{"id":"5aae8acf-56c5-440f-b138-cb2eaa22f4c9","shortId":"rqbfua","kind":"x402","title":"Pay-per-call stock data for ADP via x402 on Base, settled in USDC at $0.02/request.","tagline":"Pay-per-call stock data for ADP via x402 on Base, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides stock data for ADP (Automatic Data Processing) through an x402-protocol pay-per-call API. Each request costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The payment is handled inline via the x402 protocol: callers attach an X-PAYMENT header with a signed USDC payment to the payTo address, and the server returns the data in JSON.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers dozens of endpoints across categories including data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all at the same $0.02/request price point. The specific /api/v1/stocks/ADP route is a POST endpoint that presumably returns stock-related information for the ADP ticker, though the exact response schema is not documented.\n\nNote that documentation is extremely sparse. The docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no response schema, and no example payloads available. The endpoint is confirmed live (returns a valid 402 challenge), but the actual data content and response format must be discovered empirically.","tags":[],"capabilities":["stock-data","x402-payment","usdc-settlement","base-network","pay-per-call","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["stock price API","ADP stock data","equity data endpoint","x402 stock API","micropayment stock data","USDC pay-per-call finance","Base network stock API"],"warnings":["No OpenAPI or response schema available — actual response format is unknown","Documentation pages (/docs, /pricing, /api, /README) all render only 'Connect wallet' with no technical content","The specific stock data fields, update frequency, and data source for the ADP endpoint are undocumented","Request body schema (if any) is not specified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/stocks/ADP","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","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 x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no example payloads, and the docs pages are empty stubs. The actual data returned is unknown, making this effectively a stub 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'/request':18,36,144 '0.02':17,35,62,143 '402':219 'ADP stock data' 'Base network stock API' 'USDC pay-per-call finance' 'across':126 'actual':223 'address':103 'adp':8,26,45,164 'ai':131 'analyt':130 'api':58,70,184 'attach':89 'automat':46 'avail':210 'base':12,30,67 'base-network' 'broader':118 'call':4,22,57 'caller':88 'categori':127 'challeng':220 'confirm':214 'connect':190 'content':225 'cost':61 'data':6,24,43,47,109,129,224 'detail':197 'discov':231 'doc':181 'document':173,176 'dozen':123 'empir':232 'endpoint':38,113,125,154,212 'equity data endpoint' 'exact':168 'exampl':208 'extrem':178 'financ':134 'format':228 'handl':82 'header':94 'includ':128 'inform':161 'infrastructur':137 'inlin':83 'json':111 'json-response' 'key':71 'learn':133 'limit':74 'live':215 'lowpaymentfee.com':40,120 'machin':132 'micropayment stock data' 'must':229 'network':68 'no-api-key' 'note':174 'offer':122 'openapi':201 'page':185 'part':115 'pay':2,20,55 'pay-per-cal':1,19,54 'pay-per-call' 'payload':209 'payment':80,93,99 'payto':102 'per':3,21,56 'platform':119 'point':146 'post':153 'presum':156 'price':145,182 'process':48 'prompt':192 'protocol':53,87 'provid':41 'rate':73 'relat':160 'render':187 'request':60 'requir':78 'respons':169,204,227 'return':107,157,216 'rout':150 'schema':170,205 'server':106 'settl':13,31 'sign':97 'spars':179 'spec':202 'specif':148 'stock':5,23,42,159 'stock price API' 'stock-data' 'stock-rel':158 'subscript':77 'technic':196 'though':166 'ticker':165 'usdc':15,33,64,98 'usdc-settlement' 'util':138 'valid':218 'via':9,27,84 'wallet':191 'web3':135 'x':92 'x-payment':91 'x402':10,28,52,86 'x402 stock API' 'x402-payment' 'x402-protocol':51","prices":[{"id":"f85f3e6f-ba1d-4daf-806e-8c2593ddcf38","listingId":"5aae8acf-56c5-440f-b138-cb2eaa22f4c9","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","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:36:52.886Z"}],"sources":[{"listingId":"5aae8acf-56c5-440f-b138-cb2eaa22f4c9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/stocks/ADP","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:52.886Z","lastSeenAt":"2026-04-29T11:33:33.542Z"}],"details":{"listingId":"5aae8acf-56c5-440f-b138-cb2eaa22f4c9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/stocks/ADP \\\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 a valid x402 402 challenge with maxAmountRequired of 20000 base units USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/stocks/ADP"},{"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 address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/stocks/ADP"}],"useCases":["Retrieving real-time or recent stock data for ADP without managing API keys or subscriptions","Building autonomous trading agents that pay per data request using USDC on Base","Integrating stock lookups into crypto-native applications with inline micropayments"],"bestFor":["Agents or apps that need occasional stock data without subscription overhead","Crypto-native workflows that can pay in USDC on Base","Developers prototyping financial tools who want instant access without signup"],"notFor":["High-frequency trading requiring bulk data feeds at lower per-unit cost","Users who need comprehensive historical stock data across many tickers in a single call","Anyone without access to USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:46.532Z"},"updatedAt":"2026-04-29T11:33:33.542Z"}}