{"id":"1009fc76-b036-4771-8323-f3982015cf08","shortId":"6hCMPg","kind":"x402","title":"Pay-per-call stock price lookup for ADP via x402 on Base (USDC).","tagline":"Pay-per-call stock price lookup for ADP via x402 on Base (USDC).","description":"This endpoint returns stock price data for ADP (Automatic Data Processing) via the x402 payment protocol. It is hosted on lowpaymentfee.com, a platform offering a broad catalog of pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services. All endpoints use the x402 protocol on the Base network, settling payments in USDC.\n\nThe specific endpoint at `/api/v1/stocks/ADP/price` accepts POST requests and returns JSON. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The platform advertises no API keys, no rate limits, and instant access — you simply attach an x402 payment header to each call. The payment is sent to a specified address on Base and settles in USDC (contract 0x8335…2913).\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all rendered only a \"Connect wallet\" prompt with no additional technical content. There is no OpenAPI spec, no response schema, and no example responses available. The endpoint URL pattern (`/stocks/{ticker}/price`) suggests it may support other stock tickers beyond ADP, but this is unconfirmed. The endpoint is live and returning a valid 402 challenge.","tags":[],"capabilities":["stock-price-lookup","x402-payment","usdc-settlement","base-network","per-request-billing","no-api-key"],"categories":["finance"],"synonyms":["stock price API","ADP stock price","equity price feed","stock quote API","pay-per-call stock data","x402 stock API"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet'","No response schema or example response provided; output format is unknown","No OpenAPI or machine-readable spec found","It is unclear whether this endpoint supports tickers other than ADP","Stock/financial data endpoints may be subject to data licensing and redistribution restrictions"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/ADP/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/ADP/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 ($0.02/request in USDC on Base). However, there is no OpenAPI spec, no response schema, no example responses, and all documentation pages are empty beyond a wallet-connect prompt. The actual data returned is entirely 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'/price':200 '/stocks':198 '0.02':115 '000':106 '0x8335':155 '20':105 '2913':156 '402':222 '6':111 'ADP stock price' 'accept':91 'access':129 'addit':178 'address':147 'adp':9,23,36,209 'advertis':120 'ai/ml':65 'analyt':64 'api':61,122,164 'attach':132 'automat':37 'avail':193 'base':13,27,80,107,149 'base-network' 'beyond':208 'broad':54 'call':4,18,139 'catalog':55 'challeng':99,223 'connect':173 'content':180 'contract':154 'cost':103 'crawl':162 'crypto':68 'data':34,38,63 'decim':112 'doc':163 'document':157 'endpoint':30,73,88,195,215 'equal':114 'equity price feed' 'exampl':191 'extrem':159 'financ':67 'header':136 'host':47 'indic':100 'infer':66 'instant':128 'json':96 'key':123 'limit':126 'live':217 'lookup':7,21 'lowpaymentfee.com':49 'maximum':102 'may':203 'network':81 'no-api-key' 'offer':52 'openapi':184 'page':168 'pattern':197 'pay':2,16,58 'pay-per-cal':1,15 'pay-per-call stock data' 'pay-per-request':57 'payment':43,83,135,141 'per':3,17,59,116 'per-request-billing' 'platform':51,119 'post':92 'price':6,20,33,165 'process':39 'prompt':175 'protocol':44,77 'rate':125 'readm':167 'render':170 'request':60,93,117 'respons':187,192 'return':31,95,219 'schema':188 'sent':143 'servic':71 'settl':82,151 'simpli':131 'span':62 'spars':160 'spec':185 'specif':87 'specifi':146 'stock':5,19,32,206 'stock price API' 'stock quote API' 'stock-price-lookup' 'suggest':201 'support':204 'technic':179 'ticker':199,207 'unconfirm':213 'unit':108 'url':196 'usdc':14,28,85,110,153 'usdc-settlement' 'use':74 'util':70 'valid':221 'via':10,24,40 'wallet':174 'x402':11,25,42,76,98,134 'x402 stock API' 'x402-payment'","prices":[{"id":"d49e160e-c45d-4003-8aaa-c04afcc8f7bb","listingId":"1009fc76-b036-4771-8323-f3982015cf08","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/ADP/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":"2026-04-18T18:33:04.860Z"}],"sources":[{"listingId":"1009fc76-b036-4771-8323-f3982015cf08","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/ADP/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:04.860Z","lastSeenAt":"2026-04-23T20:01:24.885Z"}],"details":{"listingId":"1009fc76-b036-4771-8323-f3982015cf08","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/ADP/price \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/stocks/ADP/price"},{"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/stocks/ADP/price"}],"useCases":["Retrieving the current stock price of ADP in an automated trading or analytics pipeline","Agent-driven portfolio monitoring that pays per data request without subscription","Integrating real-time equity pricing into a Web3 application using on-chain micropayments"],"bestFor":["AI agents needing on-demand stock price data without API key management","Low-volume or sporadic stock price lookups where per-call pricing is economical","Web3-native applications that prefer on-chain USDC settlement over traditional billing"],"notFor":["High-frequency trading requiring sub-millisecond latency and bulk data feeds","Users who need historical OHLCV data, charts, or comprehensive market analytics","Anyone without a Base-network USDC wallet or x402-compatible client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T19:04:31.743Z"},"updatedAt":"2026-04-23T20:01:24.885Z"}}