x402watch

52,778 paid endpoints are listed. 41,522 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 2026-11-14 06:38 UTC · 52,778 probed

41,522 answering 4025,071 down5,452 rejecting733 no paywall944 price drift
  1. 25aviation-calc.x402tookit.com/wind-triangleE6B wind triangle: wind correction angle, heading and groundspeed for a course, or track and groundspeed for a heading flown.$0.02 Baserejecting2 payers0% up
  2. 25aviation-calc.x402tookit.com/turn-holdTurn rate, radius, bank angle and load factor from true airspeed, plus holding pattern leg length, width and time.$0.02 Baserejecting2 payers0% up
  3. 25aviation-calc.x402tookit.com/true-airspeedTrue airspeed, Mach and equivalent airspeed from calibrated airspeed, pressure altitude and outside air temperature.$0.02 Baserejecting2 payers0% up
  4. 25aviation-calc.x402tookit.com/pressure-altitudePressure altitude from field elevation and altimeter setting (inHg or hPa), exact ISA result and the 1000 ft per inHg rule.$0.02 Baserejecting2 payers0% up
  5. 25aviation-calc.x402tookit.com/isa-atmosphereStandard atmosphere at an altitude: temperature, pressure, density, sound speed, and ISA deviation for a measured temperature.$0.02 Baserejecting2 payers0% up
  6. 25automotive-calc.x402tookit.com/towing-payloadTowing check in pounds: payload left after people, cargo and tongue weight, tow rating and combined weight limits.$0.02 Baserejecting2 payers0% up
  7. 25automotive-calc.x402tookit.com/lease-vs-buyLease versus buy over the lease term: lease payment from money factor and residual, loan payment, resale equity and net cost.$0.02 Baserejecting2 payers0% up
  8. 25automotive-calc.x402tookit.com/gear-rpmEngine RPM at a road speed (or speed at an RPM) from tire size, axle ratio and transmission gear ratios, with a table by gear.$0.02 Baserejecting2 payers0% up
  9. 25automotive-calc.x402tookit.com/ev-efficiencyEV efficiency in kWh per 100 miles, miles per kWh, Wh per km and MPGe, range from battery size, and cost versus a gas car.$0.02 Baserejecting2 payers0% up
  10. 25automotive-calc.x402tookit.com/engine-calcEngine displacement in cc, litres and cubic inches from bore, stroke and cylinders; compression ratio and mean piston speed.$0.02 Baserejecting2 payers0% up
  11. 25automotive-calc.x402tookit.com/depreciationVehicle value year by year by straight-line, declining-balance or your own yearly percentage drops, with total loss.$0.02 Baserejecting2 payers0% up
  12. 25automotive-calc.x402tookit.com/acceleration-estimateEstimate quarter-mile time and trap speed from weight and horsepower (Hale), plus a power-limited lower bound for 0-60 mph.$0.02 Baserejecting2 payers0% up
  13. 25audio-calc.x402tookit.com/tuning-temperamentFrequencies, cents and ratios of the 12 notes in equal, 5-limit just, Pythagorean or quarter-comma meantone tuning.$0.02 Baserejecting2 payers0% up
  14. 25audio-calc.x402tookit.com/sound-wavelengthSpeed of sound in air at a temperature, wavelength and period for a frequency or the reverse, with delay per metre.$0.02 Baserejecting2 payers0% up
  15. 25audio-calc.x402tookit.com/room-modesRoom mode frequencies (axial, tangential, oblique) for a rectangular room, plus Schroeder frequency from RT60.$0.02 Baserejecting2 payers0% up
  16. 25audio-calc.x402tookit.com/db-sumAdd, average or subtract sound levels in dB: total of several sources, N identical sources, or background-corrected level.$0.02 Baserejecting2 payers0% up
  17. 25audio-calc.x402tookit.com/bit-depthDynamic range, levels and smallest step for a PCM bit depth, theoretical SNR, and the bit depth needed for a dB range.$0.02 Baserejecting2 payers0% up
  18. 25airports-reference.x402tookit.com/big-hubsBusiest large airports ranked by annual passengers (latest Wikidata figure), optionally by country or continent.$0.02 Baserejecting2 payers0% up
  19. 25airports-reference.x402tookit.com/airport-timezoneTime zone offset of an airport: reports whether the dataset has one (it does not) and gives a nominal solar offset.$0.02 Baserejecting2 payers0% up
  20. 25airports-reference.x402tookit.com/airport-lookupFind an airport by IATA code, ICAO code or name with fuzzy matching: location, elevation, type, longest runway.$0.02 Baserejecting2 payers0% up
  21. 25airports-reference.x402tookit.com/airport-code-convertConvert an airport code between IATA (3 letters) and ICAO (4 letters) and validate the format; reports unknown codes.$0.02 Baserejecting2 payers0% up
  22. 25agri-calc.x402tookit.com/yield-convertConvert crop yield between bushels per acre and kg per hectare for corn (56 lb), wheat and soybeans (60 lb).$0.02 Baserejecting2 payers0% up
  23. 25agri-calc.x402tookit.com/lime-estimateILLUSTRATIVE lime rate estimate to raise soil pH, by texture, product strength and depth. Not a lab recommendation.$0.02 Baserejecting2 payers0% up
  24. 25agri-calc.x402tookit.com/irrigation-timeIrrigation run time and water volume to apply a depth over an area at a pump or system flow rate and efficiency.$0.02 Baserejecting2 payers0% up
  25. 25agri-calc.x402tookit.com/gddGrowing degree days from daily max and min temperatures: modified corn 86/50 F method or the simple standard average.$0.02 Baserejecting2 payers0% up
  26. 25agri-calc.x402tookit.com/fertilizer-rateFertilizer product rate and total needed to hit a target N, P2O5 or K2O rate, and all nutrients it supplies.$0.02 Baserejecting2 payers0% up
  27. 25agri-calc.x402tookit.com/feed-rationLivestock feed needed per day and for a period from head count, body weight, dry-matter intake, feed moisture and waste.$0.02 Baserejecting2 payers0% up
  28. 25api.howtocancel.ai/v1/policy/:slugHow to cancel a subscription, or a store's return policy: steps, deadlines, fees, catches, official source and date checked.$0.01 Baserejecting2 payers0% up
  29. 25api.greyridgesignals.ai/chain/token-reportIs this Base token safe to buy? One call returns a decision-grade trade-safety verdict — SAFE | CAUTION | AVOID — with risk_score (0-100) and reasons: honeypot/sellability simulation, owner-renounced + mint/pause/blacklist/fee-setter/upgradeable-proxy checks, symbol/name/decimals, and Uniswap v3 WETH-pool liquidity (USD). Replaces many RPC calls and prevents a bad trade. Use when an agent is about to buy or swap a Base ERC-20 and needs a SAFE/CAUTION/AVOID decision.$0.01 Baserejecting2 payers0% up
  30. 25the-wild-x402.mhoydich.workers.dev/api/elements/:elementId/collectA numbered material, Cairn Crab or Pocket Wild pixel creature from The Wild's field edition, $0.01 USDC on Base: 1000 editions per material or crab, 128 per pixel creature. A public site record with a receipt, optionally dedicated to a spirit's altar; not an NFT.$0.01 Baserejecting2 payers0% up
  31. 25hiring-monitor.latamfx.workers.dev/v1/company/:companyCurrent public Lever job openings, counts by team, department, location, commitment and workplace type. Optional since ISO timestamp filters openings by creation date. No account or API key required.$0.002 Baserejecting2 payers0% up
  32. 25degengraph.com/v1/token/:mint/earlyearly-buyer stats: first-20 buyers/SOL, same-slot (bundle) buyers, first 10 wallets$0.005 Baserejecting2 payers0% up
  33. 25api.netnestdesign.com/v1/history/:ticker/:metricFinancial history of one metric from SEC filings, newest first: revenue history, net income history, EPS history, cash flow history and more, by year, quarter or trailing twelve months. Up to 200 periods, each with its 10-K or 10-Q, filing date and SEC link.$0.02 Baserejecting2 payers0% up
  34. 25workers.miodiollc.com/v1/sanctions/:addressMioDio Meridian OFAC SDN screen: exact match of one digital-currency address against public SDN Digital Currency Address entries (~$0.005 USDC Exact on Base). Informational only. Use before interacting with an address to check it against public OFAC SDN digital currency entries. Errors: 400 invalid_address or unsupported_chain, 402 payment required, unexpected 5xx is not charged. MioDio x402 DeFi. Terms: https://workers.miodiollc.com/terms$0.005 Baserejecting2 payers0% up
  35. 25api.mekongtradeintel.com/dnswhoisDomain intelligence in one call: DNS records (A, AAAA, MX, TXT, NS, CNAME), WHOIS via RDAP (registrar, created, expires, status), and live SSL certificate (issuer, validity, expiry). $0.005 per call. No account or API key needed.$0.005 Baserejecting2 payers0% up
  36. 25thepocketoperator.com/x402-test/data/pitfalls/:idOne Regelkartan pitfall row by id (GDPR, AI Act, ISO): rule, law, wrong, right; en + sv. Same data is free at thepocketoperator.com/pitfalls.json; you pay for the per-row API$0.001 Baserejecting2 payers0% up
  37. 25blackfriday.enterprises/v1/stores/:store/dealsEvery Black Friday deal loaded so far for one US retailer, best discount first, in one response: SKU, regular and sale price, discount, start and end. No paging or filters. An unknown retailer or no deals is a free 404$0.25 Baserejecting2 payers0% up
  38. 25api.tickersfeed.net/wallet/:address/portfolioMulti-token portfolio balances for any wallet address on Base or Ethereum — every token holding with balance as JSON. Powered by Dune Analytics. Use for: wallet balance check, onchain portfolio tracking, token holdings lookup, treasury monitoring. $0.003 USDC per call.$0.003 Baserejecting2 payers0% up
  39. 25api.tickersfeed.net/wallet/:address/transfersToken transfer history for any wallet address on Base or Ethereum — inbound/outbound transfers with token, amount, direction, and timestamp as JSON. Powered by Dune Analytics. Use for: wallet activity tracking, onchain transaction history, USDC transfer audit, address monitoring. $0.003 USDC per call.$0.003 Baserejecting2 payers0% up
  40. 25api.nonsynthetic.net/api/v1/util/semversemver compare {a,b} -> cmp -1|0|1$0.002 Baserejecting2 payers0% up
  41. 25svm402.com/v1/receipt/:solana_txPayment Lab on-chain settlement receipt — one getTransaction, cached by chain finality — $0.002 USDC$0.002 Solanarejecting2 payers0% up
  42. 25llm.gedx402.com/v1/llm/:modelA chat reply from QWEN2.5 Coder 32B Instruct. POST JSON messages[] (system/user/assistant) and optional max_tokens; pay USDC per request with dynamic neuron-based pricing.$0.05 Baserejecting1 payers0% up
  43. 25filingdelta.xyz/policy/:idCentral bank interest rate decisions. Call for a bank's latest monetary policy decision (e.g. Fed, ECB, Bank of England): hike/hold/cut, policy rate, change in bps, vote and dissent, next decision date, source_url. Major and emerging-market central banks; ids in /catalog. Free sample: /sample/policy/FED. Other ids 404 (no charge).$0.05 Baserejecting1 payers0% up
  44. 25mcp.onchaindiligence.com/x402/screen/:addressScreen an EVM wallet address by exact match against the digital currency address identifiers on the official US Treasury OFAC SDN List (validated snapshot, refreshed hourly). Returns a signed listed / not_listed result with the SDN entry, dataset provenance and limits. SDN only, not EU/UN/UK lists; a non-match is not legal clearance. For payment screening before sending funds.$0.01 Baserejecting1 payers0% up
  45. 25media.gedx402.com/v1/tts/:modelSpoken English audio for the text you send. $0.302025 USDC per request. POST { text, speaker? } on media.gedx402.com; Aura-2 returns audio bytes billed by character count. Voice-agent output leg after chat/fast. Bundle: GET /v1/models?bundle=voice.$0.302 Baserejecting1 payers0% up
  46. 25chat.gedx402.com/v1/llm/:modelA chat reply from Llama 4 Scout 17B 16e Instruct. POST JSON messages[] (system/user/assistant) and optional max_tokens; pay USDC per request with dynamic neuron-based pricing.$0.03 Baserejecting1 payers0% up
  47. 25crawl-preflight.postnov01.workers.dev/crawl-check/:domainCrawl pre-flight for a domain: will you be blocked, is content behind a paywall, and how much is actually there. Returns per-bot robots.txt verdicts for 16 AI crawlers, crawlable page count from sitemaps, detected CDN and paid-access signals (x402, TollBit), plus a fetch/skip recommendation. Call before spending requests on an unknown domain.$0.02 Baserejecting1 payers0% up
  48. 25image.gedx402.com/v1/image/:modelFast text-to-image with Flux 1 Schnell (@cf/black-forest-labs/flux-1-schnell). POST prompt and optional steps (1-8); fixed output size, no width/height. Returns base64 image output. Hero: GET /heroes/flux-schnell. Per-generation x402 pricing per USDC per request (see npm run pricing:report).$0.01 Baserejecting1 payers0% up
  49. 25kronossignals.com/api/v1/gex/:assetGamma Exposure (GEX) and max-pain options tool for BTC and ETH from the Deribit public API. Returns an aggregate GEX strike ladder (dealer-convention net gamma per strike), gamma flip level (zero-cumulative-GEX strike), spot regime above or below flip, max-pain strikes for upcoming weekly and monthly expiries, an expected-move cone (ATM-IV-derived 1-sigma, front expiry), and a heuristic pin-risk score. 15-minute in-memory cache. $0.04 USDC via x402.$0.04 Baserejecting1 payers0% up
  50. 25jobs.gedx402.com/v1/jobs/:actionA job id you can poll for the result. Returns job_id + poll_url; poll is free with token — no long x402 request hold. Integrators: POST /v1/firecrawl/crawl or /v1/firecrawl/batch/scrape on browser.gedx402.com.$0.10 Baserejecting1 payers0% up
  51. 25agents.gedx402.com/v1/agents/:actionA hosted agent turn. Returns session_id and message_url; each turn is a separate x402 payment. Shard omitted from default OpenAPI discovery (jobs/agents/d1) — use GET /v1/models?shard=agents.$0.02 Baserejecting1 payers0% up
  52. 25agents.gedx402.com/v1/agents/sessions/:id/messageA hosted agent turn. POST content; optional namespace queries search.gedx402.com memory (skipped if unavailable). HTTP-only v0 — no WebSocket. Shard omitted from default OpenAPI discovery.$0.008 Baserejecting1 payers0% up
  53. 25media.gedx402.com/v1/guard/:modelA safety label for the prompt or reply. POST messages or content to classify policy violations before downstream LLM calls.$0.01 Baserejecting1 payers0% up
  54. 25embed.gedx402.com/v1/embed/:modelA vector embedding of the text you send. POST one text string; billed by input volume. Identical POSTs within 300s may return cached JSON (X-GED-Cache: hit).$0.003 Baserejecting1 payers0% up
  55. 25kronossignals.com/api/v1/signals/:assetPerpetual-futures positioning for one asset: funding rate (raw and annualized), next funding time, open interest with 1h change, perp-vs-index basis and funding trend, plus a plain-language read. Covers BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT/HYPE. OKX data in 5-minute snapshots (may lag up to 5 min). $0.02 USDC via x402.$0.02 Baserejecting1 payers0% up
  56. 25kronossignals.com/api/v1/cex-premium/:assetCoinbase price premium vs composite spot median (OKX + Kraken + Binance). premium_pct = (coinbase / composite_median − 1) × 100. Positive = US/institutional demand skew; negative = global selling pressure. Covers BTC/ETH/SOL/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/BCH/ATOM/NEAR (assets listed on Coinbase). Point-in-time only — no historical baseline stored. $0.02 USDC per call via x402.$0.02 Baserejecting1 payers0% up
  57. 25aisfleet.com/api/x402/v1/ais/ports/:locode/intelligence-monthGet every privacy-eligible vessel visit at one UN/LOCODE whose arrival falls in the 1-calendar-month period selected by required start=YYYY-MM-01. Includes per-vessel visit counts, arrivals, departures, stay durations, identity and dimensions, monthly sections, quality flags and observed dwell statistics. Only complete periods with full capture coverage are sold, and a sold report is delivered whole at the listed price; the free port offer publishes visit and vessel counts first.$1.00 Baserejecting1 payers0% up
  58. 25api.m2msentinel.com/v1/token/price/:symbolWhat a tracked Base token is worth right now, taken as the median of the deepest pools rather than one pair, returning the pools considered and the spread across them.$0.005 Baserejecting1 payers0% up
  59. 25claritypropertyinvestments.com/api/v1/districts/:districtClarity Property Investments: one UK postcode district's buy-to-let figures (entry price, authority yield by property type, growth, crime, demand, schools, housing delivery) as JSON.$0.10 Baserejecting1 payers0% up
  60. 25api.ftso-yggdrassil.com/v1/tickers/:symbolsReal-time cryptocurrency prices from the FTSO Yggdrassil value provider$0.008 Baserejecting1 payers0% up
  61. 25market.561.group/v1/astronomy/positions/:dateApparent geocentric ecliptic longitude, latitude and angular speed with lunar illumination, computation provenance and measured error bounds.$0.04 Baserejecting1 payers0% up
  62. 25omniterminal.app/api/x402/v1/screenshots/trader-profile/:addressOmni Terminal renders a bounded public Hyperliquid trader-profile PNG with configurable symbol, range, chart tab, and capture depth for visual-capable trading agents.$0.01 Base Sepoliarejecting1 payers0% up
  63. 25omniterminal.app/api/x402/v1/screenshots/liquidation-bucket/:symbolOmni Terminal renders a bounded PNG for one published Hyperliquid liquidation bucket at an explicit price and side for visual trading agents.$0.01 Base Sepoliarejecting1 payers0% up
  64. 25omniterminal.app/api/x402/v1/screenshots/liquidation-levels/:symbolOmni Terminal renders a bounded price-chart PNG with published Hyperliquid liquidation levels so visual-capable trading agents can inspect level placement and price structure.$0.01 Base Sepoliarejecting1 payers0% up
  65. 25omniterminal.app/api/x402/v1/market-carry/:symbolOmni Terminal compares current Hyperliquid 1h funding with mechanical 8h, 1d and APR projections, open interest, volume, premium, and mark-oracle basis for one perpetual market.$0.003 Base Sepoliarejecting1 payers0% up
  66. 25omniterminal.app/api/x402/v1/market-risk/:symbolOmni Terminal assesses one Hyperliquid market before entering, sizing, or reducing a position using all published mark-anchored liquidation levels, explicit flow direction, margin stress, current funding/carry, and enriched AI news.$0.01 Base Sepoliarejecting1 payers0% up
  67. 25omniterminal.app/api/x402/v1/traders/:symbolOmni Terminal ranks public Hyperliquid traders by PnL, position size, wallet size, or liquidation proximity for wallet and positioning research.$0.003 Base Sepoliarejecting1 payers0% up
  68. 25omniterminal.app/api/x402/v1/liquidations/:symbolOmni Terminal finds where forced-liquidation pressure is concentrated using all bounded published Hyperliquid levels anchored to live mark price, explicit position-side versus liquidation-flow semantics, margin-stress scenarios, and a selected summary, heatmap, cluster, or flow view.$0.005 Base Sepoliarejecting1 payers0% up
  69. 25omniterminal.app/api/x402/v1/trader-profile/:addressOmni Terminal analyzes a public Hyperliquid wallet's reconciled equity, PnL, positions, balances, activity, and data-quality flags for copy-trading or counterparty research.$0.005 Base Sepoliarejecting1 payers0% up
  70. 25api.cotejar.com.br/v1/dados/ncm/:ncm/atributosCotejar compares DUIMP Product Catalogs with current Portal Unico Siscomex requirements by NCM, flagging products that need review as requirements change. It supports catalog uploads and API/MCP integrations without digital certificates or Portal credentials. Its x402 API returns import attributes, conditions, source version, and collection timestamps for an NCM for $0.01 per request. Each payment buys data for one NCM, not catalog monitoring. JSON keys and official text are in Portuguese.$0.01 Baserejecting1 payers0% up
  71. 25filingdelta.xyz/insider/:tickerInsider trades (SEC Form 4 and 4/A). Call when you need what a company's officers and directors filed in the last 30 days: each trade graded high, medium or low by the FilingDelta rubric (not SEC grading), with figures and an EDGAR XML citation. Tickers in /catalog. Free sample: /sample/insider/NVDA. Other tickers 404 (no charge).$0.05 Baserejecting1 payers0% up
  72. 25filingdelta.xyz/guidance/:tickerCompany guidance changes. Call when you need how a company's own forecast moved between its last two results releases (8-K Item 2.02 Ex. 99.1): each item labelled raised, lowered, maintained, initiated or withdrawn, or result vs forecast, with old and new quotes and an EDGAR citation. Tickers in /catalog. Free sample: /sample/guidance/NFLX. Other tickers 404 (no charge).$0.05 Baserejecting1 payers0% up
  73. 25media.gedx402.com/v1/vision/:modelA description of the image you send. POST { task: query|caption|point|detect, image?, question?, caption_length?, target?, max_tokens? }. Image is an HTTPS URL or data URI (required except query). x402 priced from the input token bound (≤2304 vision tokens per image) and max_tokens (default 768, cap 2048). Streaming is not sold.$0.01 Baserejecting1 payers0% up
  74. 25api.greyridgesignals.ai/chain/token-balanceERC-20 token balance of a Base mainnet address, incl. symbol, decimals, balance_formatted. Use when an agent needs an ERC-20 balance for a Base address before a swap or transfer.$0.002 Baserejecting1 payers0% up
  75. 25api.greyridgesignals.ai/chain/balanceETH balance of a Base mainnet address, incl. balance_usd. Use when an agent needs an address's ETH balance in ETH and USD on Base.$0.002 Baserejecting1 payers0% up
  76. 25x402-archive.claimcheck.workers.dev/v1/archive/search/:qText search over archived claims about free-energy, over-unity and propulsion devices, each tied to a verbatim source quote. Returns up to 10 matches with their claim ids, for use with the claim route. Useful for finding what has been claimed about a device or effect, and by whom.$0.01 Baserejecting1 payers0% up
  77. 25omniterminal.app/api/x402/v1/wallet-links/:symbol/:addressBounded links view from one qualified24h/5m observed-wallet behavior graph. Full public addresses; genuine native input-clock provenance required. Similarity never proves common ownership; quote currency and completeness remain unknown.$0.005 Base Sepoliarejecting1 payers0% up
  78. 25omniterminal.app/api/x402/v1/wallet-pair/:symbol/:address_a/:address_bBounded pair view from one qualified24h/5m observed-wallet behavior graph. Full public addresses; genuine native input-clock provenance required. Similarity never proves common ownership; quote currency and completeness remain unknown.$0.005 Base Sepoliarejecting1 payers0% up
  79. 25omniterminal.app/api/x402/v1/wallet-graph/:symbolBounded graph view from one qualified24h/5m observed-wallet behavior graph. Full public addresses; genuine native input-clock provenance required. Similarity never proves common ownership; quote currency and completeness remain unknown.$0.005 Base Sepoliarejecting1 payers0% up
  80. 25omniterminal.app/api/x402/v1/congress-filings/:doc_idParsed rows from one official US House disclosure, with original date precision, reported USD amount ranges, bounded pagination and stable revision. Not complete Congressional coverage or an execution feed.$0.005 Base Sepoliarejecting1 payers0% up
  81. 25omniterminal.app/api/x402/v1/market-alerts/:symbolBounded public native liquidation fills and observed position changes from the qualified DEV curated source. Full wallet identities, actual event time, sampled coverage, no private chat context or confirmed execution cause.$0.01 Base Sepoliarejecting1 payers0% up
  82. 25omniterminal.app/api/x402/v1/spot-candles/:pairIndexBounded public Hyperliquid spot data with exact pair/token identity, source timestamps and explicit observation-only context. No perpetual ticker inference.$0.005 Base Sepoliarejecting1 payers0% up
  83. 25omniterminal.app/api/x402/v1/spot-quote/:pairIndexBounded public Hyperliquid spot data with exact pair/token identity, source timestamps and explicit observation-only context. No perpetual ticker inference.$0.005 Base Sepoliarejecting1 payers0% up
  84. 25omniterminal.app/api/x402/v1/liquidation-bursts/:symbolOmni Terminal realized liquidation observation windows with actual event timestamps, deduplicated liquidated-user legs and global public-fill ingestion watermark. Explicit sampled lower bounds, never exhaustive liquidation totals.$0.005 Base Sepoliarejecting1 payers0% up
  85. 25omniterminal.app/api/x402/v1/orderbook-l4/:symbolOmni Terminal bounded atomic public L4 orderbook snapshot with complete maker addresses, exact string order IDs, source block height and observation time. No incremental continuity or full-book claim.$0.005 Base Sepoliarejecting1 payers0% up
  86. 25omniterminal.app/api/x402/v1/funding-history/:symbolOmni Terminal bounded settled hourly funding history, with explicit interval gaps, window, observation time and truncation. No historical open interest claim.$0.003 Base Sepoliarejecting1 payers0% up
  87. 25omniterminal.app/api/x402/v1/market-microstructure/:symbolOmni Terminal bounded public L2 orderbook and sampled recent aggressor trade flow. Recent trades are a capped sample, not a complete interval tape.$0.005 Base Sepoliarejecting1 payers0% up
  88. 25x402-archive.claimcheck.workers.dev/v1/calibration/arm/:armThe track record of one forecasting method: how many questions it forecast or skipped, log score, Brier score and a calibration curve, with how many forecasts were made before and after the question closed. Method slugs are listed free at /v1/index.$0.01 Baserejecting1 payers0% up
  89. 25x402-archive.claimcheck.workers.dev/v1/calibration/question/:qidOne resolved forecasting question (crypto price moves, NFL games and NFL player props): the probability each forecasting method gave, marked as made before or after the close, the outcome, and each method's score. Useful for auditing a forecaster on a specific question.$0.01 Baserejecting1 payers0% up
  90. 25x402-archive.claimcheck.workers.dev/v1/archive/device/:slugThe archived claims about one named device (for example the Rodin coil): the device's name and the id of every claim about it, each answerable on the claim route. Device slugs are listed free at /v1/index.$0.01 Baserejecting1 payers0% up
  91. 25x402-archive.claimcheck.workers.dev/v1/archive/claim/:claim_idOne archived claim about a free-energy or propulsion device (over-unity coils, excess heat, propellantless thrusters), by id. Returns the claim, the verbatim quote and its source, the archive's explanation (for example a measurement error) with its reasoning, the observation that would overturn that explanation, any published null result or preregistered test, and a Merkle proof. Useful for checking whether such a claim has a known mundane explanation. Unknown ids get a free 404.$0.01 Baserejecting1 payers0% up
  92. 25api.agentmetric.app/v1/scout/token/:chain/:addressFast token risk check for Base, Ethereum and Solana: liquidity, volume, honeypot and tax flags from DexScreener and GoPlus, summed up as a risk verdict. Not financial advice. Rewards: 10% cashback on every purchase, 10% commission for agents you refer (buyer adds ?referred_by=<your wallet>), paid in USDC on Base from 1 USDC. Details: https://api.agentmetric.app/rewards$0.10 Baserejecting1 payers0% up
  93. 25api.agentmetric.app/v1/scout/trust/:agentHow trustworthy is a Virtuals ACP agent? Trust score 0-100, rank, AgentRank and concrete tips, computed from every job on the ACP contract on Base: deliveries, acceptance, refunds and buyers. Look up by agent name, id or wallet. Rewards: 10% cashback on every purchase, 10% commission for agents you refer (buyer adds ?referred_by=<your wallet>), paid in USDC on Base from 1 USDC. Details: https://api.agentmetric.app/rewards$0.01 Baserejecting1 payers0% up
  94. 25filingdelta.xyz/saydo/:tickerGuidance vs reported results (say-do). Call when you need whether a company delivered on the outlook in its prior earnings release: each guided figure compared with the reported figure in the next 10-Q, marked delivered or missed, with EDGAR citations. Tickers in /catalog. Free sample: /sample/saydo/NVDA. Other tickers 404 (no charge).$0.05 Baserejecting1 payers0% up
  95. 25filingdelta.xyz/window/:tickerInsider trades around the quarterly filing (SEC Form 4 and 4/A). Call when you need what a company's officers and directors bought or sold in the 30 days either side of its latest 10-Q: each trade graded high, medium or low by the FilingDelta rubric (not SEC grading), with figures and EDGAR citations. Tickers in /catalog. Free sample: /sample/window/NVDA. Other tickers 404 (no charge).$0.05 Baserejecting1 payers0% up
  96. 25meridian.miodiollc.com/v1/recipient/:addressPre-sign check: agents call Meridian before they sign. Recipient readiness: Base vs Ethereum code, EIP-7702 vs known-wallet allowlist (unknown if unlisted; never safe), USDC freeze Base+Eth, USDT freeze Eth only, OFAC exact match, burn/token flags, optional lookalike (~$0.005 USDC Exact on Base). Informational, not advice. 400 invalid_address/unsupported_chain/query_too_long; unpaid 402; partial 200; both-chain fail 503 not settled. MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms$0.005 Baserejecting1 payers0% up
  97. 25kronossignals.com/api/v1/ohlc/:assetConsolidated OHLC candlestick data for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT). Combines Binance (primary) + Coinbase (secondary) per candle bucket: vol-weighted open, max high, min low, VWAP close, typical-price VWAP, dollar volume. Per-candle micro-structure flags: body%, upper/lower wick%, doji, forming-candle disclosure. Supports ?interval=1h|4h|1d and ?limit=1-200 (default 50). Pay-per-call via x402. $0.02/call.$0.02 Baserejecting1 payers0% up
  98. 25api.financialreports.eu/api/filings/:id/markdown/FinancialFilings: Full text of one regulatory filing as Markdown, converted from the original PDF or HTML, in windows of up to 200,000 characters (offset, limit). Suited to reading annual reports and announcements with an LLM. (premium, $0.12 per call). Licensed for the buyer's own internal use only; redistribution, resale, sublicensing and public display are not permitted. Terms: https://financialfilings.com/api-terms/#keyless-access$0.12 Baserejecting1 payers0% up
  99. 25meridian.miodiollc.com/v1/passport-sanctions/:addressPre-sign check: agents call Meridian before they sign. MioDio Meridian bundle: deep passport plus OFAC SDN exact-match screen for one EVM address (~$0.02 USDC Exact on Base). Informational only. Errors: 400 invalid_address, unsupported_chain or invalid_amount, 402 payment required, failed upstream reads return 200 with status partial/error (unexpected 5xx is not charged). MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms$0.02 Baserejecting1 payers0% up
  100. 25meridian.miodiollc.com/v1/passport/:addressPre-sign check: agents call Meridian before they sign. MioDio Meridian deep passport: one decision card joining Aave v3, Lido exit and optional ERC-4626 vault reads for an EVM address (~$0.02 USDC Exact on Base). Errors: 400 invalid_address, unsupported_chain or invalid_amount, 402 payment required, failed upstream reads return 200 with status partial/error (unexpected 5xx is not charged). MioDio x402 DeFi. Terms: https://meridian.miodiollc.com/terms$0.02 Baserejecting1 payers0% up