{"id":"c99b4539-5a71-4b28-ac1e-131023539c5a","shortId":"zY4tsD","kind":"x402","title":"Historical stock data for ISRG (Intuitive Surgical) via x402 micropayment on Base.","tagline":"Historical stock data for ISRG (Intuitive Surgical) via x402 micropayment on Base.","description":"This endpoint provides historical stock price data for ISRG (Intuitive Surgical) through the x402 payment protocol. It is part of a broader API platform at lowpaymentfee.com that offers data & analytics, AI/ML, finance, and infrastructure endpoints, all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/stocks/ISRG/history` accepts POST requests and returns JSON. Payment is handled inline via the x402 protocol: callers include an X-PAYMENT header with a signed USDC payment on Base. The maximum amount required per call is 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals). No API keys, rate limits, or upfront commitments are required — each request is independently paid for.\n\nDocumentation is extremely sparse. The landing page lists available endpoints and pricing, but the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what fields the historical stock data includes (e.g., OHLCV, date ranges, intervals). Prospective users should expect to experiment with the endpoint to discover its input parameters and output format.","tags":[],"capabilities":["stock-history","x402-payment","usdc-base","per-request-pricing","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["stock price history","ISRG historical data","Intuitive Surgical stock","equity price API","stock market data","historical quotes","stock OHLCV"],"warnings":["No documentation available — /docs, /pricing, and /README pages are empty","No OpenAPI or JSON schema describing request parameters or response format","Unknown what historical data fields are returned (dates, OHLCV, intervals, etc.)","Only the ISRG ticker path is documented; unclear if other tickers are supported at similar paths","The broader platform lists many endpoint categories but specifics for stock endpoints are not documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/ISRG/history","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/stocks/ISRG/history","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, and no meaningful documentation — the docs/pricing/README pages are all empty beyond a wallet connect prompt. The actual data format and supported parameters are 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'/docs':156 '/pricing':157 '/readme':159 '0.02':63,119 '000':114 '20':113 '6':124 'ISRG historical data' 'Intuitive Surgical stock' 'accept':78 'ai/ml':55 'amount':108 'analyt':54 'api':47,127 'avail':150 'base':12,24,72,105,115 'broader':46 'call':111 'caller':92 'commit':133 'connect':165 'content':171 'data':3,15,31,53,189 'date':193 'decim':125 'descript':182 'discov':206 'document':142 'e.g':191 'endpoint':26,59,76,151,204 'equity price API' 'exampl':179 'expect':199 'experi':201 'extrem':144 'field':185 'financ':56 'format':212 'handl':86 'header':98 'histor':1,13,28,187 'historical quotes' 'includ':93,190 'independ':139 'infrastructur':58 'inlin':87 'input':208 'interv':195 'intuit':6,18,34 'isrg':5,17,33 'json':83 'json-response' 'key':128 'land':147 'limit':130 'list':149 'lowpaymentfee.com':50 'maximum':107 'micropay':10,22 'network':73 'no-api-key' 'offer':52 'ohlcv':192 'openapi':175 'output':211 'page':148,160 'paid':140 'paramet':209 'part':43 'payment':39,84,97,103 'per':64,110 'per-request-pricing' 'platform':48 'post':79 'price':30,61,153 'prompt':167 'prospect':196 'protocol':40,91 'provid':27 'rang':194 'rate':129 'render':162 'request':65,80,137 'request/response':178 'requir':109,135 'return':82 'schema':176 'settl':67 'sign':101 'sinc':121 'spars':145 'specif':75 'stock':2,14,29,188 'stock OHLCV' 'stock market data' 'stock price history' 'stock-history' 'surgic':7,19,35 'unit':116 'upfront':132 'usd':120 'usdc':69,102,118,122 'usdc-base' 'use':123 'user':197 'via':8,20,88 'wallet':166 'x':96 'x-payment':95 'x402':9,21,38,90 'x402-payment'","prices":[{"id":"d54186c8-33fd-4dcd-a171-2371cda786f5","listingId":"c99b4539-5a71-4b28-ac1e-131023539c5a","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/stocks/ISRG/history","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:35:18.617Z"}],"sources":[{"listingId":"c99b4539-5a71-4b28-ac1e-131023539c5a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/ISRG/history","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:35:18.617Z","lastSeenAt":"2026-04-29T16:33:54.602Z"}],"details":{"listingId":"c99b4539-5a71-4b28-ac1e-131023539c5a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/ISRG/history \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge requiring 20000 base units of USDC on Base (asset 0x8335...)","source_url":"https://lowpaymentfee.com/api/v1/stocks/ISRG/history"},{"claim":"All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers Data & Analytics, AI & ML, Finance & Web3, and Infrastructure API categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving historical price data for Intuitive Surgical (ISRG) stock","Building trading or backtesting models that need ISRG price history","Agents autonomously purchasing financial data without API key registration","Integrating stock history into dashboards or analytics pipelines"],"bestFor":["AI agents that need on-demand stock history without account setup","Developers wanting pay-per-call stock data with no subscription","x402-compatible workflows on the Base network"],"notFor":["Users needing real-time streaming stock quotes","Bulk historical data downloads across many tickers (only ISRG path documented)","Users who cannot transact in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:51.069Z"},"updatedAt":"2026-04-29T16:33:54.602Z"}}