{"id":"ff1ea568-3b31-40d5-a8ec-bc1769424866","shortId":"LhWH4f","kind":"x402","title":"Real-time stock price data for WMT (Walmart) via x402 micropayment on Base, $0.02 per request.","tagline":"Real-time stock price data for WMT (Walmart) via x402 micropayment on Base, $0.02 per request.","description":"This endpoint returns the current stock price for Walmart (ticker: WMT) as a pay-per-call API secured by the x402 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 priced at $0.02 per request and settled in USDC on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled inline via the X-PAYMENT header using the x402 \"exact\" scheme: the caller signs a USDC payment of up to 20,000 base units (i.e., $0.02, since USDC uses 6 decimals) to the provider's address on Base. No API keys, subscriptions, or rate limits are advertised — access is gated purely by micropayment.\n\nDocumentation beyond the landing page is extremely thin. The /docs, /pricing, /api, and /README pages all resolve to a minimal \"Connect wallet\" prompt with no additional technical detail, example requests, or response schemas. The exact shape of the response (fields, data source, update frequency) is not documented and must be inferred from the endpoint path and the provider's \"Finance & Web3 — Market data and financial calculations\" category label.","tags":[],"capabilities":["stock-price","real-time-market-data","x402-micropayment","usdc-payment","base-network","pay-per-call","no-api-key"],"categories":["finance","market-data"],"synonyms":["WMT stock price","Walmart stock quote","equity price API","stock market data","real-time stock price","x402 finance API","micropayment stock data"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all return only a 'Connect wallet' prompt with no technical content.","Response schema is completely undocumented; the fields and data source for the stock price are unknown.","No example requests or responses are provided by the provider.","Stock/equity data may be subject to exchange licensing and redistribution restrictions; the provider does not disclose its data source or licensing status."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/WMT/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/WMT/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response format, no example payloads, and all documentation pages are empty stubs. The actual data source and response structure are entirely 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'/docs':169 '/pricing':170 '/readme':173 '0.02':15,32,84,132 '000':128 '20':127 '6':136 'WMT stock price' 'Walmart stock quote' 'accept':97 'access':154 'addit':185 'address':142 'advertis':153 'ai/ml':74 'analyt':73 'api':52,66,146 'base':14,31,93,129,144 'base-network' 'beyond':161 'broader':63 'calcul':225 'call':51 'caller':119 'categori':226 'connect':180 'crypto':77 'current':39 'data':6,23,72,200,222 'decim':137 'detail':187 'document':160,206 'endpoint':36,96,213 'equity price API' 'exact':116,194 'exampl':188 'extrem':166 'field':199 'financ':76,219 'financi':224 'frequenc':203 'gate':156 'handl':105 'header':112 'host':67 'i.e':131 'infer':75,210 'inlin':106 'json':102 'key':147 'label':227 'land':163 'limit':151 'lowpaymentfee.com':69 'market':221 'micropay':12,29,159 'micropayment stock data' 'minim':179 'must':208 'network':94 'no-api-key' 'page':164,174 'part':60 'path':214 'pay':49 'pay-per-cal':48 'pay-per-call' 'payment':103,111,123 'per':16,33,50,85 'post':98 'price':5,22,41,82 'prompt':182 'protocol':57 'provid':140,217 'pure':157 'rate':150 'real':2,19 'real-tim':1,18 'real-time stock price' 'real-time-market-data' 'request':17,34,86,99,189 'resolv':176 'respons':191,198 'return':37,101 'schema':192 'scheme':117 'secur':53 'servic':80 'settl':88 'shape':195 'sign':120 'sinc':133 'sourc':201 'span':71 'stock':4,21,40 'stock market data' 'stock-price' 'subscript':148 'suit':64 'technic':186 'thin':167 'ticker':44 'time':3,20 'unit':130 'updat':202 'usdc':90,122,134 'usdc-payment' 'use':113,135 'util':79 'via':10,27,107 'wallet':181 'walmart':9,26,43 'web3':220 'wmt':8,25,45 'x':110 'x-payment':109 'x402':11,28,56,115 'x402 finance API' 'x402-micropayment'","prices":[{"id":"c70a092f-d107-4ffc-af63-8e5212a0d5b7","listingId":"ff1ea568-3b31-40d5-a8ec-bc1769424866","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/WMT/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":"2026-04-18T18:32:55.834Z"}],"sources":[{"listingId":"ff1ea568-3b31-40d5-a8ec-bc1769424866","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/WMT/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:55.834Z","lastSeenAt":"2026-04-22T11:30:46.059Z"}],"details":{"listingId":"ff1ea568-3b31-40d5-a8ec-bc1769424866","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/WMT/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\"","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 up to 20,000 base units of USDC on Base (asset 0x8335…)","source_url":"https://lowpaymentfee.com/api/v1/stocks/WMT/price"},{"claim":"All APIs on the platform 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 categorizes finance endpoints under 'Finance & Web3 — Market data and financial calculations'","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) contain only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching the latest Walmart (WMT) stock price for portfolio dashboards or trading bots","Integrating real-time equity prices into AI agent workflows without managing API keys","Pay-per-use stock data retrieval for low-volume or sporadic financial analysis"],"bestFor":["Developers who want key-less, pay-per-call stock price access","AI agents that can settle x402 micropayments on Base","Low-volume consumers who prefer no subscription commitments"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data","Users who need historical OHLCV candle data or full order-book depth","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T19:18:50.559Z"},"updatedAt":"2026-04-22T11:30:46.059Z"}}