{"id":"9df061da-5c15-4226-93cd-72b595e757c6","shortId":"rExaLZ","kind":"x402","title":"Get MCO stock price data via x402 micropayment on Base for $0.02 per request.","tagline":"Get MCO stock price data via x402 micropayment on Base for $0.02 per request.","description":"This endpoint returns the current stock price for MCO (Moody's Corporation) via a pay-per-call x402 micropayment model. It is hosted on lowpaymentfee.com, a platform that offers a broad catalog of data, AI, finance, and utility APIs all priced at $0.02 per request, settled in USDC on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is handled through the x402 protocol: callers receive a 402 challenge containing payment details (payTo address, asset, amount), settle the USDC payment on-chain, and include the payment proof in the X-PAYMENT header to access the data. The max amount required is 20,000 base units of USDC (6 decimals), which equals $0.02. No API keys, subscriptions, or rate limits are advertised — access is purely pay-per-request.\n\nThe broader lowpaymentfee.com platform lists endpoints across categories including analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). Documentation pages exist but appear to require a wallet connection to view, so detailed request/response schemas for this specific endpoint are not available from the crawl.","tags":[],"capabilities":["stock-price-lookup","x402-micropayment","usdc-payment","base-network","pay-per-request","json-response"],"categories":["finance","data"],"synonyms":["stock price API","MCO stock price","Moody's stock price","equity price lookup","x402 stock data","micropayment stock API","pay-per-call finance API"],"warnings":["No request or response schema available — the exact fields returned are unknown.","Documentation pages require wallet connection and contain no visible content.","The source and reliability of the stock price data (MCO) is not documented.","This endpoint may be part of a generic template site; the quality and accuracy of the underlying data is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/MCO/price","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/MCO/price","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 402 challenge with clear pricing. However, there is no OpenAPI schema, no documented request/response format, and the docs pages all require wallet connection with no visible content. The actual data returned (fields, format, source of stock data) is entirely 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'000':137 '20':136 '402':100 '6':142 'MCO stock price' 'Moody''s stock price' 'accept':84 'access':128,156 'across':169 'address':106 'advertis':155 'ai':64 'ai/ml':173 'amount':108,133 'analysi':175 'analyt':172 'api':68,148 'appear':199 'asset':107 'avail':217 'base':10,24,80,138 'base-network' 'broad':60 'broader':164 'call':46 'caller':97 'catalog':61 'categori':170 'chain':115 'challeng':101 'classif':177 'connect':204 'contain':102 'convers':193 'corpor':40 'crawl':220 'current':33 'data':5,19,63,130 'decim':143 'detail':104,208 'document':195 'embed':178 'endpoint':30,83,168,214 'equal':145 'equity price lookup' 'estim':187 'exchang':182 'exist':197 'feed':181 'financ':65,179 'gas':186 'generat':194 'geocod':191 'get':1,15 'handl':92 'header':126 'host':52 'includ':117,171 'infrastructur':189 'json':89 'json-response' 'key':149 'limit':153 'list':167 'lowpaymentfee.com':54,165 'max':132 'mco':2,16,37 'micropay':8,22,48 'micropayment stock API' 'model':49 'moodi':38 'network':81 'offer':58 'on-chain':113 'page':196 'pay':44,160 'pay-per-cal':43 'pay-per-call finance API' 'pay-per-request':159 'payment':90,103,112,119,125 'payto':105 'per':13,27,45,73,161 'platform':56,166 'post':85 'price':4,18,35,70,180 'proof':120 'protocol':96 'pure':158 'quot':185 'rate':152,183 'receiv':98 'request':14,28,74,86,162 'request/response':209 'requir':134,201 'return':31,88 'schema':210 'sentiment':174 'settl':75,109 'specif':213 'stock':3,17,34 'stock price API' 'stock-price-lookup' 'subscript':150 'summar':176 'token':184 'unit':139 'usdc':77,111,141 'usdc-payment' 'util':67,190 'valid':192 'via':6,20,41 'view':206 'wallet':203 'x':124 'x-payment':123 'x402':7,21,47,95 'x402 stock data' 'x402-micropayment'","prices":[{"id":"b38c6851-7102-4cb9-b3bd-006676f50b81","listingId":"9df061da-5c15-4226-93cd-72b595e757c6","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/MCO/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:11.504Z"}],"sources":[{"listingId":"9df061da-5c15-4226-93cd-72b595e757c6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/MCO/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:11.504Z","lastSeenAt":"2026-04-23T20:01:25.441Z"}],"details":{"listingId":"9df061da-5c15-4226-93cd-72b595e757c6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/MCO/price\n# Returns 402 with x402 challenge. Include X-PAYMENT header with valid payment proof to receive stock price data.","exampleRequest":null,"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/MCO/price"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.","source_url":"https://lowpaymentfee.com/api/v1/stocks/MCO/price"}],"useCases":["Fetching the current stock price for MCO (Moody's Corporation) in an automated trading or analytics pipeline","Integrating real-time equity price data into an AI agent workflow without needing API key management","Pay-per-use stock price lookups for low-volume or sporadic financial data needs"],"bestFor":["Agents or bots that need on-demand stock price data without subscription overhead","Developers building x402-native applications on Base","Low-volume financial data consumers who prefer pay-per-request pricing"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data feeds","Users who need historical stock price time series or OHLCV data (not evidenced here)","Users without a Base-compatible wallet or USDC holdings"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T19:17:48.405Z"},"updatedAt":"2026-04-23T20:01:25.441Z"}}