{"id":"d6753219-3e06-4f1d-9215-0419f588854c","shortId":"4JfWDe","kind":"x402","title":"Historical stock price data for MCD (McDonald's) via pay-per-request x402 on Base.","tagline":"Historical stock price data for MCD (McDonald's) via pay-per-request x402 on Base.","description":"This endpoint provides historical stock price data for McDonald's (ticker: MCD) through the x402 payment protocol. It is part of a broader API platform at lowpaymentfee.com that offers data & analytics, AI/ML inference, finance, crypto, and utility endpoints — all priced at $0.02 per request with no API keys, no rate limits, and no commitments.\n\nThe specific endpoint at `/api/v1/stocks/MCD/history` accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals). The x402 challenge was successfully captured, confirming the endpoint is live.\n\nDocumentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional content. There is no OpenAPI schema, no request/response examples, and no description of what fields the historical stock data includes or what parameters the POST body accepts. Consumers should expect to experiment with the endpoint to discover its input and output format.","tags":[],"capabilities":["stock-history","historical-prices","x402-payment","per-request-billing","base-network","usdc-settlement","no-api-key"],"categories":["finance","data"],"synonyms":["stock price history","MCD historical data","McDonald's stock API","equity price data","stock market API","x402 stock data","pay-per-call finance API"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No OpenAPI or input/output schema provided; request body format and response fields are unknown.","The endpoint path suggests stock-specific data (MCD), but it is unclear whether other tickers are supported or what date ranges/parameters are accepted.","Stock data endpoints may be subject to data licensing restrictions depending on the underlying source."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/MCD/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/MCD/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 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request parameters, no response examples, and the docs/pricing/README pages are all empty beyond a wallet-connect prompt. The listing is essentially a stub with confirmed 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'0.02':74,124 '000':117 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':108 '20':116 '6':127 'MCD historical data' 'McDonald''s stock API' 'accept':92,191 'addit':164 'ai/ml':64 'amount':111 'analyt':63 'api':56,79,150 'base':16,32,103,118 'base-network' 'beyond':141 'bodi':190 'broader':55 'call':114 'captur':134 'challeng':131 'commit':86 'confirm':135 'connect':159 'consum':192 'content':165 'contract':107 'crypto':67 'data':4,20,39,62,183 'decim':128 'descript':176 'discov':201 'doc':149 'document':140 'endpoint':34,70,89,137,199 'equal':123 'equity price data' 'exampl':173 'expect':194 'experi':196 'extrem':146 'field':179 'financ':66 'format':206 'histor':1,17,36,181 'historical-prices' 'includ':184 'infer':65 'input':203 'json':97 'key':80 'land':143 'limit':83 'live':139 'lowpaymentfee.com':59 'maximum':110 'mcd':6,22,44 'mcdonald':7,23,41 'network':104 'no-api-key' 'offer':61 'openapi':169 'output':205 'page':144,154 'paramet':187 'part':52 'pay':11,27 'pay-per-call finance API' 'pay-per-request':10,26 'payment':48,98 'per':12,28,75,113 'per-request-billing' 'platform':57 'post':93,189 'price':3,19,38,72,151 'prompt':161 'protocol':49 'provid':35 'rate':82 'readm':153 'render':156 'request':13,29,76,94 'request/response':172 'requir':112 'return':96 'schema':170 'settl':100 'spars':147 'specif':88 'stock':2,18,37,182 'stock market API' 'stock price history' 'stock-history' 'success':133 'ticker':43 'unit':119 'usdc':106,121,125 'usdc-settlement' 'use':105,126 'util':69 'via':9,25 'wallet':160 'x402':14,30,47,130 'x402 stock data' 'x402-payment'","prices":[{"id":"201b0a33-fd50-47fe-84af-924061ea3552","listingId":"d6753219-3e06-4f1d-9215-0419f588854c","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/MCD/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":"2026-04-18T18:38:22.527Z"}],"sources":[{"listingId":"d6753219-3e06-4f1d-9215-0419f588854c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/MCD/history","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:38:22.527Z","lastSeenAt":"2026-04-29T08:34:14.541Z"}],"details":{"listingId":"d6753219-3e06-4f1d-9215-0419f588854c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/MCD/history \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{}'","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 with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/stocks/MCD/history"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/MCD/history"},{"claim":"All endpoints 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 stock price data for McDonald's (MCD) for backtesting or analysis","Integrating stock history into an AI agent workflow without managing API keys","Building financial dashboards that pull historical equity data on demand"],"bestFor":["Agents needing on-demand stock history without subscription commitments","Developers who want keyless, pay-per-request access to equity data","Crypto-native applications that can settle micropayments on Base"],"notFor":["Users needing real-time streaming stock quotes (this is historical data)","Bulk data downloads where per-request pricing would be cost-prohibitive at scale","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:42.077Z"},"updatedAt":"2026-04-29T08:34:14.541Z"}}