{"id":"b5d2e566-fc3c-47bc-a747-234020690202","shortId":"jXCQUa","kind":"x402","title":"x402-gated employee salary endpoint on Base, pay-per-request with USDC.","tagline":"x402-gated employee salary endpoint on Base, pay-per-request with USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 154) behind an x402 paywall. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 \"exact\" scheme.\n\nThe cost per request is 20,000 base units of USDC. Since USDC uses 6 decimals, this equals $0.02 per call — consistent with the provider's site-wide pricing of $0.02/request. The provider advertises no API keys, no rate limits, and instant access; the only authentication is the x402 payment header.\n\nThe broader lowpaymentfee.com platform hosts a variety of x402-gated APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services, all at the same $0.02 price point. However, this specific endpoint (/api/v1/employees/154/salary) is not listed on the provider's landing page among the advertised API categories, which raises questions about whether it returns real production data or is a demo/test route. Documentation beyond the landing page is essentially empty (all sub-pages just show \"Connect wallet\"), so the actual response schema and data semantics are unknown.","tags":[],"capabilities":["x402-payment","usdc-base","employee-salary-data","pay-per-request","json-response"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","x402 salary lookup","USDC pay-per-call API","Base network API","lowpaymentfee employee"],"warnings":["This endpoint (/api/v1/employees/154/salary) is not listed among the provider's advertised API categories — it may be a test or demo route.","All documentation pages (docs, api, pricing, README) are effectively empty, showing only 'Connect wallet'.","No response schema or example response is available; the actual data format and content are unknown.","Endpoint is hardcoded to employee ID 154; no evidence of parameterized employee lookup."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/154/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/154/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 (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, this specific route is not listed among the provider's advertised APIs, there is no documentation, no OpenAPI schema, no example responses, and all doc/pricing/API pages are empty beyond 'Connect wallet'. The actual data returned is completely 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'/request':103 '0.02':89,102,150 '000':77 '0x8335':64 '154':42 '20':76 '2913':65 '6':85 'Base network API' 'USDC pay-per-call API' 'accept':48 'access':34,115 'actual':205 'advertis':106,169 'ai/ml':139 'among':167 'analyt':138 'api':108,135,170 'authent':118 'base':8,22,59,78 'behind':43 'beyond':188 'broader':125 'call':91 'categori':171 'connect':201 'consist':92 'contract':63 'cost':72 'data':38,137,142,181,209 'decim':86 'demo/test':185 'document':187 'employe':4,18,36,40 'employee salary API' 'employee-salary-data' 'empti':194 'endpoint':6,20,30,156 'equal':88 'essenti':193 'exact':69 'finance/web3':141 'gate':3,17,134 'header':123 'host':128 'howev':153 'id':41 'infer':140 'instant':114 'json':53 'json-response' 'key':109 'land':165,190 'limit':112 'list':160 'lowpaymentfee employee' 'lowpaymentfee.com':32,126 'network':60 'page':166,191,198 'pay':10,24 'pay-per-request':9,23 'payment':54,122 'payroll data endpoint' 'paywal':46 'per':11,25,73,90 'platform':127 'point':152 'post':49 'price':100,151 'product':180 'provid':33,95,105,163 'question':174 'rais':173 'rate':111 'real':179 'request':12,26,50,74 'respons':206 'return':52,178 'rout':186 'salari':5,19,37 'schema':207 'scheme':70 'semant':210 'servic':145 'settl':56 'show':200 'sinc':82 'site':98 'site-wid':97 'span':136 'specif':39,155 'sub':197 'sub-pag':196 'unit':79 'unknown':212 'usdc':14,28,62,81,83 'usdc-base' 'use':61,84 'util':144 'varieti':130 'via':66 'wallet':202 'whether':176 'wide':99 'x402':2,16,45,68,121,133 'x402 salary lookup' 'x402-gated':1,15,132 'x402-payment'","prices":[{"id":"231bb69f-9036-4f3a-acae-06219e215d63","listingId":"b5d2e566-fc3c-47bc-a747-234020690202","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/154/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":"2026-04-21T18:32:14.898Z"}],"sources":[{"listingId":"b5d2e566-fc3c-47bc-a747-234020690202","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/154/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.898Z","lastSeenAt":"2026-04-25T00:33:14.513Z"}],"details":{"listingId":"b5d2e566-fc3c-47bc-a747-234020690202","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/154/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":"The x402 challenge returns maxAmountRequired of 20000 in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/154/salary"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/154/salary"}],"useCases":["Retrieving salary information for a specific employee via a micropayment-gated API","Demonstrating x402 payment protocol integration with a simple data endpoint","Building payroll or HR dashboards that source data from pay-per-call APIs"],"bestFor":["Developers experimenting with x402 protocol payments on Base","Agents that need on-demand employee salary data without API key management","Prototyping micropayment-gated data access patterns"],"notFor":["Bulk payroll data retrieval across many employees (only one employee ID exposed)","Production HR systems requiring authenticated, auditable data sources","Users who need comprehensive API documentation before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.291Z"},"updatedAt":"2026-04-25T00:33:14.513Z"}}