{"id":"c30c133f-aecc-44ab-af9d-465417f5bc77","shortId":"4yNdXu","kind":"x402","title":"Real-time stock price data for AMZN via x402 micropayment on Base, $0.02 per request.","tagline":"Real-time stock price data for AMZN via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides real-time stock price data for Amazon (AMZN) through the x402 payment protocol. It is part of a broader suite of APIs hosted at lowpaymentfee.com that span data analytics, AI/ML inference, finance, crypto, and utility services — all accessible without API keys or rate limits, using per-request micropayments settled in USDC on the Base network.\n\nThe specific endpoint at `/api/v1/stocks/AMZN/price` accepts POST requests and returns JSON. Payment is handled inline via the x402 protocol: the endpoint returns a 402 challenge advertising a maximum cost of 20,000 base units of USDC (0.02 USD) per call, paid to a designated wallet address on Base. The asset used is USDC (contract 0x8335…2913 on Base). No subscription, API key, or account registration is required — agents simply attach an X-PAYMENT header with a valid payment proof.\n\nThe provider's landing page lists a uniform $0.02/request price across all endpoints, with claims of no rate limits and instant access. Documentation pages beyond the landing page were largely empty (showing only a \"Connect wallet\" prompt), so details about response schema, supported query parameters, or data sourcing are not available from the crawled material.","tags":[],"capabilities":["stock-price-lookup","x402-micropayment","usdc-payment","base-network","real-time-data","no-api-key","per-request-billing"],"categories":["finance","data"],"synonyms":["AMZN stock price","Amazon share price API","stock quote API","equity price feed","real-time stock data","micropayment stock API","x402 finance API"],"warnings":["Documentation pages (/docs, /api, /pricing, /README) returned no meaningful content beyond a 'Connect wallet' prompt.","No response schema or example response is available — the actual fields returned by this endpoint are unknown.","No information about the data source for stock prices (e.g., whether it's delayed, real-time, or which exchange).","The endpoint path is ticker-specific (/stocks/AMZN/price); it is unclear whether other tickers are supported at similar paths."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/AMZN/price","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/AMZN/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing. However, documentation pages are effectively empty, there is no OpenAPI spec, no response schema, and no example responses. The actual data source and response format must be 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'/request':182 '0.02':14,30,129,181 '000':124 '0x8335':147 '20':123 '2913':148 '402':116 'AMZN stock price' 'Amazon share price API' 'accept':98 'access':74,195 'account':156 'across':184 'address':138 'advertis':118 'agent':160 'ai/ml':66 'amazon':43 'amzn':8,24,44 'analyt':65 'api':58,76,153 'asset':142 'attach':162 'avail':224 'base':13,29,91,125,140,150 'base-network' 'beyond':198 'broader':55 'call':132 'challeng':117 'claim':188 'connect':208 'contract':146 'cost':121 'crawl':227 'crypto':69 'data':6,22,41,64,220 'design':136 'detail':212 'document':196 'empti':204 'endpoint':34,95,113,186 'equity price feed' 'financ':68 'handl':106 'header':167 'host':59 'infer':67 'inlin':107 'instant':194 'json':103 'key':77,154 'land':176,200 'larg':203 'limit':80,192 'list':178 'lowpaymentfee.com':61 'materi':228 'maximum':120 'micropay':11,27,85 'micropayment stock API' 'network':92 'no-api-key' 'page':177,197,201 'paid':133 'paramet':218 'part':52 'payment':48,104,166,171 'per':15,31,83,131 'per-request':82 'per-request-billing' 'post':99 'price':5,21,40,183 'prompt':210 'proof':172 'protocol':49,111 'provid':35,174 'queri':217 'rate':79,191 'real':2,18,37 'real-tim':1,17,36 'real-time stock data' 'real-time-data' 'registr':157 'request':16,32,84,100 'requir':159 'respons':214 'return':102,114 'schema':215 'servic':72 'settl':86 'show':205 'simpli':161 'sourc':221 'span':63 'specif':94 'stock':4,20,39 'stock quote API' 'stock-price-lookup' 'subscript':152 'suit':56 'support':216 'time':3,19,38 'uniform':180 'unit':126 'usd':130 'usdc':88,128,145 'usdc-payment' 'use':81,143 'util':71 'valid':170 'via':9,25,108 'wallet':137,209 'without':75 'x':165 'x-payment':164 'x402':10,26,47,110 'x402 finance API' 'x402-micropayment'","prices":[{"id":"36b4630d-d143-4f27-aa15-25ea946639d7","listingId":"c30c133f-aecc-44ab-af9d-465417f5bc77","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/AMZN/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:19.271Z"}],"sources":[{"listingId":"c30c133f-aecc-44ab-af9d-465417f5bc77","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/AMZN/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:19.271Z","lastSeenAt":"2026-04-23T20:01:26.028Z"}],"details":{"listingId":"c30c133f-aecc-44ab-af9d-465417f5bc77","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/AMZN/price \\\n  -H \"X-PAYMENT: <x402_payment_proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/AMZN/price"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/AMZN/price"},{"claim":"All endpoints 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 provider offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching the current Amazon (AMZN) stock price in an automated trading or monitoring agent","Integrating real-time equity prices into a portfolio dashboard without managing API keys","Paying per-request for stock data from an AI agent using x402 on Base"],"bestFor":["AI agents that need on-demand stock prices without subscription overhead","Developers prototyping financial tools who want instant, keyless API access","Low-volume or bursty use cases where per-call pricing is more economical than a subscription"],"notFor":["High-frequency trading requiring sub-millisecond latency and guaranteed SLAs","Users who need historical OHLCV or bulk market data downloads","Teams that cannot settle payments in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:47:14.132Z"},"updatedAt":"2026-04-23T20:01:26.028Z"}}