{"id":"f196893c-2b1c-4c2d-ad31-4efe3fc5f977","shortId":"aHDV9j","kind":"x402","title":"Market quote endpoint for PG, paid per-request via x402 on Base with USDC.","tagline":"Market quote endpoint for PG, paid per-request via x402 on Base with USDC.","description":"This endpoint at lowpaymentfee.com provides a market quote for the ticker \"PG\" (likely Procter & Gamble or a similar financial instrument). It is part of a broader suite of pay-per-call APIs offered by lowpaymentfee.com, which spans data analytics, AI/ML inference, finance/Web3, and utility services. All endpoints on the platform use the x402 payment protocol, settling in USDC on the Base network.\n\nThe specific endpoint `/api/v1/market/quote/PG` accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, requiring a maximum of 20,000 base units of USDC (0.02 USD) per request. The platform advertises no API keys, no rate limits, and instant access — you simply attach an x402 payment header to each call.\n\nDocumentation is extremely sparse. The landing page lists available endpoints and pricing, but the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what fields the quote response contains. The endpoint path suggests it returns a financial market quote for the symbol \"PG,\" but the exact response shape is unknown.","tags":[],"capabilities":["market-quote","financial-data","x402-payment","usdc-settlement","base-network","per-request-pricing","no-api-key"],"categories":["finance"],"synonyms":["stock quote API","market data API","PG quote","financial quote endpoint","x402 finance API","pay-per-call market data","USDC API","lowpaymentfee"],"warnings":["No documentation available — /docs, /pricing, and /README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema definition; request body format and response fields are unknown.","The meaning of 'PG' in the path is inferred (likely a stock ticker) but not confirmed by any documentation.","The platform lists many endpoint categories but it is unclear whether all are functional or placeholders."],"endpointUrl":"https://lowpaymentfee.com/api/v1/market/quote/PG","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/market/quote/PG","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC per call on Base). However, there is no OpenAPI schema, no request/response examples, and documentation pages are empty stubs. The actual data returned by the endpoint is entirely unknown, making this effectively a stub 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'/docs':162 '/pricing':163 '/readme':165 '0.02':122 '000':117 '20':116 'PG quote' 'USDC API' 'accept':98 'access':137 'advertis':128 'ai/ml':71 'analyt':70 'api':63,130 'attach':140 'avail':156 'base':13,28,92,118 'base-network' 'broader':56 'call':62,147 'challeng':106 'confirm':107 'connect':171 'contain':195 'content':177 'data':69 'descript':188 'document':148 'endpoint':3,18,32,78,96,109,157,197 'exact':212 'exampl':185 'extrem':150 'field':191 'finance/web3':73 'financi':49,203 'financial quote endpoint' 'financial-data' 'gambl':45 'header':144 'infer':72 'instant':136 'instrument':50 'json':103 'key':131 'land':153 'like':43 'limit':134 'list':155 'live':111 'lowpaymentfee' 'lowpaymentfee.com':34,66 'market':1,16,37,204 'market data API' 'market-quote' 'maximum':114 'network':93 'no-api-key' 'offer':64 'openapi':181 'page':154,166 'paid':6,21 'part':53 'path':198 'pay':60 'pay-per-cal':59 'pay-per-call market data' 'payment':85,143 'per':8,23,61,124 'per-request':7,22 'per-request-pricing' 'pg':5,20,42,209 'platform':81,127 'post':99 'price':159 'procter':44 'prompt':173 'protocol':86 'provid':35 'quot':2,17,38,193,205 'rate':133 'render':168 'request':9,24,100,125 'request/response':184 'requir':112 'respons':194,213 'return':102,201 'schema':182 'servic':76 'settl':87 'shape':214 'similar':48 'simpli':139 'span':68 'spars':151 'specif':95 'stock quote API' 'substant':176 'suggest':199 'suit':57 'symbol':208 'ticker':41 'unit':119 'unknown':216 'usd':123 'usdc':15,30,89,121 'usdc-settlement' 'use':82 'util':75 'via':10,25 'wallet':172 'x402':11,26,84,105,142 'x402 finance API' 'x402-payment'","prices":[{"id":"2e318400-5acb-4d9f-83e4-4b240e1e6af5","listingId":"f196893c-2b1c-4c2d-ad31-4efe3fc5f977","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/market/quote/PG","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:01.210Z"}],"sources":[{"listingId":"f196893c-2b1c-4c2d-ad31-4efe3fc5f977","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/market/quote/PG","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:01.210Z","lastSeenAt":"2026-04-23T20:01:24.653Z"}],"details":{"listingId":"f196893c-2b1c-4c2d-ad31-4efe3fc5f977","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/market/quote/PG \\\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 20,000 base units of USDC on Base network.","source_url":"https://lowpaymentfee.com/api/v1/market/quote/PG"},{"claim":"The platform advertises $0.02 per request, no API keys, no rate limits, and instant access on the Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","source_url":"https://lowpaymentfee.com/api/v1/market/quote/PG"},{"claim":"Documentation pages (/docs, /pricing, /README) render only a 'Connect wallet' prompt with no substantive content.","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching a real-time or recent market quote for the PG ticker symbol","Integrating pay-per-call financial data into an AI agent workflow","Programmatic access to market quotes without API key registration"],"bestFor":["Agents or bots that need on-demand market quotes without signup","Developers wanting to test x402 payment flows with a cheap endpoint","Low-volume, ad-hoc financial data retrieval"],"notFor":["High-frequency trading requiring sub-millisecond latency and guaranteed SLAs","Users who need detailed historical OHLCV data or full order book depth","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T17:18:46.484Z"},"updatedAt":"2026-04-23T20:01:24.653Z"}}