x402watch

53,742 paid endpoints are listed. 25,811 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 2026-10-07 06:24 UTC · 53,742 probed

25,811 answering 40222,423 down4,640 rejecting868 no paywall1,848 price drift
  1. 92api.cn402.com/lunarChinese lunar calendar conversion, solar to lunar date, Gregorian to Chinese lunar, 公历转农历, 农历日期转换, lunar date, Chinese date, sexagenary cycle date, 干支日期. Convert any Gregorian date to Chinese lunar date with full traditional context: lunar year-month-day, year/month/day gan-zhi pillars, zodiac animal year, leap month flag. Accepts payment on Base or Solana — either network works.$0.016 Base372 ms1 payers100% up
  2. 92api.cn402.com/hanzi/s2tSimplified to Traditional Chinese converter, 简体转繁体, 简繁转换, mainland to Taiwan Chinese, Chinese character set conversion, GB to BIG5, OpenCC converter, Hanzi simplified traditional, Chinese localization. Convert Simplified Chinese text to Traditional Chinese (Taiwan standard). Accepts payment on Base or Solana — either network works.$0.0022 Base369 ms1 payers100% up
  3. 92api.cn402.com/folk/lucky-colorPersonal lucky colors, 个人幸运颜色, Chinese Feng Shui colors, 命理幸运色, BaZi lucky color, Five Elements color matching, 五行颜色, personal color Feng Shui, Chinese folk color recommendation. Determine personal lucky and unlucky colors from birth date based on Five Elements (Wu Xing) compatibility. Accepts payment on Base or Solana — either network works.$0.016 Base383 ms1 payers100% up
  4. 92api.cn402.com/zodiacChinese zodiac, 12 zodiac animals, shengxiao, 生肖, Chinese zodiac year, Year of the Rat Ox Tiger Rabbit Dragon Snake Horse Goat Monkey Rooster Dog Pig, 鼠牛虎兔龙蛇马羊猴鸡狗猪, Chinese astrology animal sign, lunar zodiac. Get the Chinese zodiac animal for any year, including element (gold/wood/water/fire/earth) and 60-year sexagenary name. Accepts payment on Base or Solana — either network works.$0.016 Base410 ms1 payers100% up
  5. 92api.cn402.com/hanzi/t2sTraditional to Simplified Chinese, 繁体转简体, 繁简转换, Taiwan to mainland Chinese, BIG5 to GB, OpenCC traditional simplified, Chinese variant conversion, Chinese normalization. Convert Traditional Chinese (Taiwan/HK) to Simplified Chinese (mainland China). Accepts payment on Base or Solana — either network works.$0.0022 Base397 ms1 payers100% up
  6. 92api.cn402.com/hanzi/pinyinChinese pinyin, hanzi to pinyin, Mandarin romanization, 拼音转换, Chinese phonetic, Hanyu Pinyin with tones, 普通话拼音, Chinese to Latin, Mandarin transliteration, tone marks numbers. Convert Chinese characters to Pinyin (Hanyu Pinyin) with tone marks. For AI agents handling Chinese text-to-speech, Chinese language learning apps. Accepts payment on Base or Solana — either network works.$0.008 Base453 ms1 payers100% up
  7. 92api.cn402.com/almanacChinese almanac (老黄历, Tong Sheng, 黄历) for daily date selection. Returns lunar date, ganzhi heavenly stems and earthly branches (天干地支), na yin (纳音), yi ji auspicious activities (宜忌), zodiac day clash, 28 lunar mansions (二十八宿), 12 day officers (建除十二神), pengzu taboos (彭祖百忌). For Chinese cultural queries, wedding date picking, business date picking, traditional astrology. Accepts payment on Base or Solana — either network works.$0.08 Base456 ms1 payers100% up
  8. 92api.cn402.com/iching/coinI Ching three-coin method, 摇卦, coin oracle, Three Coin Yi Jing, 铜钱占卜, traditional I Ching divination, changing lines coin toss, 本卦变卦 original transformed hexagram. Simulate the traditional three-coin Yi Jing divination: 6 throws producing original hexagram + transformed hexagram with changing lines. Accepts payment on Base or Solana — either network works.$0.08 Base443 ms1 payers100% up
  9. 92agentreadiness.halowerk.com/v1/person-entity-auditPerson entity audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base432 ms1 payers100% up
  10. 92agentreadiness.halowerk.com/v1/perplexitybot-access-repairPerplexityBot access repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base371 ms1 payers100% up
  11. 92agentreadiness.halowerk.com/v1/perplexitybot-access-auditPerplexityBot access audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base358 ms1 payers100% up
  12. 92agentreadiness.halowerk.com/v1/page-description-repairMachine-readable description repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base348 ms1 payers100% up
  13. 92agentreadiness.halowerk.com/v1/page-description-decisionMachine-readable description decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base401 ms1 payers100% up
  14. 92agentreadiness.halowerk.com/v1/page-description-auditMachine-readable description audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base308 ms1 payers100% up
  15. 92agentreadiness.halowerk.com/v1/organization-entity-auditOrganization entity audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base371 ms1 payers100% up
  16. 92agentreadiness.halowerk.com/v1/openapi-discovery-repairOpenAPI discovery repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base339 ms1 payers100% up
  17. 92agentreadiness.halowerk.com/v1/openapi-discovery-decisionOpenAPI discovery decision fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base309 ms1 payers100% up
  18. 92agentreadiness.halowerk.com/v1/openapi-discovery-auditOpenAPI discovery audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.$0.001 Base499 ms1 payers100% up
  19. 92x402.orthogonal.com/signalbase/signals/fundingFetch funding signals with filtering by date, country, round type, amount, industry, and more. Pagination billing: call the first page normally and save billing.requestId from the Orthogonal /v1/run response. For later page, offset, or cursor calls on the same logical search, pass parentRequestId with unchanged non-pagination parameters. Valid continuation calls still get their own request IDs and quoted price, but are charged 0. Changing filters starts a new billable request.$0.08 Base322 ms1 payers100% up
  20. 92x402.orthogonal.com/signalbase/signals/hiringFetch hiring signals (open job postings) with position, department, seniority, and location filters. Pagination billing: call the first page normally and save billing.requestId from the Orthogonal /v1/run response. For later page, offset, or cursor calls on the same logical search, pass parentRequestId with unchanged non-pagination parameters. Valid continuation calls still get their own request IDs and quoted price, but are charged 0. Changing filters starts a new billable request.$0.08 Base321 ms1 payers100% up
  21. 92x402.orthogonal.com/signalbase/signals/acquisitionsFetch acquisition signals with filtering by date, country, deal amount, and company details. Pagination billing: call the first page normally and save billing.requestId from the Orthogonal /v1/run response. For later page, offset, or cursor calls on the same logical search, pass parentRequestId with unchanged non-pagination parameters. Valid continuation calls still get their own request IDs and quoted price, but are charged 0. Changing filters starts a new billable request.$0.08 Base326 ms1 payers100% up
  22. 92x402.orthogonal.com/signalbase/companiesBrowse and search companies with filtering by industry, size, location, and founding year. Pagination billing: call the first page normally and save billing.requestId from the Orthogonal /v1/run response. For later page, offset, or cursor calls on the same logical search, pass parentRequestId with unchanged non-pagination parameters. Valid continuation calls still get their own request IDs and quoted price, but are charged 0. Changing filters starts a new billable request.$0.08 Base364 ms1 payers100% up
  23. 92x402endpoint-924155002144.us-west2.run.app/get-imageWater-Saving Dual-Function Handle$0.30 Base387 ms1 payers100% up
  24. 92x402.orthogonal.com/leadsforge/search/filters/funding-typesGet available funding type values for search filtering.$0.005 Base307 ms1 payers100% up
  25. 92x402.orthogonal.com/leadsforge/lookalikes/filters/senioritiesGet available seniority values for lookalikes filtering.$0.005 Base314 ms1 payers100% up
  26. 92x402.orthogonal.com/leadsforge/lookalikes/filters/employee-rangesGet available employee range values for lookalikes filtering.$0.005 Base332 ms1 payers100% up
  27. 92x402.orthogonal.com/leadsforge/lookalikes/filters/departmentsGet available department values for lookalikes filtering.$0.005 Base308 ms1 payers100% up
  28. 92x402.orthogonal.com/joinmassive/searchRetrieve search results or queue a search for later retrieval. Supports Google engine with geotargeting by country, subdivision, and city. Returns structured SERP data. Pagination billing: call the first page normally and save billing.requestId from the Orthogonal /v1/run response. For later page, offset, or cursor calls on the same logical search, pass parentRequestId with unchanged non-pagination parameters. Valid continuation calls still get their own request IDs and quoted price, but are charged 0. Changing filters starts a new billable request.$0.0125 Base335 ms1 payers100% up
  29. 92finance.toon.haus/api/market/newsMarket news$0.005 Base448 ms1 payers100% up
  30. 92finance.toon.haus/api/stock/metricsP/E, PEG, margins, ROE, growth, beta$0.005 Base531 ms1 payers100% up
  31. 92finance.toon.haus/api/market/trendingTrending symbols$0.001 Base628 ms1 payers100% up
  32. 92demohouse.dev/api/x402/capPurchase Trucker Cap$4.00 Base Sepolia447 ms1 payers100% up
  33. 92demohouse.dev/api/x402/stay-tinyPurchase Timber Tiny House$3.00 Base Sepolia473 ms1 payers100% up
  34. 92demohouse.dev/api/x402/stay-treehousePurchase Redwood Treehouse$5.00 Base Sepolia530 ms1 payers100% up
  35. 92demohouse.dev/api/x402/stay-loftPurchase Skylight Loft$4.00 Base Sepolia475 ms1 payers100% up
  36. 92demohouse.dev/api/x402/unlockPurchase Unlock Premium$5.00 Base Sepolia521 ms1 payers100% up
  37. 92api.freaks.one/v2/tools/run/freaks-v2-1106-sniperfreaks-v2-1106-sniper$0.05 Base846 ms1 payers100% up
  38. 92api.freaks.one/v2/tools/run/freaks-v2-432-smartmoneyfreaks-v2-432-smartmoney$0.10 Base840 ms1 payers100% up
  39. 92finance.toonhaus.dev/api/stock/price-historyOHLCV candles$0.005 Base973 ms1 payers100% up
  40. 92finance.toonhaus.dev/api/stock/optionsOptions chain with IV, volume, OI$0.01 Base935 ms1 payers100% up
  41. 92finance.toonhaus.dev/api/stock/filingsSEC filings (10-K, 10-Q, 8-K, etc.)$0.01 Base978 ms1 payers100% up
  42. 92finance.toonhaus.dev/api/stock/lobbyingCorporate lobbying records$0.005 Base908 ms1 payers100% up
  43. 92gateway-production-1a96.up.railway.app/opportunitiesAI-analyzed EU public procurement opportunities from TED for companies seeking new contracts, tenders and commercial opportunities across Europe$0.05 Base666 ms1 payers100% up
  44. 92digital-micro-arbitrage-v0-production.up.railway.app/v0/watch/secTestnet one-shot SEC 8-K watch for 1–30 days. The callback is operator-owned; notifications do not reach your application. Successful JSON returns watcher_id, status, payer, payment_tx and network. Check status with GET https://digital-micro-arbitrage-v0-staging.joan-rnandez.workers.dev/v0/watch/{watcher_id}. No filing is guaranteed. If payment reconciliation is pending, retain the receipt and check status; do not purchase again.$0.05 Base Sepolia656 ms1 payers100% up
  45. 92icp-agent-marketplace.ngrok.app/api/agent-memoryPersistent memory for AI agents — secure, automatically backed up, and running on redundant ICP infrastructure with no single point of failure. Store what your agent needs to remember, on-chain, pay-per-write.$0.028 Base759 ms1 payers100% up
  46. 92icp-agent-marketplace.ngrok.app/api/agent-serviceOn-demand AI responses backed by autonomous ICP canisters. Submit a prompt, get an answer — redundant infrastructure, pay-per-query, no account required.$0.028 Base753 ms1 payers100% up
  47. 92openwebninja-x402.vercel.app/api/play-store-apps/top-grossing-gamesFetch Google Play Store top grossing games.$0.01 Base675 ms1 payers100% up
  48. 92openwebninja-x402.vercel.app/api/play-store-apps/top-grossing-appsFetch Google Play Store top grossing apps.$0.01 Base640 ms1 payers100% up
  49. 92openwebninja-x402.vercel.app/api/play-store-apps/top-free-gamesFetch Google Play Store top free games.$0.01 Base693 ms1 payers100% up
  50. 92demo-house-two.vercel.app/api/x402/totePurchase Coinbase Tote Bag$5.00 Base Sepolia653 ms1 payers100% up
  51. 92demo-house-two.vercel.app/api/x402/capPurchase x402 Trucker Cap$4.00 Base Sepolia760 ms1 payers100% up
  52. 92svm402.com/priceCurrent price and liquidity data for a Solana token given its mint address, sourced from Jupiter and Helius. Call this for a quick, cheap market quote when you do not need the full analysis. — $0.01 USDC$0.01 Solana586 ms0 payers100% up
  53. 92api.teardrop.dev/tools/mcpTeardrop MCP gateway: pay-per-call tools for AI agents covering token prices, DeFi yields and lending, wallet portfolios and approvals, onchain transactions, DEX quotes, and web search. Call via MCP tools/call over streamable HTTP; settle with x402 USDC on Base.$0.005 Base955 ms0 payers100% up
  54. 92api.teardrop.dev/tools/mcpTeardrop MCP gateway: pay-per-call tools for AI agents covering token prices, DeFi yields and lending, wallet portfolios and approvals, onchain transactions, DEX quotes, and web search. Call via MCP tools/call over streamable HTTP; settle with x402 USDC on Base.$0.005 Base804 ms0 payers100% up
  55. 92api.teardrop.dev/tools/mcpTeardrop MCP gateway: pay-per-call tools for AI agents covering token prices, DeFi yields and lending, wallet portfolios and approvals, onchain transactions, DEX quotes, and web search. Call via MCP tools/call over streamable HTTP; settle with x402 USDC on Base.$0.005 Base873 ms0 payers100% up
  56. 92api.teardrop.dev/tools/mcpTeardrop MCP gateway: pay-per-call tools for AI agents covering token prices, DeFi yields and lending, wallet portfolios and approvals, onchain transactions, DEX quotes, and web search. Call via MCP tools/call over streamable HTTP; settle with x402 USDC on Base.$0.005 Base821 ms0 payers100% up
  57. 92api.agentic-swarm-marketplace.com/x402/v1/ecosystem-pulseReturns a current machine-readable PoCon operational snapshot of Agentic Swarm Marketplace activity: oracle prices, worker status, bazaar readiness, intake inventory, and signal flags. Intended for autonomous agents monitoring whether to purchase deeper marketplace intelligence. Optional fresh=1 rebuilds from live feeds.$0.04 Base748 ms–100% up
  58. 92api.marketintelligenceapi.com/api/v1/intelligence/token-price/:addressToken price by contract address, live from the chain ($0.001): USD price of any ERC-20 on Base, Ethereum, Arbitrum, Optimism or Polygon from a simulated $100 buy and sale on the best DEX route (Uniswap v2/v3/v4, Aerodrome), with buy and sell price, round-trip cost as a liquidity gauge, total supply and fully diluted value. Use for the current price of any token, including ones too new for price APIs.$0.001 Base881 ms–100% up
  59. 92shop.netlobo.com/snapshot/x402-route-heatx402 Route Heat: per-route payment-gap snapshot from the shop's own signed ledger record — who knocks on each paid route (unique agents), attempts vs settlements over 30 days, and the gap between them. Where x402 agents actually pay, route by route.$0.005 Base811 ms–100% up
  60. 92shop.netlobo.com/v1/gasLive Base mainnet gas price with the USDC cost of standard transfers, so an x402 buyer can budget principal + gas in the unit it pays with. eth_gasPrice + ETH/USD spot, fetched per call.$0.01 Base817 ms–100% up
  61. 92deltasignal-mcp-gcp-canary-mhaufviwaq-uc.a.run.app/v1/daily-changes/latestCompact Daily Monitoring snapshot for the tracked slice.$0.03 Base333 ms–100% up
  62. 92shop.netlobo.com/snapshot/x402-ecosystemx402 ecosystem stats (30-day): transactions, volume, buyers, sellers. Timestamped, refreshed every 6h.$0.10 Base566 ms–100% up
  63. 91blockrun.ai/api/v1/pm/polymarket/leaderboardGet the global leaderboard of smart wallets$0.0085 Base681 ms25 payers93% up
  64. 91api.nansen.ai/api/v1/prediction-market/market-screenerGet Prediction Market Screener$0.01 Base573 ms15 payers93% up
  65. 91blockrun.ai/api/v1/pm/markets/searchSearch markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call$0.0085 Base752 ms9 payers93% up
  66. 91penny402.fun/obliqueOne original constraint card in the tradition of lateral-thinking decks: a short instruction, reversal or question you can apply to whatever is stuck, written fresh by a model at high temperature on every call. The cards are ours, never a card from any published deck. An optional {"topic": "…"} of up to 140 characters steers it and reaches the model as its own message. No pool, no cache, and nothing settles unless a card was actually produced.$0.0025 Base634 ms6 payers93% up
  67. 91x402.devvizion.com/v0/bid-draftPaste-ready bid draft (0.01 USDC cheapest). Free radar first: GET /v0/sample-radar then POST {brief}.$0.01 Base499 ms5 payers93% up
  68. 91polymarket-signal-api.pwnker-polymarket-signals.workers.dev/v1/performancePolySignal paper-trading performance summary, including win rate, ROI, PnL, open trades, settled trades, and tag-level breakdowns.$0.001 Base689 ms5 payers93% up
  69. 91md.fastdb.in/pulse/oddsPolymarket prediction market odds — live prices for any market by free-text search or slug: outcomes, prices, spread, 24h volume, liquidity, resolution date.$0.001 Base604 ms5 payers93% up
  70. 91vu.velvetdao.xyz/api/v1/wallet_402AI wallet portfolio analysis: token balances, PnL, risk metrics.$0.01 Base782 ms5 payers93% up
  71. 91api.vextorium.com/accion-tokenizada-pagoOfficial tokenized versions of a US stock or ETF on Solana (xStocks by Backed and Ondo Global Markets): verified mint addresses, on-chain supply and issuer authority check. Accepts NVDA, NVDAx or NVDAon.$0.004 Base820 ms5 payers93% up
  72. 91jev-x402-evil.vercel.app/jevStructured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.$0.005 Base636 ms5 payers93% up
  73. 91crypto.openverbs.com/v1/protocolTotal value locked (USD) for one DeFi protocol by DefiLlama slug or name (e.g. "aave-v3", "lido", "uniswap-v3"): current TVL, per-chain TVL breakdown, 1h/1d/7d TVL change, category, chains, token symbol and market cap. Optional `chain` also returns that chain's TVL for the protocol. Unknown names return `found:false` with slug `suggestions`.$0.001 Base541 ms5 payers93% up
  74. 91products.openverbs.com/v1/amazon-searchAmazon product search API - search Amazon products / find products on Amazon by keyword (US). Live Amazon product data: ranked listings with ASIN, title, product URL, image, price range, currency, star rating, review count and Amazon's Choice / Best Seller flags. No matches returns empty results.$0.006 Base539 ms5 payers93% up
  75. 91perpsignals.use.x402atlas.com/fear-greedCrypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extreme Fear … Extreme Greed), as a clean snake_case envelope.$0.005 Base51 ms4 payers90% up
  76. 91hyperliquid.use.x402atlas.com/predicted-fundingPredicted next funding rates per asset across venues (Hyperliquid vs CEX perps) — cross-venue carry, de-positioned from Hyperliquid's nested arrays.$0.01 Base51 ms4 payers90% up
  77. 91lionx402.com/api/x402/social-signal-intel-jsonLION Social Signal Intel (HN + Reddit keyless attention/trend)$0.004 Base760 ms4 payers93% up
  78. 91coil.trade/api/board/nameScore one name or a whole watchlist in one read. GET /api/board/name?sym=NVDA (or ?sym=NVDA,AMD,MSFT — up to 10 names, one price) returns each name's full Coil read: opportunity 0-100 + percentile, entry quality and state (READY / SETUP / WAIT / CHASE / FALLING), hold strength, growth score, gap-risk, leadership flag, dollar volume, its coil read (coil_score, coil_kind, coil_note) and its book's regime. Any S&P 500, Nasdaq-100 or macro name. ~5-min refresh. Research, not advice.$0.005 Base379 ms4 payers93% up
  79. 91tollbooth-sanctions-screener.sjwilliams8.workers.dev/screenBefore your agent onboards, pays, or contracts with a counterparty: screen the name against the U.S. Treasury OFAC sanctions lists (SDN + Consolidated non-SDN, synced every 6h) for $0.01. Benchmarked 114/114 sanctioned names found with zero false positives on a 152-case adversarial corpus of misspellings, word-order swaps, and transliterated aliases. Ranked candidates with confidence 0-100, program tags, and match evidence. Assistive screening signal, not a certified compliance determination.$0.01 Base889 ms4 payers93% up
  80. 91api.reloadpi.com/api/catalog/vouchers/brandsReloadpi — List all available voucher brands including Amazon, Google Play, Netflix and more$0.001 Base786 ms4 payers93% up
  81. 91api.govparse.io/v1/stats/sponsorsHow much visa-sponsorship data is on file? Headline aggregates over DOL OFLC disclosure data: distinct sponsoring employers, LCA and PERM case totals with certified counts, and the fiscal years covered.$0.001 Base782 ms4 payers93% up
  82. 91quartermaster.surewhynot.app/v1/dnsResolve DNS records using DNS-over-HTTPS and return structured JSON for infrastructure, security, and agent workflows.$0.001 Base773 ms3 payers93% up
  83. 91api.stelardigital.com/pricecheckCurrent price, 24h and 7d percent change, and a bullish/bearish/neutral signal for a crypto asset (SOL, BTC, ETH, XRP, DOGE, LTC, ADA, XLM). For agents needing a fast price-and-momentum check before a trade decision. Optional ?candles=N (up to 30, $0.05) adds N closed daily OHLC candles.$0.005 Base545 ms3 payers93% up
  84. 91palmyr.ai/social/twitter/registered/mineList registered X accounts your wallet owns or has shared access to.$0.001 Solana456 ms3 payers93% up
  85. 91lionx402.com/api/x402/composite-bundle-jsonMulti-chain keyless RPC + Ed25519-attested enrichment, one call$0.001 Base764 ms3 payers93% up
  86. 91cryptyx.ai/api/ai/metricsPer-asset agent grounding bundle — profile (composite score, ranks, returns, volatility, Sharpe), an 8×8 factor cube (t-score percentile and band), regime, and raw order-book liquidity. Single aligned snapshot. Coverage: pass any asset in the CRYPTYX 200+ tracked universe (BTC, ETH, SOL, top-cap + long-tail).$0.01 Base714 ms3 payers93% up
  87. 91stabletravel.dev/api/flightaware/airports/KMIA/weather/observationsGet weather observations (METAR) for a specific airport$0.004 Base346 ms3 payers93% up
  88. 91netintel.dev/api/v1/chat/completionsOpenAI-compatible chat completions gateway (alias of /v1/chat/completions for api/v1-style base URLs) — standard request shape, model chosen in the body: any gpt-* chat model (not Claude/embeddings), each at its own price. Priced per model, $0.005–$0.65 per call in USDC via x402, no API key: POST unpaid and the 402 quotes your model's exact price. Supports response_format json_object. Free model catalog: GET /v1/models.$0.005 Base578 ms3 payers94% up
  89. 91bazaar-catalog.vercel.app/api/hijriConvert Gregorian dates to Hijri (Umm al-Qura calendar) and back. Returns day/month/year, Arabic and English month names, and a formatted Arabic date string. Essential for agents handling Islamic events, Ramadan, Hajj seasons, or Arabic documents.$0.01 Base791 ms3 payers93% up
  90. 91api.vextorium.com/precio-oraculo-pagoTamper-resistant price from Chainlink Data Feeds on Base (ETH/USD, BTC/USD, USDC/USD, or any Chainlink aggregator address), with update time and staleness in seconds.$0.004 Base773 ms3 payers93% up
  91. 91api.vextorium.com/saldos-wallet-pagoWallet balances on Base or Ethereum in one call: native ETH plus WETH, USDC, USDT, DAI and cbBTC/WBTC (and optionally any extra ERC-20), with approximate USD value from Chainlink oracles.$0.005 Base729 ms3 payers93% up
  92. 91api.vextorium.com/info-token-pagoERC-20 token profile read directly from the contract on Base or Ethereum: name, symbol, decimals, total supply, bytecode size and whether it is an upgradeable EIP-1967 proxy (with implementation address).$0.005 Base733 ms3 payers93% up
  93. 91api.vextorium.com/fear-greed-pagoCrypto Fear & Greed Index (0-100) with classification. Data source: Alternative.me (attribution included in the response).$0.005 Base593 ms3 payers93% up
  94. 91api.vextorium.com/comprobar-salud-pagoAPI/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.$0.005 Base586 ms3 payers93% up
  95. 91api.vextorium.com/cotizacion-dex-pagoOn-chain swap quote on Base from Uniswap v3 QuoterV2 across all fee tiers (0.01%, 0.05%, 0.3%, 1%): output amount, unit price, best pool and gas estimate. Accepts symbols (WETH/ETH, USDC, USDT, DAI, cbBTC) or token addresses. Read-only, no swap executed.$0.008 Base590 ms3 payers93% up
  96. 91api.vextorium.com/precio-cripto-pagoCrypto price in USD and EUR from on-chain sources only: Chainlink oracles (BTC, ETH, USDC) or Uniswap v3 quotes on Base (USDT, DAI or any Base token address); EUR via ECB rate.$0.01 Base594 ms3 payers93% up
  97. 91api.vextorium.com/liquidaciones-pagoDeFi liquidations read on-chain from Aave v3 on Base, Ethereum, Arbitrum, Optimism and Polygon: total USD liquidated, event count, breakdown by network, collateral and debt asset, and latest events with explorer links. Window 1-24h, optional asset filter.$0.01 Base759 ms3 payers93% up
  98. 91api.vextorium.com/verificar-tokenizada-pagoAnti-scam check for tokenized stocks on Solana: tells whether a token mint was issued by an official issuer (xStocks/Backed, Ondo) via its mint authority, or is a POSSIBLE IMITATION posing as one.$0.004 Base377 ms3 payers93% up
  99. 91api.vextorium.com/empresa-fundamentales-pagoUS listed company fundamentals from public SEC filings (XBRL): last quarters and years of revenue, net income, diluted EPS, operating cash flow, assets, liabilities, equity, cash, dividends and shares outstanding.$0.006 Base368 ms3 payers93% up
  100. 91api.vextorium.com/aave-tipos-pagoAave v3 live lending and borrowing APY for the main assets (WETH, USDC, USDT, DAI, cbBTC/WBTC) on a chain.$0.005 Base434 ms3 payers93% up