{"id":"592537a9-8e81-4bb1-8d61-238c3467bf7e","shortId":"QTFa3v","kind":"x402","title":"Pay-per-call employee salary lookup API on Base via x402 (USDC).","tagline":"Pay-per-call employee salary lookup API 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/7/salary` returns salary information for employee ID 7 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 provider's landing page confirms a flat $0.02/request pricing model across all their endpoints, with no API keys, no rate limits, and instant access. The endpoint accepts POST requests and is discoverable.\n\nThis endpoint is part of a broader platform (lowpaymentfee.com) that offers multiple API categories including data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all at the same $0.02/request price point. However, the specific endpoint being listed here appears to be a demo or sample resource (employee salary lookup) that is not prominently featured on the provider's main landing page, which raises questions about whether it serves real production data or is a demonstration endpoint. Documentation pages beyond the landing page returned only a \"Connect wallet\" prompt with no substantive content.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","salary-lookup","per-call-pricing","json-response"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 paid API","USDC micropayment API","employee compensation data","pay-per-call API"],"warnings":["No documentation available — docs, API, pricing, and README pages all returned only 'Connect wallet' with no content.","The /api/v1/employees/7/salary endpoint is not listed among the provider's advertised APIs on the landing page, suggesting it may be a demo or undocumented resource.","No request body schema or response schema is documented; callers must discover the format experimentally.","Employee salary data may be synthetic/demo data — no indication this serves real payroll information."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/7/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/7/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 OpenAPI schema, no request/response examples, no documentation beyond a landing page, and the specific employee salary endpoint is not listed among the provider's advertised APIs, making its purpose and data format 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'/request':102,155 '0.02':90,101,154 '000':81 '20':80 '6':86 '7':59 'USDC micropayment API' 'accept':121 'access':32,118 'across':105 'ai/ml':144 'analyt':143 'api':8,21,111,139 'appear':165 'base':10,23,70,82 'base-network' 'beyond':205 'broader':133 'call':4,17,44 'categori':140 'challeng':74 'confirm':98 'connect':212 'content':218 'cost':78 'data':36,142,197 'decim':87 'demo':169 'demonstr':201 'discover':126 'document':203 'employe':5,18,34,57,173 'employee compensation data' 'employee salary API' 'employee-data' 'endpoint':28,108,120,128,161,202 'equal':89 'featur':180 'finance/web3':146 'flat':100 'format':62 'howev':158 'id':58 'includ':141 'indic':75 'infer':145 'inform':55 'infrastructur':148 'instant':117 'json':61 'json-response' 'key':112 'land':96,186,207 'limit':115 'list':163 'lookup':7,20,175 'lowpaymentfee.com':30,135 'main':185 'maximum':77 'model':104 'multipl':138 'network':71 'offer':137 'page':97,187,204,208 'paid':42 'part':130 'pay':2,15 'pay-per-cal':1,14 'pay-per-call API' 'payment':63 'payroll data endpoint' 'per':3,16,43,91 'per-call-pricing' 'platform':134 'point':157 'post':40,122 'price':103,156 'product':196 'promin':179 'prompt':214 'protocol':48 'provid':31,94,183 'question':190 'rais':189 'rate':114 'real':195 'request':41,92,123 'resourc':51,172 'return':53,209 'salari':6,19,35,54,174 'salary lookup' 'salary-lookup' 'sampl':171 'serv':194 'settl':65 'simpl':39 'specif':50,160 'substant':217 'unit':83 'usdc':13,26,67,85 'usdc-settlement' 'use':45 'util':149 'via':11,24,37 'wallet':213 'whether':192 'x402':12,25,47,73 'x402 paid API' 'x402-payment'","prices":[{"id":"cd706000-e210-4557-be40-912346e77e2c","listingId":"592537a9-8e81-4bb1-8d61-238c3467bf7e","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/7/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":"2026-04-21T18:32:17.441Z"}],"sources":[{"listingId":"592537a9-8e81-4bb1-8d61-238c3467bf7e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/7/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.441Z","lastSeenAt":"2026-04-24T08:04:07.543Z"}],"details":{"listingId":"592537a9-8e81-4bb1-8d61-238c3467bf7e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/7/salary \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge returns maxAmountRequired of 20000 base units in USDC (asset 0x8335…) on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/7/salary"},{"claim":"The provider advertises $0.02/request flat pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 with 6 decimals","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee salary information programmatically via a paid API call","Demonstrating x402 payment protocol integration for per-request billing","Building payroll or HR dashboards that pull salary data on demand"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand employee salary data without API key management","Low-volume, pay-as-you-go data retrieval"],"notFor":["Bulk payroll data exports requiring thousands of records at once","Use cases requiring authenticated, role-based access control over sensitive HR data","Free or subscription-based API access patterns"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.611Z"},"updatedAt":"2026-04-24T08:04:07.543Z"}}