{"id":"c14ae32e-b555-434a-8f28-466525573af3","shortId":"dmhGRg","kind":"x402","title":"Pay-per-call employee salary data endpoint on Base via x402 (USDC).","tagline":"Pay-per-call employee salary data endpoint on Base via x402 (USDC).","description":"This x402-enabled endpoint at lowpaymentfee.com returns employee salary data for a specific employee (ID 148) via a POST request. It is part of a broader platform offering dozens of pay-per-call API endpoints across data analytics, AI/ML, finance, and utility categories, all settled on the Base network using USDC.\n\nThe endpoint charges a maximum of $0.02 per request (20,000 base units of USDC with 6 decimals). Payment is handled inline via the x402 protocol: callers receive a 402 challenge with payment details, submit an X-PAYMENT header with a signed USDC transaction on Base, and receive the JSON response upon settlement. No API keys, subscriptions, or rate limits are advertised — access is purely pay-per-use.\n\nNote that the specific endpoint path (`/api/v1/employees/148/salary`) is not listed on the provider's landing page among the advertised API categories (Data & Analytics, AI & ML, Finance & Web3, Infrastructure). It may be an unlisted or demo endpoint. The docs, pricing, and README pages returned only a \"Connect wallet\" prompt with no additional documentation, so the exact response schema and input parameters are unknown beyond what the x402 challenge reveals (POST method, application/json output).","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","x402 salary lookup","USDC pay-per-call API","lowpaymentfee API","Base network API","micropayment API"],"warnings":["Endpoint path /api/v1/employees/148/salary is not listed among the provider's advertised APIs — may be a demo or unlisted route.","No documentation, input schema, or response schema available; behavior must be discovered empirically.","All docs/pricing/README pages returned only 'Connect wallet' with no substantive content.","Unknown whether the salary data is real, synthetic, or demo data."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/148/salary","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/employees/148/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02/request in USDC on Base). However, there is no documentation, no OpenAPI schema, no example request/response, and the specific employee-salary endpoint is not listed among the provider's advertised APIs. The docs pages are empty beyond a wallet-connect 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'0.02':86 '000':90 '148':43 '20':89 '402':109 '6':96 'Base network API' 'USDC pay-per-call API' 'access':143 'across':64 'addit':200 'advertis':142,168 'ai':173 'ai/ml':67 'among':166 'analyt':66,172 'api':62,135,169 'application/json':220 'base':10,23,76,91,126 'base-network' 'beyond':212 'broader':53 'call':4,17,61 'caller':106 'categori':71,170 'challeng':110,216 'charg':82 'connect':195 'data':7,20,37,65,171 'decim':97 'demo':184 'detail':113 'doc':187 'document':201 'dozen':56 'employe':5,18,35,41 'employee salary API' 'employee-salary-data' 'enabl':30 'endpoint':8,21,31,63,81,154,185 'exact':204 'financ':68,175 'handl':100 'header':119 'id':42 'infrastructur':177 'inlin':101 'input':208 'json':130 'key':136 'land':164 'limit':140 'list':159 'lowpaymentfee API' 'lowpaymentfee.com':33 'maximum':84 'may':179 'method':219 'micropayment API' 'ml':174 'network':77 'no-api-key' 'note':150 'offer':55 'output':221 'page':165,191 'paramet':209 'part':50 'path':155 'pay':2,15,59,147 'pay-per-cal':1,14,58 'pay-per-call' 'pay-per-us':146 'payment':98,112,118 'payroll data endpoint' 'per':3,16,60,87,148 'platform':54 'post':46,218 'price':188 'prompt':197 'protocol':105 'provid':162 'pure':145 'rate':139 'readm':190 'receiv':107,128 'request':47,88 'respons':131,205 'return':34,192 'reveal':217 'salari':6,19,36 'schema':206 'settl':73 'settlement':133 'sign':122 'specif':40,153 'submit':114 'subscript':137 'transact':124 'unit':92 'unknown':211 'unlist':182 'upon':132 'usdc':13,26,79,94,123 'usdc-settlement' 'use':78,149 'util':70 'via':11,24,44,102 'wallet':196 'web3':176 'x':117 'x-payment':116 'x402':12,25,29,104,215 'x402 salary lookup' 'x402-enabled':28 'x402-payment'","prices":[{"id":"d8440880-2ce1-4f87-bf18-4d79b9f35ddd","listingId":"c14ae32e-b555-434a-8f28-466525573af3","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/employees/148/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:14.360Z"}],"sources":[{"listingId":"c14ae32e-b555-434a-8f28-466525573af3","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/148/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.360Z","lastSeenAt":"2026-04-25T04:33:23.734Z"}],"details":{"listingId":"c14ae32e-b555-434a-8f28-466525573af3","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/148/salary \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <signed-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 20000 in USDC (asset 0x8335…) on Base network.","source_url":"https://lowpaymentfee.com/api/v1/employees/148/salary"},{"claim":"The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The provider lists API categories including Data & Analytics, AI & ML, Finance & Web3, and Infrastructure, but does not list an employees/salary endpoint.","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving salary information for a specific employee on demand","Integrating pay-per-call payroll data into agent workflows","Demonstrating x402 payment protocol with a simple data endpoint"],"bestFor":["Agents or apps needing on-demand employee salary data without subscription overhead","Developers experimenting with x402 micropayment-gated APIs","Scenarios requiring no-signup, no-API-key access to data endpoints"],"notFor":["Bulk payroll data exports (single-employee, single-call model)","Users without a Base-network USDC wallet","Applications requiring detailed API documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.04Z"},"updatedAt":"2026-04-25T04:33:23.734Z"}}