x402watch

53,296 paid endpoints are listed. 24,164 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 2026-10-06 18:44 UTC · 53,296 probed

24,164 answering 40223,338 down4,952 rejecting842 no paywall1,722 price drift
  1. 92api.solgiery.com/v1/random/coinFlip one fair coin. Returns heads or tails, each with probability one half. Uses the server OS CSPRNG. Returns consumed bytes for reproducible calculation, not proof of their origin. Price: 0.007 USDC per request, including the bounded batch.$0.007 Base646 ms1 payers100% up
  2. 92api.solgiery.com/v1/random/uuidGenerate one UUID version 4 using server-side cryptographic randomness. Uses the server OS CSPRNG. Returns consumed bytes for reproducible calculation, not proof of their origin. Price: 0.007 USDC per request, including the bounded batch.$0.007 Base665 ms1 payers100% up
  3. 92api.loopholetape.com/v1/keys/trialBuy a $0.10 trial key: twenty compact checks, then a plain X-API-Key header. The same prepaid key as /v1/keys/new with $0.10 of credit (about twenty $0.005 checks or a hundred $0.001 polls): one x402 $0.10 Solana630 ms1 payers100% up
  4. 92api.jpverify.com/v1/entities/:entity_id/filing-risk-snapshotReturn objective SEC EDGAR filing and disclosure metadata for a known CIK. This is not a credit rating or investment advice; results are cached and globally rate limited. / 既知のCIKについてSEC EDGAR提出書類と開示メタデータを返します。信用格付けや投資助言ではなく、結果はキャッシュされ全体レート制限されます。$0.05 Base793 ms1 payers100% up
  5. 92www.x402financialdata.com/yield-curveUS Treasury yield curve in one call: 1mo/3mo/6mo/1yr/2yr/5yr/10yr/30yr yields, the 10y-2y and 10y-3mo spreads, and a boolean inversion flag on each -- a classic recession/risk-off signal every macro trader watches. Live from FRED's daily constant-maturity Treasury series. Not ticker-specific. $0.01/call.$0.01 Base358 ms1 payers100% up
  6. 92www.x402financialdata.com/producer-pricesUS Producer Price Index (PPI) in one call, live from FRED: headline Final Demand PPI and core PPI (ex food & energy), both YoY -- a leading inflation indicator that moves ahead of the consumer-side CPI/PCE already in /economic-indicators, since producer cost changes flow through to consumer prices with a lag. Not ticker-specific. $0.01/call.$0.01 Base412 ms1 payers100% up
  7. 92api.marketintelligenceapi.com/api/v1/intelligence/queryUse when an agent needs several signals for several symbols over a historical time range in one paid call. Returns momentum, activity, buying, selling, anomaly and regime per symbol for any from/to range; the data resolution is chosen automatically.$0.05 Base364 ms1 payers100% up
  8. 92api.marketintelligenceapi.com/mcpUse when the agent speaks MCP. JSON-RPC endpoint exposing 52 tools (opportunity scan, signals, momentum, pressure, regime, pre-trade check, token flow and token risk, stock premium, candles, datasets, news, $1 decision, SEC data, technicals, funding, gas, smart money, perps, rates, Europe, backtest). Discovery and 3 sample tools are free; each other tools/call costs its HTTP route price ($0.003-$0.05).$0.01 Base389 ms1 payers100% up
  9. 92api.losbeto.xyz/weatherLive weather for any city or lat/lon on Earth: WMO-decoded current conditions, next 24h hourly and 7-day daily forecast with precipitation probability, sunrise/sunset and wind — from Open-Meteo's fused national-model...$0.01 Base474 ms1 payers100% up
  10. 92api.marketintelligenceapi.com/api/v1/insiders/:symbolUse to see whether a company's executives and directors are buying or selling its stock (e.g. TSLA, NVDA). Returns SEC Form 4 insider trades of the last days=1-365: open-market buys and sales in USD, 10b5-1 plan share, per-insider totals, recent transactions and a signal (CLUSTER_BUYING, NET_BUYING, PLANNED_SELLING, NET_SELLING).$0.005 Base525 ms1 payers100% up
  11. 9247620.xyz/x/x402/networksJust the network and asset histogram of the live x402 ecosystem: which chains (CAIP-2 ids like eip155:8453 Base, solana:..., and 402index labels) and which payment assets (USDC contract prefixes) the indexed pay-per-call services accept, with counts. Sourced live from 402index.io + Coinbase CDP Bazaar + PayAI Bazaar (source URLs + fetchedAt included).$0.005 Solana514 ms1 payers100% up
  12. 92api.blockchainmoneymap.com/api/x402/wallet-auditBasic Blockchain Money Map wallet audit for AI agents.$1.00 Base566 ms1 payers100% up
  13. 92signals.nsgoods.org/signals/topMarket scan data: strongest BUY/SELL states across major crypto pairs right now, with confidence. Machine-readable input for AI trading agents (USDC pay-per-call). Free preview: GET /signals/preview$0.10 Base307 ms1 payers100% up
  14. 92rest.coincap.io/v3/agentFriendly/history/bitcoinHistorical price series for an asset slug (capped data points).$0.01 Base926 ms1 payers100% up
  15. 92rest.coincap.io/v3/agentFriendly/asset_mcap_history/bitcoinHistorical market-cap series for an asset slug (capped data points).$0.01 Base735 ms1 payers100% up
  16. 92whaletape.xyz/mer0/diarioThe full journal of an autonomous agent that pays for every thought: its latest 40 thoughts, newest included, each with model and exact cost. The public page shows 6, one turn late.$0.02 Base521 ms1 payers100% up
  17. 92whaletape.xyz/mer0/moltbook/pulseWhat agents on Moltbook are talking about right now: the hot posts ranked by engagement, with upvotes, replies, links and the words that keep coming back. Refreshed every 30 min by an agent that reads it.$0.02 Base521 ms1 payers100% up
  18. 92oraclepost.higgsfield.app/api/premium/timeThe chain clock on Base: latest block number and its timestamp, plus the node's current time and the lag between them. No parameters. No third-party API, no cache.$0.02 Base779 ms1 payers100% up
  19. 92oraclepost.higgsfield.app/api/timeThe chain clock on Base: latest block number and its timestamp, plus the node's current time and the lag between them. No parameters. No third-party API, no cache.$0.001 Base758 ms1 payers100% up
  20. 92oraclepost.higgsfield.app/api/encodeEncode and decode text: base64, hex and URL-encoding, both directions. POST JSON {"text": "…", "op": "base64"} where op is base64|base64d|hex|hexd|url|urld. Pure computation, nothing stored, no cache.$0.001 Base807 ms1 payers100% up
  21. 92oraclepost.higgsfield.app/api/premium/hashHash text: keccak-256 (Ethereum) and SHA-256, plus byte length. POST JSON {"text": "…"} up to 20,000 characters. Pure computation, nothing stored, no cache.$0.02 Base911 ms1 payers100% up
  22. 92oraclepost.higgsfield.app/api/hashHash text: keccak-256 (Ethereum) and SHA-256, plus byte length. POST JSON {"text": "…"} up to 20,000 characters. Pure computation, nothing stored, no cache.$0.001 Base819 ms1 payers100% up
  23. 92oraclepost.higgsfield.app/api/ensENS/basename name tools (pure computation): the namehash and labelhashes of a name, and its normalized form. POST JSON {"name": "alice.base.eth"}. Useful to build resolver calls yourself. Nothing stored, no cache.$0.001 Base861 ms1 payers100% up
  24. 92pay.retraced.site/x/user/:handleX (Twitter) account metadata for any handle (based_in, source app, username-change count, recent-activity proxy). Utility endpoint.$0.01 Base547 ms1 payers100% up
  25. 92pay.retraced.site/intel/entity/:nameretraced entity intelligence: research any AI/crypto entity in one call. Resolves company/person names across story-shaped records and returns aggregated signals with sentiment trend (30d/90d), related entities, source-tier breakdown, and story-lifecycle stage.$0.25 Base543 ms1 payers100% up
  26. 92api.marketintelligenceapi.com/api/v1/decision/:symbolUse when an agent must act and wants one answer ($1). Combines every dataset (order flow, technicals, smart money, SEC fundamentals, insiders, perp positioning, market risk, news) into an action with conviction, evidence per pillar, a volatility-sized trade plan and what would change the view. No symbol = market-wide stance.$1.00 Base330 ms1 payers100% up
  27. 92api.marketintelligenceapi.com/api/v1/decision/lite/:symbolUse for a cheap live trading call ($0.05): the same decision engine as the $1 decision, reduced to action (STRONG_BUY..STRONG_SELL), direction, conviction, GO/WAIT answer for a side, the stance of each pillar and the measured hit rate. Crypto, US stocks or ISINs. Free delayed sample: /api/v1/decision/sample.$0.05 Base468 ms1 payers100% up
  28. 92api.marketintelligenceapi.com/api/v1/report/:symbolUse for everything about one asset in a single call ($0.03). Returns snapshot, pre-trade verdict, technical indicators, perp positioning, smart money and news, plus fundamentals, insider trades and Form 144 notices for US stocks. Sections without data are listed as missing.$0.03 Base544 ms1 payers100% up
  29. 92api.marketintelligenceapi.com/api/v1/intelligence/smart-money/:symbolUse to follow the traders who are actually making money on an asset. Returns the most profitable DEX wallets for a symbol (addresses only): realized and unrealized PnL, win rate, holding time, open position, and the recent net flow of the top wallets vs all wallets. Arbitrage, MEV, bots and routers excluded.$0.02 Base543 ms1 payers100% up
  30. 92api.marketintelligenceapi.com/api/v1/intelligence/positioning/:symbolUse to see whether a trade is crowded. For a tokenized stock, ETF or commodity (TSLA, NVDA, SPY, QQQ, AMZN, gold XAUUSD, oil WTIUSD, ...) returns perpetual futures open interest long/short per venue (GMX v2, gTrade), funding, 1h/24h change and a CROWDED_LONG/SHORT flag, next to the spot DEX flow.$0.01 Base493 ms1 payers100% up
  31. 92api.marketintelligenceapi.com/api/v1/earnings/:symbolUse before earnings season or a stock trade ($0.01): when a US-listed company reports next (projected from its past 8-K earnings releases), its last quarters' revenue and diluted EPS with year-over-year growth, and whether growth is accelerating vs its own trend. From SEC EDGAR; no analyst estimates.$0.01 Base539 ms1 payers100% up
  32. 92api.marketintelligenceapi.com/api/v1/datasets/:symbolUse to download history for backtesting or model training. Returns one UTC day (date=YYYY-MM-DD) of trade-flow candles for a symbol at 1m, 5m, 15m or 1h, separately per venue (on-chain DEX pools and Solana DEX pools for tokenized stocks): OHLCV, aggressor buy and sell volume, buy pressure, VWAP and trade count, as JSON or as a CSV file (format=csv). What exists is listed free at /api/v1/datasets.$0.02 Base405 ms1 payers100% up
  33. 92api.marketintelligenceapi.com/api/v1/intelligence/premium/:symbolUse to study how a tokenized US stock trades away from other venues over time. Returns the premium history of one symbol between Robinhood Chain/EVM pools and Solana xStocks pools (hours=1-720, interval 15m or 1h) with average, median, min and max and statistics per US market session (overnight, weekend, pre-market, regular).$0.01 Base555 ms1 payers100% up
  34. 92api.marketintelligenceapi.com/api/v1/intelligence/candles/:symbolSend a symbol (ETHUSD, BTCUSD, NVDA, TSLA, SPY, ...), get OHLCV candles (1m, 5m, 15m or 1h) with volume split into aggressive buys and sells, buy pressure, VWAP and trade count per candle, from on-chain trade flow.$0.005 Base515 ms1 payers100% up
  35. 92api.marketintelligenceapi.com/api/v1/intelligence/new-tokensUse to find tokens launched in the last hour on Base or Ethereum, already risk-checked: every new pool against ETH, WETH or USDC on Uniswap v2/v3/v4 and Aerodrome, with liquidity, sell simulation, Uniswap v4 hook powers, first trades and a verdict (LOW_RISK, CAUTION, HIGH_RISK). Filter by liquidity and verdict.$0.02 Base326 ms1 payers100% up
  36. 92api.losbeto.xyz/api/v1/bestWhich endpoint should you buy for your task? Paid catalog concierge: send ?task=<plain English> and get the single best Losbeto endpoint for it — ranked by local semantic search (MiniLM ONNX with cross-encoder rerank)...$0.01 Base621 ms1 payers100% up
  37. 9247620.xyz/x/solana-fac/snapshotOne call for the whole network picture: cluster health, current slot, epoch progress, SOL/USD price AND the top trending Solana pairs. Replaces 5 separate calls.$0.02 Solana502 ms1 payers100% up
  38. 9247620.xyz/x/solana-fac/market-overviewOne call: network health (slot, epoch %, SOL/USD) plus the current trending DEX pairs. The daily dashboard for a trading agent.$0.02 Solana534 ms1 payers100% up
  39. 92aayatai.com/news/briefAI research brief on any topic from the last 1-30 days: gathers Hacker News and headlines from major outlets, Lobsters, Lemmy and DEV, then writes a concise briefing (key developments, sentiment, what to watch) with numbered citations to the sources, plus the full item list. Pass ?q=topic&days=7. Built for research agents.$0.03 Base301 ms1 payers96% up
  40. 92aayatai.com/dependency/verdict"Should I use this dependency?" in one call for npm, PyPI, crates or Go: full package safety check (vulnerabilities, malware, typosquats, deprecation, licence, downloads) plus its GitHub repository health (activity, bus factor, releases, Scorecard), a clear decision (use / use-with-care / avoid) with reasons, and plain-English advice. ?ecosystem=npm&name=express$0.03 Base410 ms1 payers96% up
  41. 9247620.xyz/x/solana-fac/vote-accountsSummary of current and delinquent vote accounts: validator count, total activated stake, delinquency. Validator-health context in one call.$0.02 Solana521 ms1 payers100% up
  42. 9247620.xyz/x/solana-fac/trendingLive trending/new Solana DEX pairs by 24h volume. A fresh feed for agents, per call.$0.005 Solana505 ms1 payers100% up
  43. 9247620.xyz/x/solana-fac/supplyCirculating, non-circulating and total SOL supply in lamports. Macro context for SOL models.$0.005 Solana472 ms1 payers100% up
  44. 9247620.xyz/x/solana-fac/slotCurrent slot number plus block height. Cheapest liveness probe for the network.$0.005 Solana446 ms1 payers100% up
  45. 9247620.xyz/x/solana-fac/new-pairsRecently created Solana DEX pairs with non-trivial liquidity — an early discovery feed for agents watching for fresh listings.$0.005 Solana369 ms1 payers100% up
  46. 9247620.xyz/x/solana-fac/multi-accountBatch SOL balance for up to 20 addresses in a single call. Query: ?addrs=<addr1>,<addr2>,... — one round-trip instead of N.$0.005 Solana440 ms1 payers100% up
  47. 9247620.xyz/x/solana-fac/healthLive Solana cluster health: health, current slot, epoch, and SOL/USD price. Cheapest call.$0.005 Solana374 ms1 payers100% up
  48. 9247620.xyz/x/solana-fac/feesRecent prioritization-fee samples plus min/p50/p95, so an agent can price its own transaction before sending it.$0.02 Solana461 ms1 payers100% up
  49. 9247620.xyz/x/solana-fac/epochEpoch index, slot range, slots elapsed and % complete. Predicts when staking/epoch effects land.$0.005 Solana444 ms1 payers100% up
  50. 9247620.xyz/x/solana-fac/block/0Block header for a slot: blockhash, previous blockhash, blockTime, transaction count. Pass a slot number.$0.005 Solana333 ms1 payers100% up
  51. 9247620.xyz/x/solana-fac/agent-starterBootstrap bundle for a Solana agent: network snapshot + SOL price + trending pairs + priority-fee estimate. Everything needed to start operating.$0.02 Solana454 ms1 payers100% up
  52. 92api.tradesonar.io/v1/whales/:address/pnlRealized PnL and funding summary for an address$0.002 Base623 ms1 payers100% up
  53. 92api.tradesonar.io/v1/whales/:address/positionsCurrent open positions for an address$0.002 Base630 ms1 payers100% up
  54. 92signals.easyrider.one/historyFull event history and statistics of one live bot$0.25 Base870 ms1 payers100% up
  55. 92api.basefeed.io/v1/base/yieldsBase Morpho Blue stablecoin yields$0.01 Base385 ms1 payers100% up
  56. 92api.gentechlabs.net/v1/defi/GenTech Labs x402 - Defi$0.02 Base584 ms1 payers100% up
  57. 9247620.xyz/x/agent-starterBootstrap bundle for a Solana agent: network snapshot + SOL price + trending pairs + priority-fee estimate. Everything needed to start operating.$0.02 Solana612 ms1 payers100% up
  58. 9247620.xyz/x/market-overviewOne call: network health (slot, epoch %, SOL/USD) plus the current trending DEX pairs. The daily dashboard for a trading agent.$0.02 Solana641 ms1 payers100% up
  59. 9247620.xyz/x/feesRecent prioritization-fee samples plus min/p50/p95, so an agent can price its own transaction before sending it.$0.02 Solana664 ms1 payers100% up
  60. 9247620.xyz/x/vote-accountsSummary of current and delinquent vote accounts: validator count, total activated stake, delinquency. Validator-health context in one call.$0.02 Solana623 ms1 payers100% up
  61. 9247620.xyz/x/performanceRecent performance samples: non-vote transactions per slot, transaction counts, sample periods. A TPS/load proxy for agents timing their writes.$0.02 Solana623 ms1 payers100% up
  62. 9247620.xyz/x/supplyCirculating, non-circulating and total SOL supply in lamports. Macro context for SOL models.$0.005 Solana607 ms1 payers100% up
  63. 9247620.xyz/x/epochEpoch index, slot range, slots elapsed and % complete. Predicts when staking/epoch effects land.$0.005 Solana580 ms1 payers100% up
  64. 9247620.xyz/x/slotCurrent slot number plus block height. Cheapest liveness probe for the network.$0.005 Solana518 ms1 payers100% up
  65. 9247620.xyz/x/new-pairsRecently created Solana DEX pairs with non-trivial liquidity — an early discovery feed for agents watching for fresh listings.$0.005 Solana517 ms1 payers100% up
  66. 9247620.xyz/x/snapshotOne call for the whole network picture: cluster health, current slot, epoch progress, SOL/USD price AND the top trending Solana pairs. Replaces 5 separate calls.$0.02 Solana472 ms1 payers100% up
  67. 9247620.xyz/x/trendingLive trending/new Solana DEX pairs by 24h volume. A fresh feed for agents, per call.$0.005 Solana473 ms1 payers100% up
  68. 9247620.xyz/x/util/timestampConvert between unix epoch and human time: pass ?value=<seconds|ms|ISO-string> and get back epoch (s + ms), ISO-8601 UTC, and the value in a target timezone (?tz=America/Santiago, default UTC). Units are auto-detected (10-digit = seconds, 13-digit = ms).$0.001 Solana372 ms1 payers100% up
  69. 9247620.xyz/x/util/jwt-decodeDecode a JWT (JSON Web Token): returns the header, payload and the extracted claims (subject sub, issuer iss, audience aud, expiration exp with `expired` flag and seconds remaining, issued-at iat, not-before nbf, algorithm alg, key id kid). Decode-only — the signature is NOT verified, so claims are informational. Pass the token via ?token=<jwt> (query param, no length limit).$0.002 Solana301 ms1 payers100% up
  70. 92forwardlane.pay.zeroclick.io/api/searchSearches repository names and properties. Returns a paginated envelope with items, total, page, page_size, and total_pages, sorted by composite score.$0.02 Base769 ms1 payers100% up
  71. 92x402.agentutility.ai/contact-enrichEnriches a contact from email, name, domain, or company into a normalized public-data record with inferred display name, company/domain context, MX records, and optional homepage metadata. No private people database, LinkedIn scraping, or social-network scraping. Use it as a contact enrichment API, email-to-contact enrichment, or lead contact lookup.$0.01 Base45 ms1 payers87% up
  72. 92x402.agentutility.ai/tweets-searchRepeat a saved X/Twitter search query to monitor a brand, topic, or phrase over time. Send the same query, language, and max_results on each check; it returns recent public post text, timestamps, metrics, and expanded author profiles. It uses read-only X API v2, excludes retweets by default, and translates legacy since:, until:, and -filter:retweets syntax. If X cannot answer, the tweets array contains clearly labeled public-index results with degraded: true rather than an empty successful response. No account mutation. Use it as a tweets search API, Twitter monitor, saved-query watchlist, or X recent post search.$0.006 Base110 ms1 payers87% up
  73. 92x402-stock-indicators.vercel.app/defi-yieldsTop DeFi yield-farming pools by APY across ~15,800 tracked pools, live from DeFiLlama: TVL, base/reward APY split, 7d APY change, impermanent-loss risk, and exposure type, with a $1M TVL floor to filter out illiquid noise. Optionally filter to one chain or stablecoin-only pools. Not ticker-specific. Supports optional limit (default 10, max 25). $0.01/call.$0.01 Base310 ms1 payers100% up
  74. 92x402-stock-indicators.vercel.app/market-risk-sentimentMarket risk sentiment in one call, live from FRED: volatility index (VIX), high-yield and investment-grade credit spreads, financial conditions index, US dollar strength, and WTI crude oil price — the 6 metrics that flag systemic risk and market-wide stress. Replaces 6 separate FRED lookups for traders monitoring macro volatility and risk-off sentiment. Not ticker-specific. $0.01/call.$0.01 Base324 ms1 payers100% up
  75. 92x402-stock-indicators.vercel.app/jobless-claimsUS weekly jobless claims in one call, live from FRED: initial claims, continuing claims, and 4-week moving average of initial claims, with week-over-week change computed where available — a leading labor-market indicator that drives risk-off and day-trading directional calls. Replaces 3 separate FRED series lookups. Not ticker-specific. $0.01/call.$0.01 Base326 ms1 payers100% up
  76. 92atlas-probability-api-production.up.railway.app/v1/x402/probability/BTCAtlas Bitcoin/BTC 60-minute (1-hour) probabilistic market forecast$0.01 Base319 ms1 payers100% up
  77. 92simulate.cyberwarex.com/safe-to-signOne pre-sign safety verdict (GREEN, REVIEW or BLOCK) fusing transaction, signature, address, URL and token checks for AI$0.02 Base549 ms1 payers100% up
  78. 92forwardlane.pay.zeroclick.io/api/quality/currentThe most recent quality snapshot for the repository. Returns 404 if no snapshot exists.$0.05 Base684 ms1 payers100% up
  79. 92api.itsgloria.ai/pm-scoringsLatest direction+magnitude scorings for Polymarket events. Each row scores one (headline, market) pair with a direction (up/down/none), confidence (0-1), signed magnitude in points, composite tier (SKIP/WATCH/TRADE), and current market price.$0.10 Base380 ms1 payers100% up
  80. 92api.newsgurus.ai/x402/memecoin/verify/probeNews Gurus Intel API — token authenticity verdict for one Solana mint: 0-1 realness score, confidence, recommended action (PASS / SMALL_SNIPER / MONITOR / REJECT), rug-risk flags, psyop/pump detection and narrative tags, from a 6-probe on-chain+social verifier with creator rug-history. Returns found:false if the address has never been scanned. Educational data, not financial advice.$0.01 Base573 ms1 payers100% up
  81. 92forwardlane.pay.zeroclick.io/api/graphEvery repository-level node and typed edge (CONTAINS, CALLS, INHERITS, IMPORTS, DEPENDS_ON, CONTRIBUTED_TO). Large response.$0.05 Base765 ms1 payers100% up
  82. 92api.strale.io/x402/email-validateValidate an email address: RFC 5322 syntax, MX records, 5,361 disposable domain detection, role-based address detection (35 patterns), free provider detection, and typo suggestion for common providers (gmial.com ? gmail.com). Returns deliverability assess…$0.0324 Base500 ms1 payers100% up
  83. 92forwardlane.pay.zeroclick.io/api/reposLists repositories with optional filters and pagination, sorted by composite score by default.$0.02 Base840 ms1 payers100% up
  84. 92deploy.acu.run/Deploy jobs to Acurast decentralized cloud with automatic payment$0.079 Base999 ms1 payers100% up
  85. 92crypto-sentiment-x402.onrender.com/history/:symbolHourly crypto news-sentiment readings for a ticker (e.g. BTC, ETH), recorded live at the top of every UTC hour and never backfilled. Each row: observed_at, average_compound (-1 to 1), sample_size, Fear & Greed value, matcher and the top 3 headlines behind it (title, link). Query start/end as ISO 8601; default last 7 days, max 30 days per call. See /archive for symbols and coverage.$0.05 Base489 ms1 payers100% up
  86. 92poolproof.ru/v1/knownDo we hold a research note on this asset, protocol, chain or role that no price feed or TVL number will tell you: dead redemption bridges, ticker collisions, ended points programmes, closed marketplaces, capital gates$0.02 Base734 ms1 payers100% up
  87. 92x402.swaphunt.dev/v1/context/sessionCurrent trading session (Asia / London / NY / Off) plus historical volatility for that session. Use to time entries around the most active hours and set session-aware expectations.$0.001 Base625 ms1 payers100% up
  88. 92x402.swaphunt.dev/v1/context/weekend-liquidityIs it a weekend / low-liquidity window right now? Returns the current session and a 0-100 liquidity score. Use to widen stops and discount thin-market moves. Lightweight market-condition context.$0.001 Base788 ms1 payers100% up
  89. 92forwardlane.pay.zeroclick.io/api/rankingsRankings with rank, name, composite score, tier, language, and project.$0.05 Base355 ms1 payers100% up
  90. 92agents.machina.gg/world-cup/v1/skills/player-spotlightGrounded player card with performance context and narrative.$0.40 Base540 ms1 payers100% up
  91. 92trabotpro.it/api/a2a/x402/morning-brief/promoMorning brief A/B promo variant at lower micro-USDC price.$0.06 Base824 ms1 payers100% up
  92. 92soren.com/v1/ai/judgeA neutral, SIGNED verdict on whether a deliverable meets stated criteria, or which of two candidates is better. Neither party to an A2A transaction can referee it — this is a party with no stake, signing over the SHA-256 of the exact bytes judged. Identical inputs return the identical verdict for 30 days, so verdict-shopping is impossible. Fix criteria first with /v1/commit. Charged only if a verdict is produced.$0.05 Base693 ms1 payers100% up
  93. 92saylorinnovations.com/api/evm/polygon/call/:addressRead-Only Contract Call (eth_call) (polygon). Polygon read-only contract call (eth_call) with ?data= calldata, optional ?from= and ?block=; reverts reported cleanly with revert data.$0.003 Solana296 ms1 payers87% up
  94. 92saylorinnovations.com/api/evm/optimism/call/:addressRead-Only Contract Call (eth_call) (optimism). Optimism read-only contract call (eth_call) with ?data= calldata, optional ?from= and ?block=; reverts reported cleanly with revert data.$0.003 Solana281 ms1 payers87% up
  95. 92saylorinnovations.com/api/evm/arbitrum/call/:addressRead-Only Contract Call (eth_call) (arbitrum). Arbitrum read-only contract call (eth_call) with ?data= calldata, optional ?from= and ?block=; reverts reported cleanly with revert data.$0.003 Solana232 ms1 payers87% up
  96. 92saylorinnovations.com/api/evm/ethereum/call/:addressRead-Only Contract Call (eth_call) (ethereum). Ethereum read-only contract call (eth_call) with ?data= calldata, optional ?from= and ?block=; reverts reported cleanly with revert data.$0.003 Solana211 ms1 payers87% up
  97. 92saylorinnovations.com/api/evm/base/call/:addressRead-Only Contract Call (eth_call) (base). Base read-only contract call (eth_call) with ?data= calldata, optional ?from= and ?block=; reverts reported cleanly with revert data.$0.003 Solana209 ms1 payers87% up
  98. 92api.cryptoetfsentinel.com/v1/xbrl/aum-growthCrypto ETF Sentinel — Quarterly aggregate AUM growth across the US spot crypto ETF cohort, bucketed by BTC / ETH / SOL / multi / other. Use when sizing the crypto ETF market category or tracking quarter-over-quarter momentum from SEC-filed XBRL facts.$0.10 Base840 ms1 payers100% up
  99. 92api.cryptoetfsentinel.com/v1/profiles/latestCrypto ETF Sentinel — Bulk POS AM-extracted operational profiles for every trading US spot crypto ETF: custodian, sponsor fee, authorized-participant counts, basket size, in-kind eligibility. Use when comparing fund plumbing across the whole trading universe in one call. Extraction quality varies by field (in-kind ~32% TP, AP roster ~70% TP).$0.50 Base838 ms1 payers100% up
  100. 92api.cryptoetfsentinel.com/v1/pipeline/stalledCrypto ETF Sentinel — Under-review US spot crypto ETF issuers stalled 148+ days without comment-letter activity (a proxy for SEC inactivity), sorted by days since last activity. Long stalls historically correlate with withdrawal risk. Use when screening pending crypto ETF filings for abandonment or withdrawal risk.$0.10 Base829 ms1 payers100% up