{"id":"1c308441-54f7-46e3-abae-fc17a2e5f501","shortId":"pG5R6g","kind":"x402","title":"Historical stock data for INTC via x402 micropayment on Base, $0.02 per request.","tagline":"Historical stock data for INTC via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides historical stock price data for Intel Corporation (INTC) through the lowpaymentfee.com platform. It is part of a broader suite of pay-per-request APIs covering finance, analytics, AI/ML, and infrastructure services. Payment is handled via the x402 protocol on the Base network using USDC, with each request costing $0.02 (20,000 base units of USDC with 6 decimals).\n\nThe endpoint accepts POST requests and returns JSON. No API keys or account registration are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof. The platform advertises no rate limits and instant access. The x402 challenge was successfully captured, confirming the endpoint is live.\n\nDocumentation beyond the landing page is extremely sparse. The /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what fields the historical stock data response contains or what query parameters (date range, interval, etc.) are supported. The endpoint path suggests it returns historical price data for the INTC ticker, but the exact shape of the request body and response payload must be discovered by calling the endpoint.","tags":[],"capabilities":["stock-history","historical-prices","x402-payment","usdc-base","pay-per-request","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["INTC stock history","Intel stock data","historical stock prices","stock price API","equity market data","x402 stock API","micropayment stock data"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages all return only a wallet-connect prompt with no content","No OpenAPI or schema describing request parameters (e.g., date range, interval) or response fields","Request body format and response structure must be discovered empirically","The provider hosts many diverse API categories (AI, finance, infrastructure) at uniform $0.02 pricing, which may indicate a thin wrapper or placeholder service"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/INTC/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/INTC/history","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty stubs. The actual data format and supported parameters are 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'/docs':148 '/pricing':149 '/readme':152 '0.02':11,24,79 '000':81 '20':80 '6':87 'INTC stock history' 'Intel stock data' 'accept':91 'access':127 'account':101 'advertis':121 'ai/ml':58 'analyt':57 'api':54,98 'attach':107 'base':10,23,71,82 'beyond':140 'bodi':215 'broader':47 'call':223 'caller':105 'captur':133 'challeng':130 'confirm':134 'connect':158 'contain':184 'content':164 'corpor':36 'cost':78 'cover':55 'data':3,16,33,182,203 'date':189 'decim':88 'descript':175 'discov':221 'document':139 'endpoint':28,90,136,196,225 'equity market data' 'etc':192 'exact':210 'exampl':172 'extrem':145 'field':178 'financ':56 'handl':64 'header':112 'histor':1,14,30,180,201 'historical stock prices' 'historical-prices' 'infrastructur':60 'instant':126 'intc':5,18,37,206 'intel':35 'interv':191 'json':96 'json-response' 'key':99 'land':142 'limit':124 'live':138 'lowpaymentfee.com':40 'micropay':8,21 'micropayment stock data' 'must':219 'network':72 'no-api-key' 'openapi':168 'page':143,153 'paramet':188 'part':44 'path':197 'pay':51 'pay-per-request':50 'payload':218 'payment':62,111,117 'per':12,25,52 'platform':41,120 'post':92 'price':32,202 'prompt':160 'proof':118 'protocol':68 'provid':29 'queri':187 'rang':190 'rate':123 'registr':102 'request':13,26,53,77,93,214 'request/response':171 'requir':104 'respons':183,217 'return':95,155,200 'schema':169 'servic':61 'shape':211 'simpli':106 'spars':146 'stock':2,15,31,181 'stock price API' 'stock-history' 'substant':163 'success':132 'suggest':198 'suit':48 'support':194 'ticker':207 'unit':83 'usdc':74,85 'usdc-base' 'use':73 'valid':115 'via':6,19,65 'wallet':159 'x':110 'x-payment':109 'x402':7,20,67,116,129 'x402 stock API' 'x402-payment'","prices":[{"id":"8e4a0c1a-3be2-4ff1-919a-94babb534178","listingId":"1c308441-54f7-46e3-abae-fc17a2e5f501","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/INTC/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":"2026-04-18T18:34:58.759Z"}],"sources":[{"listingId":"1c308441-54f7-46e3-abae-fc17a2e5f501","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/INTC/history","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:58.759Z","lastSeenAt":"2026-04-29T17:33:52.443Z"}],"details":{"listingId":"1c308441-54f7-46e3-abae-fc17a2e5f501","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/INTC/history \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC on Base network, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/stocks/INTC/history"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/INTC/history"}],"useCases":["Retrieving historical price data for Intel (INTC) stock for backtesting or analysis","Building trading dashboards that pull stock history on demand without API key management","Agent-driven financial research workflows that pay per query via x402"],"bestFor":["Developers wanting frictionless pay-per-call stock data without subscriptions","AI agents that need on-demand historical equity data with crypto micropayments","Prototyping financial applications where low per-request cost matters"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data feeds","Users who need comprehensive multi-ticker coverage with documented schemas","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:52.131Z"},"updatedAt":"2026-04-29T17:33:52.443Z"}}