{"id":"f29af347-8932-4be7-83f5-a7602ea7c138","shortId":"pVxazz","kind":"x402","title":"Stock market quote for KO (Coca-Cola) via x402 micropayment on Base, $0.02 per request.","tagline":"Stock market quote for KO (Coca-Cola) via x402 micropayment on Base, $0.02 per request.","description":"This endpoint returns a market quote for the ticker symbol KO (Coca-Cola) through the x402 payment protocol. It is part of a broader API platform at lowpaymentfee.com that offers data & analytics, AI/ML inference, finance, crypto, and utility endpoints — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/market/quote/KO` accepts POST requests and is gated by an x402 payment challenge. The maximum amount required is 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made via the `exact` scheme to the specified payTo address, with a 300-second timeout. No API keys or rate limits are advertised; access is instant once payment is included in the X-PAYMENT header.\n\nDocumentation beyond the landing page is extremely sparse — the /docs, /api, /pricing, 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 endpoint is confirmed live (returns 402 with a valid x402 challenge), but the actual data source, response format, and field definitions are unknown.","tags":[],"capabilities":["stock-quote","market-data","x402-payment","usdc-base","micropayment","per-request-pricing"],"categories":["finance","market-data"],"synonyms":["stock quote API","KO quote","Coca-Cola stock price","market data API","equity quote","ticker quote","x402 finance API"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All doc pages (/docs, /api, /pricing, /README) render only 'Connect wallet' with no content","The underlying data source for the KO market quote is not disclosed","No example responses are available to verify data quality or freshness"],"endpointUrl":"https://lowpaymentfee.com/api/v1/market/quote/KO","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/KO","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid x402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no example payloads, and all documentation pages are empty beyond a wallet-connect prompt. The actual data returned is entirely 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'/api/v1/market/quote/ko':90 '/docs':172 '/pricing':174 '/readme':176 '0.02':14,30,76,119 '000':108 '0x8335':113 '20':107 '2913':114 '300':139 '402':212 '6':123 'Coca-Cola stock price' 'KO quote' 'accept':91 'access':150 'actual':220 'addit':187 'address':136 'advertis':149 'ai/ml':66 'amount':104 'analyt':65 'api':58,143 'base':13,29,85,109,116 'beyond':164 'broader':57 'challeng':101,217 'coca':7,23,45 'coca-cola':6,22,44 'cola':8,24,46 'confirm':209 'connect':182 'crypto':69 'data':64,221 'decim':124 'definit':227 'descript':201 'detail':189 'document':163 'endpoint':34,72,89,207 'equal':118 'equity quote' 'exact':130 'exampl':196 'extrem':169 'field':226 'financ':68 'format':224 'gate':96 'given':120 'header':162 'includ':156 'infer':67 'instant':152 'key':144 'ko':5,21,43 'land':166 'limit':147 'live':210 'lowpaymentfee.com':61 'made':127 'market':2,18,37 'market data API' 'market-data' 'maximum':103 'micropay':11,27 'micropayment' 'network':86 'offer':63 'openapi':193 'page':167,177 'part':54 'payload':198 'payment':50,100,125,154,161 'payto':135 'per':15,31,77 'per-request-pricing' 'platform':59 'post':92 'price':74 'prompt':184 'protocol':51 'quot':3,19,38 'rate':146 'render':179 'request':16,32,78,93 'request/response':197 'requir':105 'respons':204,223 'return':35,211 'schema':205 'scheme':131 'second':140 'settl':80 'sourc':222 'spars':170 'spec':194 'specif':88 'specifi':134 'stock':1,17 'stock quote API' 'stock-quote' 'symbol':42 'technic':188 'ticker':41 'ticker quote' 'timeout':141 'unit':110 'unknown':229 'usdc':82,112,121 'usdc-base' 'util':71 'valid':215 'via':9,25,128 'wallet':183 'x':160 'x-payment':159 'x402':10,26,49,99,216 'x402 finance API' 'x402-payment'","prices":[{"id":"bc414bec-660c-4105-94db-5dc974aefd32","listingId":"f29af347-8932-4be7-83f5-a7602ea7c138","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/KO","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:37:05.912Z"}],"sources":[{"listingId":"f29af347-8932-4be7-83f5-a7602ea7c138","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/market/quote/KO","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:37:05.912Z","lastSeenAt":"2026-04-22T07:00:32.504Z"}],"details":{"listingId":"f29af347-8932-4be7-83f5-a7602ea7c138","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/market/quote/KO \\\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 402 with x402 challenge requiring 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/market/quote/KO"},{"claim":"All endpoints priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/market/quote/KO"}],"useCases":["Fetching a real-time or recent market quote for Coca-Cola (KO) stock","Integrating pay-per-call stock data into an AI agent workflow without API key management","Building trading bots or dashboards that pay per data request via crypto micropayments"],"bestFor":["Agents or apps that need on-demand stock quotes without subscription commitments","Developers who prefer crypto-native micropayment access over traditional API keys","Low-volume or bursty use cases where $0.02/request is cost-effective"],"notFor":["High-frequency trading requiring sub-cent per-request costs or bulk pricing","Users who need comprehensive market data (historical, options, fundamentals) — only a single-ticker quote endpoint is documented","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:45.934Z"},"updatedAt":"2026-04-22T07:00:32.504Z"}}