{"id":"4bc06f5b-27e1-46d8-9700-b815625c607d","shortId":"upU8c6","kind":"x402","title":"Pay-per-call stock price lookup for META via x402 on Base (USDC).","tagline":"Pay-per-call stock price lookup for META via x402 on Base (USDC).","description":"This endpoint returns the current stock price for META (Facebook/Meta Platforms) via a simple POST request, settled through the x402 payment protocol on the Base network using USDC. Each call costs $0.02 (20,000 base units of USDC with 6 decimals). No API keys or accounts are required — payment is handled inline via the X-PAYMENT header.\n\nThe endpoint is part of a broader suite of APIs offered at lowpaymentfee.com, which spans data analytics, AI/ML inference, finance, crypto, and utility services — all priced uniformly at $0.02 per request. The stock price endpoint specifically lives under the finance category and returns JSON. The x402 challenge confirms the endpoint is live, discoverable, and accepts POST requests.\n\nDocumentation beyond the landing page is extremely thin — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no example request/response payloads, and no description of the response schema. The actual data source for stock prices is not disclosed.","tags":[],"capabilities":["stock-price-lookup","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["META stock price","stock quote API","equity price feed","real-time stock data","pay-per-request stock API","x402 stock endpoint","Facebook stock price"],"warnings":["No OpenAPI or schema documentation available — response format is entirely unknown","All doc/pricing/README pages render only 'Connect wallet' with no content","Data source for stock prices is undisclosed; accuracy and freshness are unverifiable","Only META ticker path was probed; unclear if other tickers are supported"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/META/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/META/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge confirms the endpoint is live and pricing is clear ($0.02/call in USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no example payloads, and all documentation pages beyond the landing page are empty. The actual data source and response format are 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'/docs':153 '/pricing':154 '/readme':157 '0.02':60,115 '000':62 '20':61 '6':68 'Facebook stock price' 'META stock price' 'accept':141 'account':74 'actual':188 'addit':168 'ai/ml':104 'analyt':103 'api':71,96 'base':13,27,53,63 'base-network' 'beyond':145 'broader':93 'call':4,18,58 'categori':127 'challeng':133 'confirm':134 'connect':163 'cost':59 'crypto':107 'current':33 'data':102,189 'decim':69 'descript':182 'detail':170 'disclos':196 'discover':139 'document':144 'endpoint':30,88,121,136 'equity price feed' 'exampl':177 'extrem':150 'facebook/meta':38 'financ':106,126 'handl':79 'header':86 'infer':105 'inlin':80 'json':130 'json-response' 'key':72 'land':147 'live':123,138 'lookup':7,21 'lowpaymentfee.com':99 'meta':9,23,37 'network':54 'no-api-key' 'offer':97 'openapi':174 'page':148,158 'part':90 'pay':2,16 'pay-per-cal':1,15 'pay-per-call' 'pay-per-request stock API' 'payload':179 'payment':49,77,85 'per':3,17,116 'platform':39 'post':43,142 'price':6,20,35,112,120,193 'prompt':165 'protocol':50 'real-time stock data' 'render':160 'request':44,117,143 'request/response':178 'requir':76 'respons':185 'return':31,129 'schema':186 'servic':110 'settl':45 'simpl':42 'sourc':190 'span':101 'spec':175 'specif':122 'stock':5,19,34,119,192 'stock quote API' 'stock-price-lookup' 'suit':94 'technic':169 'thin':151 'uniform':113 'unit':64 'usdc':14,28,56,66 'usdc-settlement' 'use':55 'util':109 'via':10,24,40,81 'wallet':164 'x':84 'x-payment':83 'x402':11,25,48,132 'x402 stock endpoint' 'x402-payment'","prices":[{"id":"35e8954f-2a05-4018-8bda-cd7af5aaae62","listingId":"4bc06f5b-27e1-46d8-9700-b815625c607d","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/META/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":"2026-04-18T18:33:59.294Z"}],"sources":[{"listingId":"4bc06f5b-27e1-46d8-9700-b815625c607d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/META/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:59.294Z","lastSeenAt":"2026-04-23T20:01:29.472Z"}],"details":{"listingId":"4bc06f5b-27e1-46d8-9700-b815625c607d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/META/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":"Endpoint returns HTTP 402 with x402 challenge confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/stocks/META/price"},{"claim":"Price is $0.02 per request (maxAmountRequired 20000 base units of USDC on Base)","source_url":"https://lowpaymentfee.com/api/v1/stocks/META/price"},{"claim":"Site advertises $0.02/request uniform pricing with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"Asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/META/price"}],"useCases":["Fetching the current META stock price from an AI agent workflow without needing API keys","Integrating a low-cost, pay-per-call stock price check into a trading bot","Programmatic portfolio monitoring that pays per request with USDC on Base"],"bestFor":["Agents or bots needing on-demand stock prices without subscription commitments","Developers who want to pay per call with crypto (USDC on Base)","Low-volume or sporadic stock price lookups where $0.02/call is cost-effective"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data","Users who need historical OHLCV data, charts, or multi-ticker batch queries","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:30:52.985Z"},"updatedAt":"2026-04-23T20:01:29.472Z"}}