomes and outcomePrices.$0.01 Base1314 ms6 payers100% up
  77. 90glim.sh/api/v1/twitter/trendsTrending topics$0.001 Solana1799 ms6 payers100% up
  78. 90vaaya.ai/api/run/icypeas/resultFetch the result of an Icypeas search launched by icypeas/email-search, email-verification, or domain-scan. Pass `id` (the `item._id` from the launch response); or list recent searches with `mode: "single"` (+ optional `type`: email-search|domain-scan|email-verification) or `mode: "bulk"`, `limit` ≤ 100. Read `items[0].status`: NONE/SCHEDULED/IN_PROGRESS = keep polling (every 3-5s, ≤30 reads/min); FOUND/DEBITED = done, read `items[0].results`; NOT_FOUND/DEBITED_NOT_FOUND = processed, nothing fo…$0.01 Base1127 ms6 payers100% up
  79. 90api.nansen.ai/api/v1/smart-money/perp-tradesGet Smart Money Perpetual Trades Data$0.05 Base1109 ms6 payers100% up
  80. 90agent.connskill.com/v1/keyword-ideasKeyword suggestions for a seed keyword, with search volume and CPC$0.03 Base1083 ms6 payers100% up
  81. 9021millionpixels.art/api/agent/paintPaint one pixel on 21millionpixels.art, a shared 21,000,000-pixel canvas. Reads are free; paid pixels skip the human cooldown.$0.005 Base1132 ms6 payers100% up
  82. 90humanmirror.fr/api/x402/safe-preflight/Preflight a proposed command or AI-agent tool call before execution and verify that operational risk stays within the declared limit.$0.01 Base1537 ms6 payers100% up
  83. 90api.stocktrends.com/v1/indicators/latestCurrent weekly stock analytics for equity research and pre-trade analysis. Returns the latest Stock Trends indicator snapshot for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research.$0.0035 Base2003 ms6 payers100% up
  84. 90api.stocktrends.com/v1/prices/latestLatest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual shares traded), trades, and price change.$0.0025 Base1150 ms6 payers100% up
  85. 90api.stocktrends.com/v1/stim/latestLatest Stock Trends Inference Model (ST-IM) outputs for a symbol: forward return expectations and statistical distributions across 4-week, 13-week, and 40-week horizons. Use /v1/meta/stim for ST-IM provenance, base-period context, and interpretation limits.$0.0025 Base1019 ms6 payers100% up
  86. 90svm402.com/discoverDiscover newly active Solana tokens ranked by genuine organic activity, filtered to exclude wash trading. Optionally filter by minimum organic score and holder count. Call this to find tokens worth researching further with /analyze or /safety. — $0.01 USDC$0.01 Solana1364 ms5 payers100% up
  87. 90api.insumermodel.com/v1/attestSigned attestation (ECDSA plus a post-quantum ML-DSA-65 companion) of on-chain wallet conditions across 37 chains: token balance, NFT ownership, EAS, Farcaster, view calls, ratio rules, and agent standing (ERC-8004 registration, ERC-7710 delegation validity with revocation proof). A verifiable boolean, never raw balances. Up to 10 conditions per pay-per-call request. Pay in USDC on Base, Polygon, Arbitrum, Arc, or Solana.$0.05 Base1483 ms5 payers100% up
  88. 90pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/base/token_price/:addressQuery onchain DEX token price & market data based on the provided token contract addresses on a network.$0.01 Base1212 ms5 payers100% up
  89. 90vape-x402.vapex402.workers.dev/data/bridgesVAPE bridges — Tracked bridges ranked by recent daily volume — bridge exploits are a top attack class, and this is the capital-flow data that category needs a source for.$0.01 Base1904 ms5 payers100% up
  90. 90api.nativebtc.org/v1/mempool/stream-ticketPay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.$0.005 Base1649 ms5 payers100% up
  91. 90hotels.use.x402atlas.com/reviewsHotel reviews — a hotel's guest reviews by property token: rating, date, text, per-aspect subratings, highlights & the owner's reply, with category filter & paging.$0.02 Base1180 ms5 payers100% up
  92. 90api.polym.uk/resolution-riskUMA resolution dispute and flip base rates by category and criterion clarity; descriptive historical compatibility, not a market-specific forecast. BEFORE YOU PAY: free substitute https://dash.polym.uk/uma-base-rates.json and https://dash.polym.uk/uma-flip-rate.json. THIS ADDS: The two artifacts joined into one response, dispute axis and flip axis already aligned by category. The underlying numbers are the same ones in those two free files.$0.05 Base1848 ms5 payers100% up
  93. 90voidfeed.ai/v1/content/extract/dataset/latestReturns clean, normalized datasets of AI model benchmarks, pricing, leaderboard scores, and Ethereum EIPs, parsed from sources that are costly to scrape.$0.05 Base1807 ms5 payers100% up
  94. 90app.suedeai.ai/agent/imageAI image generation from a text prompt. Generate album and single cover art, podcast and video thumbnails, social and campaign graphics, concept art, storyboard frames, product shots, and article illustrations. Returns one hosted still image as PNG or JPEG in square, portrait, or widescreen framing (1:1, 4:5, 9:16, 16:9, 21:9). Async by default: poll the returned pollUrl for imageUrl, or pass ?async=false to block.$0.15 Base1592 ms5 payers100% up
  95. 90api.anchor-x402.com/v1/price/tokenUSD token price (POST wrapper, body: {symbol} or {chain, contract}) — $0.001 USDC$0.001 Base1421 ms5 payers100% up
  96. 90aiagentoracle.ai/api/v1/tokensAgentOracle: list real-time on-chain crypto tokens sorted by market cap, with chain / min-liquidity / min-24h-volume / min-market-cap filters and limit+offset pagination. Each row includes price, 24h volume, market cap, liquidity, 24h price change, and confidence score.$0.01 Base1332 ms5 payers100% up
  97. 90ads.apitoll.cloud/v1/ads/facebook/searchFacebook Ad Library search by keyword — every live and recent ad matching a search term across all advertisers on Facebook, Instagram, Messenger and Threads. Returns the full ad creative (headline, body copy, CTA button + destination link, image and video URLs), the advertiser, run dates and days-running, and platform mix. Commercial and political ads, no Meta API or login. Competitor ad intelligence, ad spy, and creative research for AI agents.$0.03 Base1599 ms5 payers100% up
  98. 90whodeployed.wtf/v1/congress_tapeParsed House/Senate PTR trades: member, ticker, type, amounts, filing lag (last 1000)$0.01 Solana1161 ms5 payers100% up
  99. 90dwelldata.io/api/deals/basicEntry tier of the multifamily deals feed: every active listing at card level — address, price, units, advertised cap rate, listing URL, freshness — without the computed underwriting or scoring. Same coverage, cheapest way to evaluate the feed. Same query filters as the full feed. Every field typed; a query that matches nothing returns free — you never pay for a blank.$0.01 Base1107 ms5 payers100% up
  100. 90api.webbersites.com/api/scrapeFetch any public web page and return clean, readable Markdown with navigation, ads, and boilerplate stripped. For agents that need article text or documentation as Markdown.$0.001 Base1021 ms5 payers100% up