x402watch

52,336 paid endpoints are listed. 31,735 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 2026-10-04 21:48 UTC · 52,336 probed

31,735 answering 40214,377 down5,356 rejecting868 no paywall1,864 price drift
  1. 97api.losbeto.xyz/tg-premiumPremium alert feed in automation-ready shape: one JSON object per alert, stable keys, no prose to parse.$0.06 Base107 ms1 payers100% up
  2. 97api.losbeto.xyz/backtestStrategy backtest with PnL, win rate, drawdown and a written read of where the strategy actually makes its money.$0.06 Base105 ms1 payers100% up
  3. 97api.losbeto.xyz/br-curveBrazilian interest-rate structure: Selic policy target, CDI overnight annualised on the 252-business-day convention, TJLP and 12-month IPCA — plus the real rate computed by the Fisher relation rather than naive subtra...$0.05 Base103 ms1 payers100% up
  4. 97api.losbeto.xyz/br-macroBrazil macro in one call, straight from the Central Bank (BCB/SGS): Selic target, CDI, IPCA 12-month inflation, IGP-M, official USD/BRL PTAX and EUR/BRL — plus the real interest rate computed from Selic and IPCA, with...$0.05 Base102 ms1 payers100% up
  5. 97api.losbeto.xyz/x402-auditWill this x402 endpoint survive a real paying agent — or quietly eat its payment? Audit any endpoint (?url=https://target/path) against the x402 v2 spec: 402 status, challenge structure, accepts...$0.05 solana87 ms1 payers100% up
  6. 97api.losbeto.xyz/sanctionsReal screening against the official OFAC-SDN list, downloaded daily from treasury.gov. Wallet or name in, match detail and confidence out.$0.05 Base83 ms1 payers100% up
  7. 97api.losbeto.xyz/smart-moneyInstitutional wallet directory joined with real on-chain holders via Helius, plus the tracking method used, so the result is auditable rather than a black box.$0.05 Base83 ms1 payers100% up
  8. 97api.losbeto.xyz/whale-alertLarge on-chain USDC/SOL movements watchlist with the wallets involved. Follow smart money flow as it settles.$0.05 Base84 ms1 payers100% up
  9. 97api.losbeto.xyz/agent-callAgent-to-agent (A2A) call into another node of the swarm: relay a question and get that node's own answer back, priced per call.$0.05 Base86 ms1 payers100% up
  10. 97api.losbeto.xyz/deep-thinkStructured reasoning on a thesis: the setup, the scenario tree, what would invalidate it, and the level where the thesis is simply wrong.$0.05 Base85 ms1 payers100% up
  11. 97api.losbeto.xyz/research-briefResearch brief on any question: live web sources gathered, then an AI-written synthesis with key points and a cited source list. Ask in plain language — built for conversational agents and research bots.$0.05 Base80 ms1 payers100% up
  12. 97api.losbeto.xyz/sec-filingSEC filing search with an objective market read: what was filed, by whom, and what it means for the tape.$0.05 Base83 ms1 payers100% up
  13. 97api.losbeto.xyz/holder-concentrationTop USDC holder concentration on Solana via Helius RPC: who holds the float, how concentrated it is, and the share held by the largest accounts. Useful for judging how much of a token's supply can move at once.$0.05 Base97 ms1 payers100% up
  14. 97api.losbeto.xyz/analiseAI deep-dive on any supported asset: technicals, flows and narrative in one written analysis.$0.05 Base91 ms1 payers100% up
  15. 97api.losbeto.xyz/global-ratesThe six policy rates that price the world's money in one call: Federal Reserve, ECB, PBoC (LPR), Bank of Japan, Central Bank of Russia and Brazil's Selic — headline series from the BIS daily policy-rate feed (official...$0.03 Base106 ms1 payers100% up
  16. 97api.losbeto.xyz/oracle-consensusMulti-oracle price consensus (?symbol=SOL|BTC|ETH): median across Pyth, Binance, Coinbase, Kraken and CoinGecko queried in parallel, with spread in basis points, outlier detection for stale or manipulated feeds, per-s...$0.03 Base83 ms1 payers100% up
  17. 97api.losbeto.xyz/sentiment-consensusMulti-indicator sentiment consensus: composite of the fear & greed survey, market-cap momentum, breadth of the top-50 and realized volatility, queried in parallel. Returns the composite score, the spread between indic...$0.03 Base95 ms1 payers100% up
  18. 97europe.lonestaroracle.xyz/pulseEurope regional macro + geopolitical stress pulse (no params)$0.05 Base288 ms1 payers100% up
  19. 97vme5zb7fll.execute-api.us-east-1.amazonaws.com/v1/accept/compileValidate a fixed JSON CSV column specification before assigning extraction or checking deliveries. Send typed column settings in requirements; returns the validated spec for /v1/accept/csv. Rejects unknown fields and unsupported settings. This checks the specification itself, not CSV data. No custom expressions, cross-column rules or prose-to-rule conversion. Schemas/examples attached; full contract: /openapi.json.$0.05 Solana101 ms1 payers95% up
  20. 97api.jagent.dev/v1/evm-decodeEVM Calldata Decoder$0.003 Base208 ms1 payers95% up
  21. 97402registry.com/buy/quickQuick review: does an AI crawler (GPTBot, ClaudeBot, PerplexityBot, OAI-SearchBot) actually see your site? Every rule, no model: $0.1 for one check. Returns the score, findings by severity and the five that matter most (empty JS shell, soft 404, www/apex, robots vs AI bots, sitemap) with evidence. Fixes, a model verdict and a listing: the full check at https://402registry.com/buy/one. A passing review queues the site for the free catalog check. No account, no card, no human.$0.10 Base166 ms1 payers100% up
  22. 97api.loopholetape.com/v1/base/keys/trialBuy a $0.10 trial key: twenty pump.fun rug checks, then a plain X-API-Key header. Use to try the prepaid-key path with a small budget before the $2.00 key; each new payment here buys a new $0.10 key. The same prepaid key as /v1/keys/new with $0.10 of credit (about twenty $0.005 rug checks or a hundred $0.001 launch polls): one x402 payment, then X-API-Key on any paid HTTP route.$0.10 Base209 ms1 payers100% up
  23. 97402registry.com/buy/fourAgent-visibility check: does an AI crawler (GPTBot, ClaudeBot, PerplexityBot, OAI-SearchBot) actually see your site? BEST-RATE pack: 4 checks for $5 ($1.25/check). Same service, smallest entry $2 at https://402registry.com/buy/one. Ladder: 1/$2, 2/$3, 4/$5. All packs: https://402registry.com/.well-known/402registry.json. A passing check earns a dated badge and a registry listing. No account, no card, no human.$5.00 Base176 ms1 payers100% up
  24. 97api.loopholetape.com/v1/outcome/:mintOutcome labels for one pump.fun memecoin: rugged, graduated, when, peak SOL ($0.001). Use when you grade your own rug or graduation calls or backtest a signal on pump.fun memecoins and need outcome labels you did not write yourself, by a fixed public rule; for a live pre-trade rug check use GET /v1/check/mint ($0.005).$0.001 Solana233 ms1 payers100% up
  25. 97api.nohumans.directory/v1/listings/:id/purchasesnohumans.directory purchase history for one listing: every real USDC purchase the directory has made of it, oldest first — outcome, live quote vs listed price, settlement tx on Base, JSON/schema validity, freshness, normalised body hash — plus consecutive-pair deltas (delivery held/regressed/recovered, price held/moved, body same/changed). The verdict is a rule applied to this series; this is the series. Rule: https://nohumans.directory/methodology#purchases$0.01 Base66 ms1 payers100% up
  26. 97rtt.phoenix-ai.work/api/v1/health-proofCryptographic proof of node health. HMAC-SHA256 commitment over 8-layer security assessment (PQC, Frankenstein, Spearman, entropy, jitter) plus eBPF XDP/LSM status. Verifiable without revealing raw metrics.$0.01 Base213 ms1 payers100% up
  27. 97www.x402financialdata.com/aviation/airport-statusEvery US airport currently under an active FAA advisory in one call: closures, ground stops, ground delay programs, and arrival/departure delays, each with its reason and timing. Live from the FAA's own public National Airspace System status feed -- the same source air traffic control uses. Not airport-specific. $0.01/call.$0.01 Base189 ms1 payers100% up
  28. 97www.x402financialdata.com/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 Base206 ms1 payers100% up
  29. 97api.marketintelligenceapi.com/api/v1/insiders/batchUse to screen insider trading across a watchlist in one call ($0.06 for up to 10 US tickers, symbols=TSLA,NVDA,AAPL): per ticker the SEC Form 4 open-market buys and sales, 10b5-1 plan share, per-insider totals and a signal (CLUSTER_BUYING, NET_BUYING, PLANNED_SELLING, NET_SELLING). Tickers without data are listed under errors.$0.06 Base296 ms1 payers100% up
  30. 97mart402.com/v1/jp-payroll-netJapan net salary calculator for AI agents: annual gross to take-home pay (social insurance + income tax incl. reconstruction surtax + resident tax with adjustment credit). Exact NTA Beppyo-5 table, official Kyokai-Kenpo FY2026 rates, cited primary sources, deterministic. $0.02/call.$0.02 Base182 ms1 payers100% up
  31. 97mart402.com/v1/meal-visionMeal photo to nutrition JSON for AI agents: itemized dishes with portions/kcal/macros, reference-object scale calibration (chopsticks/cutlery/phone, with strength grading), scene-complexity detection, a disclosed calibrated kcal range, PFC energy-balance ratios, and deterministic 4/4/9 cross-checks (alcohol-aware). All estimates carry honest confidence + rules_version. Every call is a 3-run consensus: median run reported with per-call spread and item agreement disclosed. 0.05/image.$0.05 Base267 ms1 payers100% up
  32. 97api.marketintelligenceapi.com/api/v1/decision/ETHUSDUse 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 Base249 ms1 payers100% up
  33. 97api.marketintelligenceapi.com/api/v1/credits/buy/5Use when your client cannot sign an x402 payment per call (most MCP clients): one payment buys prepaid credit ($5, $20 = $22 credit, $50 = $60) and returns an API key. Send it as X-API-Key on any paid route or MCP tool; each call costs its x402 price and failed calls are refunded. With your key in X-API-Key it tops that key up.$5.00 Base240 ms1 payers100% up
  34. 97api.marketintelligenceapi.com/mcp/coreUse when the MCP client should load few tools. Compact MCP server with the 15 most used tools: live decision, pre-trade check, opportunity scan, snapshot, move explanation, token risk, new tokens, swap quote, market summary, macro calendar, symbol news and fundamentals. Each tools/call costs its HTTP route price; the full server is /mcp.$0.01 Base257 ms1 payers100% up
  35. 97signals.nsgoods.org/historyHistorical revealed signal snapshots (commit-reveal hash chain): past BUY/SELL/HOLD + confidence across major pairs, each with its verifiable hash. Bulk pay-per-call data for AI agents (USDC on Base). Free preview: GET /signals/preview$0.05 Base255 ms1 payers100% up
  36. 97gibai.app/moversWhat changed in the most recent Global Institutional Bitcoin Adoption Index report. Returns every scoring change to the world's 100 largest banks, each with the bank, the activity that moved, old and new values, a one-line reason, a primary source URL, the date the underlying event happened, and the bank's resulting score and rank. Answers: which banks moved on Bitcoin this period and why. Updated monthly.$0.02 Base190 ms1 payers100% up
  37. 97gibai.app/historyBitcoin and digital-asset adoption scores for the world's 100 largest banks, as CSV. Answers: does a bank offer Bitcoin custody or trading, how has its position changed, which banks lead. One row per scoring change since the index began, each with the bank, the activity (custody, trading, stablecoins, tokenization and 12 more), old and new values, a reason, a source URL, the event date, and the resulting score and rank out of 100. Includes the scoring schema. Free /latest shows coverage.$0.10 Base200 ms1 payers100% up
  38. 97rest.coincap.io/v3/agentFriendly/assets_searchSearch CoinCap assets by name or symbol (agent-optimized).$0.004 Base195 ms1 payers100% up
  39. 97blockrun.ai/api/v1/pm/polymarket/uma/market/:hashGet current UMA oracle status and event timeline for a single market$0.0085 Base67 ms1 payers100% up
  40. 97blockrun.ai/api/v1/pm/polymarket/markets/smart-activityDiscover markets where high-performing wallets are active$0.0085 Base132 ms1 payers100% up
  41. 97aayatai.com/token/whalesWhale and exchange flows for a token on Base, Ethereum, Arbitrum, Optimism or Polygon, from its latest ~250 transfers: large transfers, deposits/withdrawals per exchange (Binance, Coinbase, OKX...), fund and market-maker flows, DEX buys vs sells, top accumulating and distributing wallets, and plain signals. Pass ?address=...&chain=ethereum&minUsd=10000.$0.02 Base154 ms1 payers94% up
  42. 97aayatai.com/wallet/deepDeep wallet report on Base, Ethereum or Solana: everything in /wallet (balances, tokens, USD value) plus recent transactions and token transfers, in/out direction, SOL and token balance changes, programs or methods used, top counterparties, failed transactions and last active time. For due diligence, copy-trading research and agent payments. Pass ?address=...&chain=base.$0.03 Base127 ms1 payers94% up
  43. 97aayatai.com/package/audit/lockfileAudit a whole lockfile for known vulnerabilities and malware in one call: package-lock.json, yarn.lock, pnpm-lock.yaml, requirements.txt, poetry.lock, uv.lock, Pipfile.lock, Cargo.lock or go.sum, up to 1,000 exact versions checked against OSV.dev, with affected packages, severity and versions to upgrade to. POST {url} (raw file) or {content, filename}.$0.05 Base97 ms1 payers95% up
  44. 97aayatai.com/extract-jsonAI structured extraction: give a URL (web page, PDF, Word, Excel...) or text plus your own JSON Schema, get back JSON that fits it. POST {"url": "...", "schema": {"type": "object", "properties": {...}}, "instructions": "optional"}. Great for prices, contacts, specs, events, invoices and tables. Uses Llama 3.3 70B in JSON mode. Up to 40,000 characters of source; failures are not charged.$0.03 Base127 ms1 payers95% up
  45. 97aayatai.com/company/profileLive company profile from its domain: everything in /company/techstack plus domain age and registrar, security headers, likely legal entities in the global LEI register, and UK Companies House matches (when enabled). Companies only, no personal data. Pass ?domain=stripe.com&name=Stripe. For an AI-written report with news use /company/report.$0.03 Base233 ms1 payers95% up
  46. 9747620.xyz/x/block/0Block header for a slot: blockhash, previous blockhash, blockTime, transaction count. Pass a slot number.$0.005 Solana129 ms1 payers100% up
  47. 9747620.xyz/x/healthLive Solana cluster health: health, current slot, epoch, and SOL/USD price. Cheapest call.$0.005 Solana128 ms1 payers100% up
  48. 9747620.xyz/x/solana-fac/performanceRecent performance samples: non-vote transactions per slot, transaction counts, sample periods. A TPS/load proxy for agents timing their writes.$0.02 Solana185 ms1 payers100% up
  49. 97blockrun.ai/api/v1/pm/polymarket/volume-chart/:hashGet volume chart with YES/NO breakdown for a market$0.0085 Base74 ms1 payers100% up
  50. 97blockrun.ai/api/v1/pm/polymarket/wallet/volume-chart/:addressGet volume chart broken down by BUY/SELL side for a wallet$0.0085 Base81 ms1 payers100% up
  51. 97blockrun.ai/api/v1/pm/polymarket/wallet/identity/:addressFetch identity and profile metadata for a wallet address$0.0085 Base206 ms1 payers100% up
  52. 97blockrun.ai/api/v1/pm/polymarket/wallet/:address/clusterDiscover wallets connected to a seed address via on-chain transfers and identity proofs$0.0085 Base289 ms1 payers100% up
  53. 9747620.xyz/x/util/qrGenerate a QR code for any text/URL and return it as an inline SVG (and a base64 data URI). Query: ?text=<content> (required), size=<px per module, default 6> and margin=<modules, default 4>. Pure CPU, no external service.$0.002 Solana194 ms1 payers100% up
  54. 9747620.xyz/x/util/fingerprintCompute a SHA-256 fingerprint of any string: full hex digest, colon-separated (like SSH fingerprints), a short 16-char id, and base64. Deterministic, CPU-only. Pass ?text=<content>.$0.001 Solana201 ms1 payers100% up
  55. 9747620.xyz/x/util/convertConvert any value between units: length (m/km/mi/ft/in/yd/nmi, plus Russian verst/sazhen/arshin/vershok), mass (g/kg/lb/oz/tonne, plus Russian pood/funt/zolotnik), area (m2/ft2/km2/acre/hectare) and temperature (C/F/K). Pass ?value=<n>&from=<unit>&to=<unit>. Returns the converted value and the unit category.$0.001 Solana133 ms1 payers100% up
  56. 9747620.xyz/x/polygon/block/0Header + summary for a polygon block by number (or "latest"): hash, timestamp, tx count, gas used and base fee.$0.005 Solana139 ms1 payers100% up
  57. 9747620.xyz/x/crypto/price/SOLLive spot price for a coin (btc, eth, sol, bnb, xrp, ada, doge, avax, link, matic, arb, op) in USD with 24h change, high, low and quote volume. Cheapest call.$0.002 Solana123 ms1 payers100% up
  58. 9747620.xyz/x/crypto/orderbook/SOLTop-of-book for a coin: best bid/ask, mid price, absolute + bps spread, bid/ask depth and book imbalance (>0 = more bids). Query: limit (5-100, default 20). Liquidity and slippage read for an agent about to trade.$0.005 Solana133 ms1 payers100% up
  59. 9747620.xyz/x/crypto/ohlcv/SOLOHLCV candle history for a coin. Query: interval (1m,5m,15m,1h,4h,1d) and limit (<=500). Returns [openTime, open, high, low, close, volume] rows — the raw input a trading agent needs.$0.005 Solana125 ms1 payers100% up
  60. 9747620.xyz/x/crypto/indicators/SOLTechnical indicator snapshot for a coin: RSI(14) with overbought/oversold signal, EMA(20), EMA(50), SMA(20), SMA(50), SMA(200). Query: interval (default 1h), limit. The exact 'rsi ema' analysis agents ask for.$0.005 Solana131 ms1 payers100% up
  61. 9747620.xyz/x/crypto/derivatives/SOLPerpetual-futures context for a coin: last funding rate (and %), mark vs index price, next funding time, and open interest (base + USD). The signal a derivatives/trading agent checks before sizing a position.$0.005 Solana128 ms1 payers100% up
  62. 9747620.xyz/x/crypto/deep/SOLThe full decision pack in ONE call: spot + 24h stats, last candle, technical indicators (RSI/EMA/SMA), perpetual funding + open interest, and order-book spread/imbalance. Everything a trading agent needs to size and time a position. Query: interval (default 1h).$0.02 Solana128 ms1 payers100% up
  63. 9747620.xyz/x/crypto/brief/SOLEverything an agent needs in one call: spot price + 24h stats, last OHLCV candle, and technical indicators (RSI/EMA/SMA) for a coin. Query: interval (default 1h).$0.01 Solana125 ms1 payers100% up
  64. 9747620.xyz/x/base/block/0Header + summary for a base block by number (or "latest"): hash, timestamp, tx count, gas used and base fee.$0.005 Solana145 ms1 payers100% up
  65. 9747620.xyz/x/polygon/market-overviewDaily dashboard for a polygon agent: native POL/USD price, gas price, latest block and the current top boosted tokens on DexScreener. One call.$0.01 Solana149 ms1 payers100% up
  66. 9747620.xyz/x/polygon/snapshotOne call for the whole polygon picture: chain id, latest block, gas price, native token POL/USD price and the canonical USDC address. Replaces several separate calls.$0.01 Solana136 ms1 payers100% up
  67. 9747620.xyz/x/polygon/trendingTrending polygon DEX pairs by 24h volume (top boosted tokens on DexScreener).$0.02 Solana148 ms1 payers100% up
  68. 9747620.xyz/x/polygon/gasCurrent polygon gas price (gwei + wei) and the estimated cost of a 21k native transfer.$0.005 Solana137 ms1 payers100% up
  69. 9747620.xyz/x/polygon/block/latestHeader + summary for a polygon block by number (or "latest"): hash, timestamp, tx count, gas used and base fee.$0.005 Solana139 ms1 payers100% up
  70. 9747620.xyz/x/polygon/healthLive polygon network health: chain id, latest block number, gas price and native token POL/USD price. Cheapest call.$0.002 Solana133 ms1 payers100% up
  71. 9747620.xyz/x/base/market-overviewDaily dashboard for a base agent: native ETH/USD price, gas price, latest block and the current top boosted tokens on DexScreener. One call.$0.01 Solana132 ms1 payers100% up
  72. 9747620.xyz/x/base/snapshotOne call for the whole base picture: chain id, latest block, gas price, native token ETH/USD price and the canonical USDC address. Replaces several separate calls.$0.01 Solana137 ms1 payers100% up
  73. 9747620.xyz/x/base/trendingTrending base DEX pairs by 24h volume (top boosted tokens on DexScreener).$0.02 Solana149 ms1 payers100% up
  74. 9747620.xyz/x/base/gasCurrent base gas price (gwei + wei) and the estimated cost of a 21k native transfer.$0.005 Solana150 ms1 payers100% up
  75. 9747620.xyz/x/base/block/latestHeader + summary for a base block by number (or "latest"): hash, timestamp, tx count, gas used and base fee.$0.005 Solana148 ms1 payers100% up
  76. 9747620.xyz/x/base/healthLive base network health: chain id, latest block number, gas price and native token ETH/USD price. Cheapest call.$0.002 Solana143 ms1 payers100% up
  77. 97blockrun.ai/api/v1/pm/binance/candles/SOLUSDTGet OHLCV candlestick data for a Binance trading pair$0.0085 Base125 ms1 payers100% up
  78. 97blockrun.ai/api/v1/pm/binance/candles/ETHUSDTGet OHLCV candlestick data for a Binance trading pair$0.0085 Base127 ms1 payers100% up
  79. 97api.agentstools.dev/btc/feesRecommended Bitcoin transaction fee-rates in sat per vByte across five confirmation horizons (fastest, half hour, hour, economy, minimum) plus a live mempool congestion snapshot with an estimated block backlog. Informational, not advice.$0.005 Base183 ms1 payers100% up
  80. 97api.agentstools.dev/mining/capitulationBitcoin hash-ribbon miner-capitulation signal: the 30-day versus 60-day moving average of network hashrate, whether miners are in capitulation, whether a recovery cross has occurred, and the 30-day hashrate trend. Informational, not advice.$0.008 Base178 ms1 payers100% up
  81. 97api.agentstools.dev/treasury/statementThe US Monthly Treasury Statement: federal receipts, outlays and the deficit or surplus for the latest month and fiscal year to date, fused with interest expense. Computes the deficit change year over year and interest expense as a share of receipts. Cited to Treasury Fiscal Data.$0.02 Base165 ms1 payers100% up
  82. 97www.x402financialdata.com/stablecoinsTop USD-pegged stablecoins by circulating market cap, live from DeFiLlama: current peg price with deviation from $1 (a live depeg monitor), plus 1d/7d % change in circulating supply. Not ticker-specific -- a market-wide screener. Supports optional limit (default 10, max 25). $0.01/call.$0.01 Base168 ms1 payers100% up
  83. 97api.blockscout.com/:chain_id/api/v2/transactions/:transaction_hash_paramAccess to api/v2/transactions/:hash. Retrieve detailed information about a specific transaction$0.002 Base284 ms1 payers100% up
  84. 97api.itsgloria.ai/recapsGet a recap of the news or summary of a covered news topic over the past 12-24 hours.$0.10 Base63 ms1 payers100% up
  85. 97chain.openverbs.com/v1/btc-txLook up a Bitcoin transaction by txid: confirmation status, block height and time, fee (sats), effective fee rate (sat/vB), size, weight and virtual size, input and output counts, and total output value (sats and BTC). On-chain ground truth for verifying a payment.$0.006 Base45 ms1 payers100% up
  86. 97chain.openverbs.com/v1/btc-addressBalance and activity for a Bitcoin address (base58 1…/3… or bech32 bc1…): confirmed balance (sats and BTC), total received and sent, confirmed transaction count, and unconfirmed/pending value and tx count from the mempool. On-chain ground truth an agent cannot compute locally.$0.006 Base43 ms1 payers100% up
  87. 97chain.openverbs.com/v1/explainDecode a transaction into plain language: native ETH transfer, contract call (with decoded method name for common ERC-20/DEX functions like transfer, approve, swap, mint, multicall) or contract creation; ERC-20 and NFT (ERC-721) transfers it triggered (token, from, to, amount/tokenId from logs); gas spent in ETH; success/failed/pending; and a one-line summary. Reads live on-chain data with automatic endpoint fallback.$0.006 Base47 ms1 payers100% up
  88. 97chain.openverbs.com/v1/ens-resolveResolve an ENS name (like alice.eth) to its Ethereum address, read live from the ENS resolver on Ethereum mainnet. Offchain names such as *.base.eth resolve too. Returns `found:false` (a real answer, not an error) when the name has no address record. Live reads with automatic endpoint fallback.$0.003 Base46 ms1 payers100% up
  89. 97chain.openverbs.com/v1/token-riskDeterministic risk screen of an ERC-20 token from on-chain bytecode and metadata, no third-party risk API. Flags privileged or abuse capabilities: blacklist/freeze, owner mint, pausable transfers, upgradeable proxy and a privileged owner, plus tokens missing symbol/decimals or code. Returns each flag with a severity, a 0-100 score and a verdict. Reads live on-chain data with automatic endpoint fallback.$0.006 Base45 ms1 payers100% up
  90. 97crypto-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 Base283 ms1 payers100% up
  91. 97fabair-agents.com/trust-v1Signed public receipt, refusal or rule entry in the FABA trust log$0.01 Base283 ms1 payers100% up
  92. 97extract.tollkit.dev/chain/tokenERC-20 token info on Base or Ethereum: give a contract address, get its name, symbol, decimals and total supply, read live from the chain. $0.002 per call; an address that isn't a token is not charged.$0.002 Base224 ms1 payers100% up
  93. 97extract.tollkit.dev/chain/balanceWallet balance on Base or Ethereum: give an address, get its native ETH plus USDC (and USDT on Ethereum), and any other ERC-20 tokens you list (up to 20), with symbols and decimals applied. Read live from the chain. $0.002 per call; a bad address or an RPC failure is not charged.$0.002 Base226 ms1 payers100% up
  94. 97api.newsgurus.ai/x402/btc/snapshotNews Gurus Intel API — BTC one-call read: dormant/Satoshi-era wallet movement state, the five most recent dormant-wallet moves (BTC, USD value, years dormant), latest APEX BTC confluence signals and the market regime. Educational data, not financial advice.$0.05 Base180 ms1 payers100% up
  95. 97api.newsgurus.ai/x402/macro/snapshotNews Gurus Intel API — macro one-call read: current market regime plus the latest Fed-speech, BIS, prediction-market and geopolitical intelligence entries from the macro agents. Educational data, not financial advice.$0.02 Base158 ms1 payers100% up
  96. 97api.newsgurus.ai/x402/sentiment/NVDANews Gurus Intel API — per-symbol social sentiment: recent sentiment/retail signals (bullish vs bearish counts + net bias) merged with social-intelligence ideas (LunarCrush, StockTwits, Telegram, X) for one ticker. Educational data, not financial advice.$0.02 Base150 ms1 payers100% up
  97. 97api.newsgurus.ai/x402/stocks/rankingsNews Gurus Intel API — full quality-compounder rankings (high-margin / low-debt / high-cash / growing-revenue US equities + revenue-generating crypto protocols, percentile-scored) PLUS growth-stock LEAPS candidates, in one call. A whole ranked universe per request. Educational data, not financial advice.$0.25 Base100 ms1 payers100% up
  98. 97api.newsgurus.ai/x402/options/gex/NVDANews Gurus Intel API — dealer-regime classification for one equity/ETF symbol: regime label (e.g. positive_gamma_pinning / negative_gamma_amplifying) and gamma_bias (positive/negative/neutral) for squeeze and volatility analysis. Raw gamma dollar exposures are not redistributed. Educational data, not financial advice.$0.10 Base111 ms1 payers100% up
  99. 97iposignal.xyz/api/agent/ipo/by-symbol/:symbolFull IPO company profile with AI research, valuation analysis, and deal terms$0.01 Base149 ms1 payers100% up
  100. 97touchstone.locomot.io/syntaxDeterministic syntax validation — does this JSON/YAML/TOML/Python/regex parse? Valid/invalid + error location from the canonical parser. For long source use POST. Free sample, no payment required: GET /play/syntax$0.001 Base164 ms1 payers100% up