{"id":"6b2c0abc-3a16-42ba-8220-36952b933ef6","shortId":"EMg9GU","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 endpoint at lowpaymentfee.com provides access to employee salary data via a simple POST request, paid per call using the x402 protocol. The specific resource `/api/v1/employees/20/salary` returns salary information for employee ID 20 in JSON format. Payment is settled in USDC on the Base network.\n\nThe x402 challenge indicates a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request. The broader lowpaymentfee.com platform advertises a uniform $0.02/request pricing across all its endpoints, with no API keys, no rate limits, and instant access. The site offers a wide catalog of endpoints spanning data analytics, AI/ML inference, finance, crypto, and utility services — all using the same x402 payment model on Base.\n\nDocumentation is extremely sparse. The docs, API, pricing, and README 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 salary endpoint actually returns. The endpoint is live (returns a proper 402 challenge), but the lack of documentation makes it difficult to know the expected request body or response structure without experimentation.","tags":[],"capabilities":["x402-payment","usdc-base","per-call-pricing","employee-salary-data","json-response","post-method"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 paid API","USDC micropayment API","lowpaymentfee","employee compensation data"],"warnings":["No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'","No OpenAPI or JSON schema describing request body or response fields","The nature of the 'employee salary' data is unclear — it may be synthetic/demo data","No information on data source, accuracy, or update frequency"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/20/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/20/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI schema, no request/response examples, and all documentation pages are empty stubs. The actual data returned by this endpoint is entirely 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'/request':101 '0.02':90,100 '000':81 '20':59,80 '402':192 '6':86 'USDC micropayment API' 'access':32,116 'across':103 'actual':183 'advertis':97 'ai/ml':128 'analyt':127 'api':109,150 'base':10,23,70,82,143 'bodi':207 'broader':94 'call':4,17,44 'catalog':122 'challeng':74,193 'connect':159 'content':165 'cost':78 'crypto':131 'data':7,20,36,126 'decim':87 'descript':176 'difficult':201 'doc':149 'document':144,198 'employe':5,18,34,57 'employee compensation data' 'employee salary API' 'employee-salary-data' 'endpoint':8,21,28,106,124,182,186 'equal':89 'exampl':173 'expect':205 'experiment':212 'extrem':146 'field':179 'financ':130 'format':62 'id':58 'indic':75 'infer':129 'inform':55 'instant':115 'json':61 'json-response' 'key':110 'know':203 'lack':196 'limit':113 'live':188 'lowpaymentfee' 'lowpaymentfee.com':30,95 'make':199 'maximum':77 'model':141 'network':71 'offer':119 'openapi':169 'page':154 'paid':42 'pay':2,15 'pay-per-cal':1,14 'payment':63,140 'payroll data endpoint' 'per':3,16,43,91 'per-call-pricing' 'platform':96 'post':40 'post-method' 'price':102,151 'prompt':161 'proper':191 'protocol':48 'provid':31 'rate':112 'readm':153 'render':156 'request':41,92,206 'request/response':172 'resourc':51 'respons':209 'return':53,184,189 'salari':6,19,35,54,181 'salary lookup' 'schema':170 'servic':134 'settl':65 'simpl':39 'site':118 'span':125 'spars':147 'specif':50 'structur':210 'uniform':99 'unit':83 'usdc':13,26,67,85 'usdc-base' 'use':45,136 'util':133 'via':11,24,37 'wallet':160 'wide':121 'without':211 'x402':12,25,47,73,139 'x402 paid API' 'x402-payment'","prices":[{"id":"9268680f-6a71-4faf-bfaa-167cc008b81a","listingId":"6b2c0abc-3a16-42ba-8220-36952b933ef6","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/20/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":"2026-04-21T18:32:16.112Z"}],"sources":[{"listingId":"6b2c0abc-3a16-42ba-8220-36952b933ef6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/20/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.112Z","lastSeenAt":"2026-04-24T16:32:47.073Z"}],"details":{"listingId":"6b2c0abc-3a16-42ba-8220-36952b933ef6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/20/salary \\\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":"Uniform pricing of $0.02 per request across all endpoints","source_url":"https://lowpaymentfee.com"},{"claim":"No API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units USDC (=$0.02) on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/20/salary"}],"useCases":["Retrieving salary information for a specific employee by ID","Integrating pay-per-use salary data into HR or payroll applications","Agent-driven lookups of employee compensation without API key management"],"bestFor":["Developers wanting zero-signup, pay-per-call access to salary data","AI agents that can settle x402 payments on Base","Prototyping integrations that need on-demand employee data"],"notFor":["Bulk salary data exports (no documented batch endpoint)","Users who need detailed API documentation or guaranteed schema stability","Applications requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.644Z"},"updatedAt":"2026-04-24T16:32:47.073Z"}}