{"id":"99b1fd4a-f5c6-414f-9bcb-91b098798d46","shortId":"39XaAC","kind":"x402","title":"Pay-per-call stock quote API for NKE (Nike) via x402 on Base, settled in USDC.","tagline":"Pay-per-call stock quote API for NKE (Nike) via x402 on Base, settled in USDC.","description":"This endpoint at lowpaymentfee.com provides stock data for Nike (ticker: NKE) behind an x402 paywall. It is part of a broader platform offering data & analytics, AI/ML, finance, crypto, and utility APIs, all priced at $0.02 per request with no API keys, no rate limits, and no commitments. Payment is settled on the Base network using USDC.\n\nThe specific endpoint `/api/v1/stocks/NKE` accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, requiring a maximum of $0.02 (20,000 base units of USDC with 6 decimals) per call, paid to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base. The payment scheme is \"exact,\" meaning the full amount is charged per request.\n\nDocumentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of what fields the stock data response contains. The endpoint likely returns price or quote information for NKE, but the exact schema is unknown.","tags":[],"capabilities":["stock-quote","per-call-payment","x402","usdc-settlement","base-network","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["Nike stock price","NKE quote","stock data API","equity price feed","stock market API","pay-per-call stock API"],"warnings":["No OpenAPI spec or schema available for request or response payloads","Documentation pages (/docs, /pricing, /api, /README) are empty — only show 'Connect wallet'","Exact response fields for stock data are unknown; endpoint behavior is inferred from the URL path","The broader platform lists many API categories but it is unclear which endpoints are fully functional"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/NKE","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/NKE","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, but there is no documentation, no OpenAPI spec, no example request/response, and no description of the response schema. The platform pages beyond the landing page are empty (\"Connect wallet\" only). This is effectively a stub 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'0.02':69,113 '000':115 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':128 '20':114 '6':121 'NKE quote' 'Nike stock price' 'accept':95 'address':127 'ai/ml':60 'amount':139 'analyt':59 'api':7,24,65,74,152 'base':14,31,87,116,130 'base-network' 'behind':46 'broader':55 'call':4,21,124 'challeng':103 'charg':141 'commit':81 'confirm':104 'connect':158 'contain':185 'crypto':62 'data':41,58,183 'decim':122 'descript':177 'detail':165 'doc':149 'document':144 'endpoint':36,93,106,187 'equity price feed' 'exact':135,198 'exampl':172 'extrem':146 'field':180 'financ':61 'full':138 'inform':193 'json':100 'json-response' 'key':75 'like':188 'limit':78 'live':108 'lowpaymentfee.com':38 'maximum':111 'mean':136 'network':88 'nike':10,27,43 'nke':9,26,45,195 'no-api-key' 'offer':57 'openapi':169 'page':153 'paid':125 'part':52 'pay':2,19 'pay-per-cal':1,18 'pay-per-call stock API' 'payload':174 'payment':82,132 'paywal':49 'per':3,20,70,123,142 'per-call-payment' 'platform':56 'post':96 'price':67,150,190 'prompt':160 'provid':39 'quot':6,23,192 'rate':77 'render':155 'request':71,97,143 'request/response':173 'requir':109 'respons':184 'return':99,189 'schema':199 'scheme':133 'settl':15,32,84 'spars':147 'spec':170 'specif':92 'stock':5,22,40,182 'stock data API' 'stock market API' 'stock-quote' 'technic':164 'ticker':44 'unit':117 'unknown':201 'usdc':17,34,90,119 'usdc-settlement' 'use':89 'util':64 'via':11,28 'wallet':159 'x402':12,29,48,102","prices":[{"id":"afa5b511-a1ab-4067-9d29-34fabd2ce424","listingId":"99b1fd4a-f5c6-414f-9bcb-91b098798d46","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/NKE","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:36.183Z"}],"sources":[{"listingId":"99b1fd4a-f5c6-414f-9bcb-91b098798d46","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/NKE","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:36.183Z","lastSeenAt":"2026-04-23T20:01:27.385Z"}],"details":{"listingId":"99b1fd4a-f5c6-414f-9bcb-91b098798d46","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/NKE \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 challenge requiring 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/NKE"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/NKE"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet' with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching current Nike (NKE) stock data on demand without subscription","Agent-driven portfolio monitoring that pays per query","Integrating real-time equity quotes into trading bots via micropayments"],"bestFor":["Agents or apps needing occasional stock lookups without API key management","Developers experimenting with x402 pay-per-call patterns","Low-volume stock data consumers who prefer usage-based pricing"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data","Users who need comprehensive historical stock data or full market coverage","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:03:43.224Z"},"updatedAt":"2026-04-23T20:01:27.385Z"}}