{"id":"7e445ddc-800e-4a16-af76-f3d0e53e7014","shortId":"tHqspR","kind":"x402","title":"Real-time stock price data for ADI (Analog Devices) via x402 micropayment on Base.","tagline":"Real-time stock price data for ADI (Analog Devices) via x402 micropayment on Base.","description":"This x402 endpoint at lowpaymentfee.com returns the current stock price for ADI (Analog Devices, Inc.) in exchange for a per-request USDC micropayment on the Base network. The endpoint accepts POST requests and responds with JSON. Payment is handled via the x402 protocol — no API keys, accounts, or rate limits are required. The caller simply includes an X-PAYMENT header with a valid payment proof.\n\nThe cost per request is $0.02 (20,000 base units of USDC, which has 6 decimals). The payment is settled on-chain to the provider's address on Base. The endpoint is part of a broader suite of APIs offered by lowpaymentfee.com spanning data analytics, AI/ML inference, finance, crypto, and utility services, all priced at $0.02 per call.\n\nDocumentation beyond the landing page is sparse — the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec or example request/response schema available, so the exact request body format and response shape for this stock-price endpoint must be inferred or discovered experimentally.","tags":[],"capabilities":["stock-price-lookup","real-time-market-data","x402-micropayment","usdc-payment","base-network","per-request-billing","no-api-key"],"categories":["finance","data"],"synonyms":["stock price API","ADI stock quote","Analog Devices price","equity price feed","market data endpoint","x402 stock data","micropayment stock API"],"warnings":["No OpenAPI or schema documentation available — request body format and response shape are unknown","All documentation pages (/docs, /pricing, /README) render only 'Connect wallet' with no technical content","The specific stock-price endpoint is not listed on the landing page; only generic finance/prices is shown, so this ADI-specific route may be undocumented","No example responses available to verify data quality or freshness"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/ADI/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/ADI/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge with clear pricing and asset info. However, there is no OpenAPI spec, no documented request/response schema, no example payloads, and the docs pages are empty beyond a wallet-connect prompt. The exact response format is 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'/pricing':166 '/readme':168 '0.02':103,154 '000':105 '20':104 '6':112 'ADI stock quote' 'Analog Devices price' 'accept':61 'account':78 'addit':179 'address':125 'adi':8,23,42 'ai/ml':144 'analog':9,24,43 'analyt':143 'api':76,137 'avail':191 'base':15,30,57,106,127 'base-network' 'beyond':158 'bodi':196 'broader':134 'call':156 'caller':85 'chain':120 'connect':174 'cost':99 'crypto':147 'current':38 'data':6,21,142 'decim':113 'detail':181 'devic':10,25,44 'discov':211 'document':157 'endpoint':33,60,129,206 'equity price feed' 'exact':194 'exampl':188 'exchang':47 'experiment':212 'financ':146 'format':197 'handl':70 'header':92 'inc':45 'includ':87 'infer':145,209 'json':67 'key':77 'land':160 'limit':81 'lowpaymentfee.com':35,140 'market data endpoint' 'micropay':13,28,54 'micropayment stock API' 'must':207 'network':58 'no-api-key' 'offer':138 'on-chain':118 'openapi':185 'page':161,169 'part':131 'payment':68,91,96,115 'per':51,100,155 'per-request':50 'per-request-billing' 'post':62 'price':5,20,40,152,205 'prompt':176 'proof':97 'protocol':74 'provid':123 'rate':80 'real':2,17 'real-tim':1,16 'real-time-market-data' 'render':171 'request':52,63,101,195 'request/response':189 'requir':83 'respond':65 'respons':199 'return':36 'schema':190 'servic':150 'settl':117 'shape':200 'simpli':86 'span':141 'spars':163 'spec':186 'stock':4,19,39,204 'stock price API' 'stock-pric':203 'stock-price-lookup' 'suit':135 'technic':180 'time':3,18 'unit':107 'usdc':53,109 'usdc-payment' 'util':149 'valid':95 'via':11,26,71 'wallet':175 'x':90 'x-payment':89 'x402':12,27,32,73 'x402 stock data' 'x402-micropayment'","prices":[{"id":"c5b3addc-b729-4b55-a500-88961f21f50f","listingId":"7e445ddc-800e-4a16-af76-f3d0e53e7014","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/ADI/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":"2026-04-18T18:34:07.749Z"}],"sources":[{"listingId":"7e445ddc-800e-4a16-af76-f3d0e53e7014","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/ADI/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:34:07.749Z","lastSeenAt":"2026-04-23T20:01:30.238Z"}],"details":{"listingId":"7e445ddc-800e-4a16-af76-f3d0e53e7014","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/ADI/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 402 with an x402 challenge requiring USDC payment on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/ADI/price"},{"claim":"maxAmountRequired is 20000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/stocks/ADI/price"},{"claim":"The provider advertises $0.02 per request with no API keys, no rate limits, and instant access on Base","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /README) contain only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Fetching the current stock price of Analog Devices (ADI) for trading bots or portfolio dashboards","Integrating real-time equity pricing into an AI agent's decision-making pipeline","Building pay-per-call financial data aggregators without managing API keys or subscriptions"],"bestFor":["AI agents that need on-demand stock prices without account setup","Developers prototyping financial apps who want instant, keyless API access","Crypto-native workflows that can pay per request with USDC on Base"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data feeds","Users who need historical stock price data or OHLCV candles (not indicated as supported)","Teams without a Base-compatible wallet or USDC holdings"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T09:30:58.248Z"},"updatedAt":"2026-04-23T20:01:30.238Z"}}