{"id":"d2cfb441-2960-482f-bd5c-9c99739cc979","shortId":"nqBdJJ","kind":"x402","title":"Pay-per-call employee salary data endpoint on Base via x402, settled in USDC.","tagline":"Pay-per-call employee salary data endpoint on Base via x402, settled in USDC.","description":"This x402-enabled endpoint at lowpaymentfee.com returns salary information for a specific employee (ID 70) via a POST request. Payment is settled on the Base network using USDC (USD Coin) at a cost of $0.02 per request. The endpoint requires no API keys, no rate limits, and no upfront commitments — callers simply attach an x402 payment header with each request.\n\nThe provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities, all priced at $0.02 per request. However, this specific listing covers only the `/api/v1/employees/70/salary` endpoint. The x402 challenge confirms the endpoint is live, accepting POST requests, and returning application/json responses.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all rendered only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the salary response contains or what input the POST body expects. The endpoint path suggests it returns salary data for employee ID 70, but the actual schema and semantics are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","pay-per-call","no-api-key"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 paid API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request body and response format are entirely unknown","All documentation pages (docs, API, pricing, README) render only a 'Connect wallet' prompt with no technical content","Endpoint is scoped to a single employee ID (70); unclear if other employee IDs are supported or if this is a demo","The purpose and legitimacy of 'employee salary data' sold publicly for $0.02 is unclear — may be synthetic/demo data"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/70/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/70/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response examples, and no meaningful documentation beyond a wallet-connect prompt. The endpoint path is narrow (single employee ID), and the actual data returned is 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'0.02':66,118 '70':46,205 'Base network API' 'USDC micropayment API' 'accept':138 'actual':208 'addit':166 'ai/ml':108 'analyt':107 'api':73,104,152 'application/json':143 'attach':84 'base':10,25,56 'base-network' 'bodi':192 'broader':97 'call':4,19,103 'caller':82 'catalog':98 'challeng':132 'coin':61 'commit':81 'confirm':133 'connect':161 'contain':186 'cost':64 'cover':125 'crawl':150 'data':7,22,106,111,201 'descript':179 'detail':168 'doc':151 'document':145 'employe':5,20,44,203 'employee salary API' 'employee-salary-data' 'enabl':34 'endpoint':8,23,35,70,129,135,195 'exampl':176 'expect':193 'extrem':147 'field':182 'finance/web3':110 'header':88 'host':95 'howev':121 'id':45,204 'infer':109 'inform':40 'infrastructur':113 'input':189 'key':74 'limit':77 'list':124 'live':137 'lowpaymentfee' 'lowpaymentfee.com':37,94 'network':57 'no-api-key' 'openapi':172 'page':156 'path':196 'pay':2,17,101 'pay-per-cal':1,16,100 'pay-per-call' 'payment':51,87 'payroll data endpoint' 'per':3,18,67,102,119 'post':49,139,191 'price':116,153 'prompt':163 'provid':93 'rate':76 'readm':155 'render':158 'request':50,68,91,120,140 'request/response':175 'requir':71 'respons':144,185 'return':38,142,199 'salari':6,21,39,184,200 'salary lookup' 'schema':173,209 'semant':211 'settl':13,28,53 'simpli':83 'span':105 'spars':148 'specif':43,123 'suggest':197 'technic':167 'unknown':213 'upfront':80 'usd':60 'usdc':15,30,59 'usdc-settlement' 'use':58 'util':114 'via':11,26,47 'wallet':162 'x402':12,27,33,86,131 'x402 paid API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"67600e7a-c943-4cfc-a637-70f220ebbe31","listingId":"d2cfb441-2960-482f-bd5c-9c99739cc979","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/70/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":"2026-04-21T18:32:17.378Z"}],"sources":[{"listingId":"d2cfb441-2960-482f-bd5c-9c99739cc979","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/70/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.378Z","lastSeenAt":"2026-04-23T04:02:24.881Z"}],"details":{"listingId":"d2cfb441-2960-482f-bd5c-9c99739cc979","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/70/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":"Endpoint returns HTTP 402 with x402 challenge, confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/employees/70/salary"},{"claim":"Payment is 20000 base units of USDC (6 decimals = $0.02) on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/70/salary"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/70/salary"}],"useCases":["Retrieving salary information for a specific employee record","Demonstrating x402 payment protocol integration with a simple data endpoint","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 across many employees (only one employee ID exposed)","Use cases requiring detailed documentation or guaranteed SLAs","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.795Z"},"updatedAt":"2026-04-23T04:02:24.881Z"}}