{"id":"969003de-2a20-4d9d-ae54-f9d65e48923f","shortId":"ZbEfuT","kind":"x402","title":"Stock market quote for ticker MS via x402 micropayment on Base, $0.02 per request.","tagline":"Stock market quote for ticker MS via x402 micropayment on Base, $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides a market quote for the ticker symbol \"MS\" (Morgan Stanley) through the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which spans data & analytics, AI/ML inference, finance & Web3, and infrastructure utility categories — all priced at $0.02 per request settled in USDC on the Base network.\n\nThe endpoint accepts HTTP POST requests and returns JSON. Payment is handled inline via the x402 protocol: callers include an X-PAYMENT header with a signed USDC payment of up to 20,000 base units (i.e., $0.02, since USDC uses 6 decimals). No API keys or accounts are required; access is granted per-request upon valid payment. The platform advertises no rate limits and instant access.\n\nDocumentation beyond the landing page is extremely thin — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response format for a successful paid request is unknown and must be inferred from the endpoint path and the broader finance/market-data category.","tags":[],"capabilities":["stock-quote","market-data","x402-payment","usdc-micropayment","base-network","per-request-billing","no-api-key"],"categories":["finance","market-data"],"synonyms":["stock quote API","Morgan Stanley quote","MS stock price","market quote endpoint","x402 finance API","micropayment stock data","USDC pay-per-call"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README all show only 'Connect wallet'","No OpenAPI or JSON schema for request or response bodies","Actual response format and data fields for a paid request are unknown","The specific data source and freshness of the MS market quote are undocumented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/market/quote/MS","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/MS","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 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no examples, and all documentation pages return only a wallet-connect prompt. The actual data returned on successful payment is entirely 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'/docs':162 '/pricing':163 '/readme':166 '0.02':12,26,75,122 '000':118 '20':117 '402':202 '6':126 'MS stock price' 'Morgan Stanley quote' 'USDC pay-per-call' 'accept':87 'access':135,152 'account':132 'actual':206 'addit':177 'advertis':146 'ai/ml':64 'analyt':63 'api':129 'avail':193 'base':11,25,83,119 'base-network' 'beyond':154 'broader':226 'caller':102 'categori':71,228 'challeng':203 'confirm':197 'connect':172 'data':62 'decim':127 'detail':179 'document':153,188 'endpoint':30,54,86,195,222 'exampl':191 'extrem':159 'financ':66 'finance/market-data':227 'format':208 'grant':137 'handl':96 'header':108 'http':88 'i.e':121 'includ':103 'infer':65,219 'infrastructur':69 'inlin':97 'instant':151 'json':93 'key':130 'land':156 'limit':149 'live':198 'lowpaymentfee.com':32,58 'mani':53 'market':2,16,35 'market quote endpoint' 'market-data' 'micropay':9,23 'micropayment stock data' 'morgan':42 'ms':6,20,41 'must':217 'network':84 'no-api-key' 'offer':55 'one':51 'openapi':183 'page':157,167 'paid':212 'path':223 'payload':192 'payment':47,94,107,113,143 'per':13,27,76,139 'per-request':138 'per-request-billing' 'platform':59,145 'post':89 'price':73 'prompt':174 'proper':201 'protocol':48,101 'provid':33 'quot':3,17,36 'rate':148 'render':169 'request':14,28,77,90,140,213 'request/response':186 'requir':134 'respons':207 'return':92,199 'schema':187 'settl':78 'sign':111 'sinc':123 'span':61 'spec':184 'stanley':43 'stock':1,15 'stock quote API' 'stock-quote' 'success':211 'symbol':40 'technic':178 'thin':160 'ticker':5,19,39 'unit':120 'unknown':215 'upon':141 'usdc':80,112,124 'usdc-micropayment' 'use':125 'util':70 'valid':142 'via':7,21,98 'wallet':173 'web3':67 'x':106 'x-payment':105 'x402':8,22,46,100 'x402 finance API' 'x402-payment'","prices":[{"id":"21d0ac42-98de-46f5-9447-066d586f3d60","listingId":"969003de-2a20-4d9d-ae54-f9d65e48923f","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/MS","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:34:46.730Z"}],"sources":[{"listingId":"969003de-2a20-4d9d-ae54-f9d65e48923f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/market/quote/MS","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:46.730Z","lastSeenAt":"2026-04-22T09:00:33.130Z"}],"details":{"listingId":"969003de-2a20-4d9d-ae54-f9d65e48923f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/market/quote/MS \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-signed-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC on Base, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/market/quote/MS"},{"claim":"Platform lists $0.02 per request pricing 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/MS"}],"useCases":["Fetching a real-time or recent market quote for Morgan Stanley (MS) 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 on Base L2"],"bestFor":["Agents or apps needing occasional stock quotes without subscription commitments","Developers who want keyless, crypto-native access to market data","Low-volume or bursty use cases where $0.02/request is cost-effective"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data feeds","Users who need comprehensive historical market data or OHLCV candles","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T08:16:04.846Z"},"updatedAt":"2026-04-22T09:00:33.130Z"}}