{"id":"2249d37d-15cf-4d61-a8f6-250c63337fbe","shortId":"XHT7kd","kind":"x402","title":"Historical stock price data for XOM via x402 micropayment on Base, $0.02/request.","tagline":"Historical stock price data for XOM via x402 micropayment on Base, $0.02/request.","description":"This endpoint provides historical stock price data for ExxonMobil (ticker: XOM) through the x402 payment protocol. It is part of a broader API platform hosted at lowpaymentfee.com that offers finance, analytics, AI, and utility endpoints, all gated behind per-request micropayments settled in USDC on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Each call costs a maximum of $0.02 (20,000 base units of USDC with 6 decimals) paid via the x402 X-PAYMENT header. There are no API keys, no rate limits, and no subscription commitments — you pay per request using on-chain USDC. The x402 challenge was confirmed live, returning a proper 402 response with payment parameters including the USDC contract address on Base (0x8335…2913) and a 300-second payment timeout.\n\nThe platform also hosts similar stock history endpoints (the URL pattern suggests `/api/v1/stocks/{ticker}/history`) as well as endpoints for analytics, AI inference, crypto quotes, exchange rates, geocoding, and more — all at the same $0.02 price point. Documentation beyond the landing page is sparse; the /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no additional technical detail. The exact request body schema and response format for the stock history endpoint are not documented in any crawled material, so callers should expect to experiment or inspect responses to determine the data shape.","tags":[],"capabilities":["stock-history","historical-prices","x402-payment","usdc-base","per-request-micropayment","json-api","no-api-key"],"categories":["finance","data"],"synonyms":["stock price history","XOM historical data","ExxonMobil stock data","equity price API","stock market data","x402 stock API","micropayment stock data"],"warnings":["No request or response schema documented — callers must discover the expected POST body and response format experimentally.","Documentation pages (/docs, /pricing, /api, /README) are all empty beyond a wallet-connect prompt.","Only the XOM ticker endpoint was probed; availability of other tickers is unconfirmed.","The platform lists many endpoint categories (AI, analytics, crypto, utilities) but none were individually verified in this probe."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/XOM/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/XOM/history","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base). However, there is no documented request/response schema, no OpenAPI spec, and all documentation pages return only a wallet-connect prompt. The actual data format must be inferred or discovered by calling the 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'/api/v1/stocks':170 '/docs':203 '/history':172 '/pricing':204 '/readme':207 '/request':13,26 '0.02':12,25,90,192 '000':92 '0x8335':150 '20':91 '2913':151 '300':154 '402':138 '6':98 'ExxonMobil stock data' 'XOM historical data' 'accept':78 'addit':218 'address':147 'ai':58,179 'also':160 'analyt':57,178 'api':49,111 'base':11,24,74,93,149 'behind':64 'beyond':196 'bodi':224 'broader':48 'call':85 'caller':242 'chain':127 'challeng':131 'commit':119 'confirm':133 'connect':213 'contract':146 'cost':86 'crawl':239 'crypto':181 'data':4,17,33,253 'decim':99 'detail':220 'determin':251 'document':195,236 'endpoint':28,61,77,165,176,233 'equity price API' 'exact':222 'exchang':183 'expect':244 'experi':246 'exxonmobil':35 'financ':56 'format':228 'gate':63 'geocod':185 'header':107 'histor':1,14,30 'histori':164,232 'historical-prices' 'host':51,161 'includ':143 'infer':180 'inspect':248 'json':83 'json-api' 'key':112 'land':198 'limit':115 'live':134 'lowpaymentfee.com':53 'materi':240 'maximum':88 'micropay':9,22,68 'micropayment stock data' 'network':75 'no-api-key' 'offer':55 'on-chain':125 'page':199,208 'paid':100 'paramet':142 'part':45 'pattern':168 'pay':121 'payment':41,106,141,156 'per':66,122 'per-request':65 'per-request-micropayment' 'platform':50,159 'point':194 'post':79 'price':3,16,32,193 'prompt':215 'proper':137 'protocol':42 'provid':29 'quot':182 'rate':114,184 'request':67,80,123,223 'respons':139,227,249 'return':82,135,210 'schema':225 'second':155 'settl':69 'shape':254 'similar':162 'spars':201 'stock':2,15,31,163,231 'stock market data' 'stock price history' 'stock-history' 'subscript':118 'suggest':169 'technic':219 'ticker':36,171 'timeout':157 'unit':94 'url':167 'usdc':71,96,128,145 'usdc-base' 'use':124 'util':60 'via':7,20,101 'wallet':214 'well':174 'x':105 'x-payment':104 'x402':8,21,40,103,130 'x402 stock API' 'x402-payment' 'xom':6,19,37","prices":[{"id":"7bad95ee-fd41-4332-8008-6f458f9b3de2","listingId":"2249d37d-15cf-4d61-a8f6-250c63337fbe","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/XOM/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":"2026-04-18T18:33:48.997Z"}],"sources":[{"listingId":"2249d37d-15cf-4d61-a8f6-250c63337fbe","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/XOM/history","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:48.997Z","lastSeenAt":"2026-04-23T20:01:28.337Z"}],"details":{"listingId":"2249d37d-15cf-4d61-a8f6-250c63337fbe","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/XOM/history \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{}'","exampleRequest":{},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/stocks/XOM/history"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/stocks/XOM/history"},{"claim":"Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) show only a Connect wallet prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving historical price data for ExxonMobil (XOM) for backtesting or analysis","Building financial dashboards that pull stock history on demand without API key management","Agent-driven portfolio analysis where per-call payment avoids subscription overhead","Integrating stock data into automated trading or research pipelines"],"bestFor":["Developers who want pay-per-use stock data without subscriptions","AI agents that need on-demand historical equity prices with crypto micropayments","Prototyping financial applications where low friction API access matters"],"notFor":["High-frequency trading requiring sub-second latency and bulk data (no documented bulk endpoints)","Users who need comprehensive multi-ticker coverage (only XOM endpoint confirmed live)","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:17:03.698Z"},"updatedAt":"2026-04-23T20:01:28.337Z"}}