{"id":"66fdc080-0593-4a88-9d9d-63e1586560c7","shortId":"3YS3HP","kind":"x402","title":"Historical stock price data for KO (Coca-Cola) via x402 micropayment on Base, $0.02/request.","tagline":"Historical stock price data for KO (Coca-Cola) via x402 micropayment on Base, $0.02/request.","description":"This endpoint provides historical stock price data for the ticker 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 with no API keys, no rate limits, and no commitments.\n\nThe endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The x402 challenge advertises a maxAmountRequired of 20,000 base units, which at 6 decimals equals $0.02 USD per call. The payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a timeout of 300 seconds.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what parameters the endpoint accepts or what fields the response contains. The endpoint is confirmed live (returns 402 challenge), but the actual data format and query parameters must be discovered experimentally.","tags":[],"capabilities":["stock-history","historical-prices","x402-payment","usdc-base","per-request-pricing","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["stock price history","KO stock data","Coca-Cola historical prices","equity price API","stock market data","ticker history API","x402 stock API"],"warnings":["No documentation available — /docs, /api, /pricing, and /README pages all show only 'Connect wallet' with no content","No OpenAPI or schema describing request parameters or response fields","Response format and accepted query parameters must be discovered experimentally","Only the /stocks/KO/history path is referenced in this listing; the provider site lists many other endpoints but none are documented either"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/KO/history","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/KO/history","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 via a valid 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty beyond a wallet-connect prompt. The actual request parameters and response format are completely 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'/docs':146 '/pricing':147 '/readme':150 '/request':16,32 '0.02':15,31,76,124 '000':116 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':134 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':107 '20':115 '300':139 '402':192 '6':121 'Coca-Cola historical prices' 'KO stock data' 'accept':91,179 'actual':196 'address':133 'advertis':111 'ai/ml':66 'analyt':65 'api':58,81 'base':14,30,102,117 'broader':57 'call':127 'challeng':110,193 'coca':8,24,45 'coca-cola':7,23,44 'cola':9,25,46 'commit':88 'confirm':189 'connect':156 'contain':185 'content':162 'contract':106 'crypto':69 'data':4,20,39,64,197 'decim':122 'descript':173 'discov':204 'document':141 'endpoint':34,72,90,178,187 'equal':123 'equity price API' 'exampl':170 'experiment':205 'extrem':143 'field':182 'financ':68 'format':198 'histor':1,17,36 'historical-prices' 'infer':67 'json':96 'json-response' 'key':82 'ko':6,22,43 'limit':85 'live':190 'lowpaymentfee.com':61 'maxamountrequir':113 'micropay':12,28 'must':202 'network':103 'no-api-key' 'offer':63 'openapi':166 'page':151 'paramet':176,201 'part':54 'payment':50,97,129 'per':77,126 'per-request-pricing' 'platform':59 'post':92 'price':3,19,38,74 'prompt':158 'protocol':51 'provid':35 'queri':200 'rate':84 'render':153 'request':78,93 'request/response':169 'respons':184 'return':95,191 'schema':167 'second':140 'sent':131 'settl':99 'spars':144 'stock':2,18,37 'stock market data' 'stock price history' 'stock-history' 'ticker':42 'ticker history API' 'timeout':137 'unit':118 'usd':125 'usdc':105 'usdc-base' 'use':104 'util':71 'via':10,26 'wallet':157 'x402':11,27,49,109 'x402 stock API' 'x402-payment'","prices":[{"id":"c02b520e-aa42-479e-8a96-a0608a8bb34e","listingId":"66fdc080-0593-4a88-9d9d-63e1586560c7","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/KO/history","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:35:42.757Z"}],"sources":[{"listingId":"66fdc080-0593-4a88-9d9d-63e1586560c7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/KO/history","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:35:42.757Z","lastSeenAt":"2026-04-29T15:04:28.857Z"}],"details":{"listingId":"66fdc080-0593-4a88-9d9d-63e1586560c7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/KO/history \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/stocks/KO/history"},{"claim":"All endpoints 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":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/KO/history"}],"useCases":["Retrieving historical price data for Coca-Cola (KO) stock","Building financial dashboards that pull stock history on demand","Agent-driven portfolio analysis requiring per-call payment without API key management","Backtesting trading strategies with historical equity data"],"bestFor":["Agents needing keyless, pay-per-call access to stock history","Developers who want to avoid subscription-based financial data APIs","x402-compatible clients settling micropayments on Base with USDC"],"notFor":["High-frequency trading requiring sub-second latency and bulk data","Users who need comprehensive multi-ticker coverage (only KO path documented)","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:49.916Z"},"updatedAt":"2026-04-29T15:04:28.857Z"}}