{"id":"5bb74099-d76a-4762-8304-763211e77357","shortId":"mgVSxy","kind":"x402","title":"Pay-per-call stock market quote for IBM via x402 on Base (USDC), $0.02/request.","tagline":"Pay-per-call stock market quote for IBM via x402 on Base (USDC), $0.02/request.","description":"This x402 endpoint at lowpaymentfee.com provides a market quote for the ticker IBM. It is part of a broader platform offering data & analytics, AI/ML, finance, and infrastructure APIs, all priced at $0.02 per request and settled in USDC on the Base network. No API keys or rate limits are required — callers simply attach an x402 payment header with each request.\n\nThe specific endpoint `/api/v1/market/quote/IBM` accepts POST requests and returns JSON. The x402 challenge confirms the endpoint is live, requesting a maximum of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.\n\nDocumentation on the site is extremely thin — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional content. There is no OpenAPI spec, no example request/response payloads, and no description of the response schema for market quotes. The endpoint path suggests it returns a price quote for IBM stock, but the exact fields returned are unknown.","tags":[],"capabilities":["stock-quote","market-data","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key"],"categories":["finance","data"],"synonyms":["IBM stock quote","market quote API","stock price API","equity quote","x402 finance API","pay-per-call market data","USDC stock data"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no content","The endpoint path suggests IBM stock data but there is no confirmation of data source, freshness, or fields returned","The broader platform lists many endpoints but none have documented schemas"],"endpointUrl":"https://lowpaymentfee.com/api/v1/market/quote/IBM","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/IBM","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI spec, no documented request/response schema, and no example payloads. The docs pages are empty stubs. The actual data returned by the market quote endpoint is entirely 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'/request':16,32 '0.02':15,31,64,127 '000':116 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':138 '0x8335':121 '20':115 '2913':122 '300':141 '6':131 'IBM stock quote' 'USDC stock data' 'accept':97 'addit':167 'address':137 'ai/ml':56 'analyt':55 'api':60,76,153 'attach':85 'base':13,29,73,117,124 'base-network' 'broader':51 'call':4,20 'caller':83 'challeng':105 'confirm':106 'connect':162 'content':168 'data':54 'decim':132 'descript':180 'doc':152 'document':144 'endpoint':35,95,108,189 'equal':126 'equity quote' 'exact':202 'exampl':175 'extrem':149 'field':203 'financ':57 'given':128 'header':89 'ibm':9,25,45,198 'infrastructur':59 'json':102 'key':77 'limit':80 'live':110 'lowpaymentfee.com':37 'market':6,22,40,186 'market quote API' 'market-data' 'maximum':113 'network':74 'no-api-key' 'offer':53 'openapi':172 'page':157 'part':48 'path':190 'pay':2,18 'pay-per-cal':1,17 'pay-per-call' 'pay-per-call market data' 'payload':177 'payment':88,133 'per':3,19,65 'platform':52 'post':98 'price':62,154,195 'prompt':164 'provid':38 'quot':7,23,41,187,196 'rate':79 'readm':156 'render':159 'request':66,92,99,111 'request/response':176 'requir':82 'respons':183 'return':101,193,204 'schema':184 'second':142 'sent':135 'settl':68 'simpli':84 'site':147 'spec':173 'specif':94 'stock':5,21,199 'stock price API' 'stock-quote' 'suggest':191 'thin':150 'ticker':44 'timeout':143 'unit':118 'unknown':206 'usdc':14,30,70,120,129 'usdc-settlement' 'via':10,26 'wallet':163 'x402':11,27,34,87,104 'x402 finance API' 'x402-payment'","prices":[{"id":"685b06ef-17cd-48c5-a465-24857c943120","listingId":"5bb74099-d76a-4762-8304-763211e77357","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/IBM","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:32:38.163Z"}],"sources":[{"listingId":"5bb74099-d76a-4762-8304-763211e77357","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/market/quote/IBM","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:38.163Z","lastSeenAt":"2026-04-23T20:01:22.933Z"}],"details":{"listingId":"5bb74099-d76a-4762-8304-763211e77357","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/market/quote/IBM \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -H \"Content-Type: application/json\"","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 requesting 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/market/quote/IBM"},{"claim":"Platform pricing is $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 on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/market/quote/IBM"}],"useCases":["Fetching a real-time or recent market quote for IBM stock","Integrating IBM price data into an automated trading or analytics pipeline","Agent-driven portfolio monitoring that pays per data request"],"bestFor":["Agents needing on-demand IBM stock quotes without API key management","Low-volume, pay-as-you-go market data consumers","Crypto-native applications settling micro-payments on Base"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data","Users who need comprehensive historical OHLCV data across many tickers","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T19:45:27.815Z"},"updatedAt":"2026-04-23T20:01:22.933Z"}}