{"id":"7a5341ab-b909-46df-8e1e-973f585f6c37","shortId":"jSydk4","kind":"x402","title":"Real-time AMD stock price via x402 micropayment on Base for $0.02 per request.","tagline":"Real-time AMD stock price via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current stock price for AMD (Advanced Micro Devices) via an x402-enabled API hosted at lowpaymentfee.com. Each request costs $0.02 in USDC on the Base network, with no API keys, rate limits, or subscriptions required — payment is handled inline via the x402 protocol.\n\nThe endpoint accepts HTTP POST requests and returns JSON. It is part of a broader suite of pay-per-call APIs offered by lowpaymentfee.com spanning finance, AI/ML, data analytics, and utility services, all priced at $0.02 per request. The specific URL path `/api/v1/stocks/AMD/price` suggests the provider may offer similar endpoints for other stock tickers, though only AMD is confirmed here.\n\nPayment is settled on-chain using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base. The x402 challenge specifies a maxAmountRequired of 20000 base units, which equals $0.02 (USDC uses 6 decimals). The payTo address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3. No OpenAPI schema, detailed documentation, or example responses were found in the crawl — the docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no further content.","tags":[],"capabilities":["stock-price-lookup","real-time-market-data","x402-micropayment","usdc-base-settlement","pay-per-request","no-api-key"],"categories":["finance","market-data"],"synonyms":["AMD stock price API","stock quote API","equity price endpoint","real-time stock data","micropayment stock API","x402 finance API","pay-per-call stock price"],"warnings":["No OpenAPI or JSON schema available for request or response bodies","Documentation pages (/docs, /pricing, /api, /README) returned no useful content — only 'Connect wallet' prompts","Response format and fields are unknown; no example responses available","It is unclear whether the endpoint returns real-time, delayed, or cached stock prices","The broader API suite lists many endpoints but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/AMD/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/AMD/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, there is no OpenAPI schema, no example request/response, and the documentation pages are empty (only showing 'Connect wallet'). The response format and request body schema must be guessed. Pricing and payment details are clear from the 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'0.02':13,28,55,115,164 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':173 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':149 '20000':159 '6':167 'AMD stock price API' 'accept':81 'address':171 'advanc':40 'ai/ml':106 'amd':4,19,39,136 'analyt':108 'api':48,64,100,191 'base':11,26,60,151,160 'broader':93 'call':99 'chain':145 'challeng':154 'confirm':138 'connect':197 'content':203 'contract':148 'cost':54 'crawl':186 'current':35 'data':107 'decim':168 'detail':177 'devic':42 'doc':188 'document':178 'enabl':47 'endpoint':32,80,129 'equal':163 'equity price endpoint' 'exampl':180 'financ':105 'found':183 'handl':73 'host':49 'http':82 'inlin':74 'json':87 'key':65 'limit':67 'lowpaymentfee.com':51,103 'maxamountrequir':157 'may':126 'micro':41 'micropay':9,24 'micropayment stock API' 'network':61 'no-api-key' 'offer':101,127 'on-chain':143 'openapi':175 'page':192 'part':90 'path':121 'pay':97 'pay-per-cal':96 'pay-per-call stock price' 'pay-per-request' 'payment':71,140 'payto':170 'per':14,29,98,116 'post':83 'price':6,21,37,113,189 'prompt':199 'protocol':78 'provid':125 'rate':66 'real':2,17 'real-tim':1,16 'real-time stock data' 'real-time-market-data' 'request':15,30,53,84,117 'requir':70 'respons':181 'return':33,86,194 'schema':176 'servic':111 'settl':142 'similar':128 'span':104 'specif':119 'specifi':155 'stock':5,20,36,132 'stock quote API' 'stock-price-lookup' 'subscript':69 'suggest':123 'suit':94 'though':134 'ticker':133 'time':3,18 'unit':161 'url':120 'usdc':57,147,165 'usdc-base-settlement' 'use':146,166 'util':110 'via':7,22,43,75 'wallet':198 'x402':8,23,46,77,153 'x402 finance API' 'x402-enabled':45 'x402-micropayment'","prices":[{"id":"ea360350-48b7-4587-8f41-15aa6c6af333","listingId":"7a5341ab-b909-46df-8e1e-973f585f6c37","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/AMD/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":"2026-04-18T18:35:03.639Z"}],"sources":[{"listingId":"7a5341ab-b909-46df-8e1e-973f585f6c37","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/AMD/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:35:03.639Z","lastSeenAt":"2026-04-22T09:00:33.906Z"}],"details":{"listingId":"7a5341ab-b909-46df-8e1e-973f585f6c37","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/AMD/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 402 with an x402 challenge requiring 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/AMD/price"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/AMD/price"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform offers APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching the current AMD stock price for trading bots or portfolio dashboards","Agents that need on-demand equity price checks without managing API keys","Integrating real-time stock data into workflows with per-call crypto micropayments"],"bestFor":["AI agents needing keyless, on-demand stock price lookups","Developers who prefer pay-per-call over subscription-based market data APIs","Crypto-native applications that can settle USDC on Base"],"notFor":["Bulk historical stock data retrieval (only current price is indicated)","Users who cannot transact in USDC on the Base network","Applications requiring sub-second latency with guaranteed SLAs (no SLA documentation found)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:51.816Z"},"updatedAt":"2026-04-22T09:00:33.906Z"}}