{"id":"b5d50177-7185-4b25-b0aa-fa68aa7b708d","shortId":"PUBjaC","kind":"x402","title":"Market quote for ADP via x402 micropayment on Base, $0.02 per request in USDC.","tagline":"Market quote for ADP via x402 micropayment on Base, $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides a market quote for the ticker symbol ADP. It is part of a broader platform offering finance, analytics, AI, and utility APIs, all gated behind the x402 payment protocol. Each call costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The caller simply attaches an X-PAYMENT header with a valid x402 payment proof to receive the response.\n\nThe specific endpoint `/api/v1/market/quote/ADP` appears to fall under the Finance & Web3 category of the platform, which also includes price feeds, exchange rates, token quotes, and gas estimates. The x402 challenge confirms the endpoint is live, accepts POST requests, and settles payments to a specified address using USDC (contract 0x8335…2913 on Base). The maximum amount required per call is 20,000 base units of USDC (6 decimals), which equals $0.02.\n\nDocumentation on the site is extremely thin — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what fields the ADP quote response contains. The endpoint is confirmed live via the 402 challenge, but the actual data format and coverage remain unknown.","tags":[],"capabilities":["market-quote","x402-payment","usdc-settlement","base-network","per-request-pricing","no-api-key","financial-data"],"categories":["finance","market-data"],"synonyms":["ADP stock quote","ADP market data","ADP price quote","x402 finance API","micropayment market quote","pay-per-call stock data","lowpaymentfee ADP"],"warnings":["No documentation available — docs, pricing, and API pages all show only 'Connect wallet' with no content.","No request or response schema provided; the data format of the ADP quote is unknown.","The endpoint path suggests a single-ticker quote (ADP) but it is unclear whether this is a stock, fund, or other instrument.","No OpenAPI spec or ai-plugin manifest found."],"endpointUrl":"https://lowpaymentfee.com/api/v1/market/quote/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/market/quote/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 via a valid x402 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, and the docs pages are empty stubs. The actual content of the ADP quote response is entirely unknown, making this effectively a stub 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'0.02':10,24,66,171 '000':162 '0x8335':150 '20':161 '2913':151 '402':222 '6':167 'ADP market data' 'ADP price quote' 'ADP stock quote' 'accept':137 'actual':226 'address':146 'adp':4,18,41,211 'ai':52 'also':118 'amount':156 'analyt':51 'api':55,74,183 'appear':106 'attach':86 'base':9,23,71,153,163 'base-network' 'behind':58 'broader':47 'call':64,159 'caller':84 'categori':113 'challeng':131,223 'confirm':132,218 'connect':189 'contain':214 'content':195 'contract':149 'cost':65 'coverag':230 'data':227 'decim':168 'descript':206 'doc':180 'document':172 'endpoint':30,104,134,216 'equal':170 'estim':128 'exampl':203 'exchang':122 'extrem':177 'fall':108 'feed':121 'field':209 'financ':50,111 'financial-data' 'format':228 'gas':127 'gate':57 'header':91 'includ':119 'key':75 'limit':78 'live':136,219 'lowpaymentfee ADP' 'lowpaymentfee.com':32 'market':1,15,35 'market-quote' 'maximum':155 'micropay':7,21 'micropayment market quote' 'network':72 'no-api-key' 'offer':49 'openapi':199 'page':184 'part':44 'pay-per-call stock data' 'payment':61,90,96,142 'per':11,25,158 'per-request-pricing' 'platform':48,116 'post':138 'price':120,181 'prompt':191 'proof':97 'protocol':62 'provid':33 'quot':2,16,36,125,212 'rate':77,123 'receiv':99 'remain':231 'render':186 'request':12,26,139 'request/response':202 'requir':82,157 'respons':101,213 'schema':200 'settl':141 'simpli':85 'site':175 'specif':103 'specifi':145 'subscript':81 'symbol':40 'thin':178 'ticker':39 'token':124 'unit':164 'unknown':232 'usdc':14,28,68,148,166 'usdc-settlement' 'use':147 'util':54 'valid':94 'via':5,19,220 'wallet':190 'web3':112 'x':89 'x-payment':88 'x402':6,20,60,95,130 'x402 finance API' 'x402-payment'","prices":[{"id":"0787e71f-15bf-4030-8196-a42fe68ecc38","listingId":"b5d50177-7185-4b25-b0aa-fa68aa7b708d","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/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":"2026-04-18T18:32:39.365Z"}],"sources":[{"listingId":"b5d50177-7185-4b25-b0aa-fa68aa7b708d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/market/quote/ADP","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:32:39.365Z","lastSeenAt":"2026-04-22T11:30:44.732Z"}],"details":{"listingId":"b5d50177-7185-4b25-b0aa-fa68aa7b708d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/market/quote/ADP \\\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 a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/market/quote/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 contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/market/quote/ADP"}],"useCases":["Fetching a real-time or near-real-time market quote for ADP (Automatic Data Processing)","Agent-driven portfolio monitoring that pays per query with no subscription","Integrating low-cost financial data lookups into automated trading or alerting workflows"],"bestFor":["AI agents needing on-demand market quotes without API key management","Developers prototyping financial apps who want pay-per-use pricing","x402-compatible clients on the Base network looking for cheap market data"],"notFor":["Bulk historical market data downloads (no batch endpoint documented)","Users who need detailed documentation or guaranteed SLA before integrating","Non-crypto users who cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:59.069Z"},"updatedAt":"2026-04-22T11:30:44.732Z"}}