{"id":"0b5a6f34-a761-4d4c-b9ef-115b69f3472a","shortId":"3DQGg4","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 employee salary information for a specific employee (ID 14) 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 provides instant access — callers simply attach an x402 payment header to authorize each call.\n\nThe hosting site lowpaymentfee.com offers a broad catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced uniformly at $0.02 per request. This particular endpoint sits under what appears to be a sample or demo HR/employee data resource. The x402 challenge was successfully captured (HTTP 402 with valid accepts block), confirming the endpoint is live.\n\nNote that the endpoint's actual response schema and the nature of the salary data returned are not documented. There is no OpenAPI spec, no detailed docs, and the crawled documentation pages returned only a \"Connect wallet\" stub. The endpoint path suggests it returns salary information for employee ID 14, but the exact fields and format are unknown. Treat this as a lightly documented endpoint suitable for experimentation or integration testing with x402 payment flows.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","salary-lookup","pay-per-call","no-api-key"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","HR data API","x402 paid API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or response schema available — actual response format is unknown","Documentation pages (/docs, /pricing, /api, /README) all returned only 'Connect wallet' with no useful content","Endpoint is scoped to a single employee ID (14); unclear if other IDs are supported","The nature and source of the salary data is undocumented — could be sample/demo data"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/14/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/14/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 USDC on Base), but there is no OpenAPI spec, no response schema, no documentation beyond a wallet-connect stub, and the endpoint path (employees/14/salary) is narrow and undocumented. The actual data returned is 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'14':47,206 '402':147 'Base network API' 'HR data API' 'USDC micropayment API' 'accept':150 'access':82 'actual':162 'ai/ml':111 'analyt':110 'api':74,107 'appear':130 'attach':85 'author':91 'base':10,25,57 'base-network' 'block':151 'broad':100 'call':4,19,93,106 'caller':83 'captur':145 'catalog':101 'challeng':142 'coin':62 'confirm':152 'connect':192 'cost':65 'crawl':186 'data':7,22,109,138,171 'demo':136 'detail':182 'doc':183 'document':175,187,220 'employe':5,20,39,45,204 'employee salary API' 'employee-data' 'enabl':34 'endpoint':8,23,35,71,126,154,160,196,221 'exact':209 'experiment':224 'field':210 'finance/web3':113 'flow':231 'format':212 'header':89 'host':95 'hr/employee':137 'http':146 'id':46,205 'infer':112 'inform':41,202 'infrastructur':115 'instant':81 'integr':226 'key':75 'light':219 'limit':78 'live':156 'lowpaymentfee' 'lowpaymentfee.com':37,97 'natur':167 'network':58 'no-api-key' 'note':157 'offer':98 'openapi':179 'page':188 'particular':125 'path':197 'pay':2,17,104 'pay-per-cal':1,16,103 'pay-per-call' 'payment':52,88,230 'payroll data endpoint' 'per':3,18,68,105,122 'post':50 'price':118 'provid':80 'rate':77 'request':51,69,123 'requir':72 'resourc':139 'respons':163 'return':38,172,189,200 'salari':6,21,40,170,201 'salary-lookup' 'sampl':134 'schema':164 'settl':13,28,54 'simpli':84 'sit':127 'site':96 'span':108 'spec':180 'specif':44 'stub':194 'success':144 'suggest':198 'suitabl':222 'test':227 'treat':215 'uniform':119 'unknown':214 'usd':61 'usdc':15,30,60 'usdc-settlement' 'use':59 'util':116 'valid':149 'via':11,26,48 'wallet':193 'x402':12,27,33,87,141,229 'x402 paid API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"92ad6869-38ba-4fa3-a244-7f1de36c9d97","listingId":"0b5a6f34-a761-4d4c-b9ef-115b69f3472a","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/14/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":"2026-04-21T18:32:14.298Z"}],"sources":[{"listingId":"0b5a6f34-a761-4d4c-b9ef-115b69f3472a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/14/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.298Z","lastSeenAt":"2026-04-23T09:02:01.940Z"}],"details":{"listingId":"0b5a6f34-a761-4d4c-b9ef-115b69f3472a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/14/salary \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/employees/14/salary","method":"POST","headers":{"X-PAYMENT":"<x402-payment-token>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 challenge on POST, confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/employees/14/salary"},{"claim":"Payment is 20000 base units of USDC (6 decimals) = $0.02 on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/14/salary"},{"claim":"Site 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 contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/14/salary"}],"useCases":["Retrieving salary data for a specific employee via a paid API call","Testing x402 payment protocol integrations with a low-cost endpoint","Demonstrating pay-per-call API patterns on the Base L2 network"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand employee/salary data behind a micropayment wall","Testing USDC micropayment flows on Base"],"notFor":["Bulk payroll data retrieval (single employee, single call pattern)","Users without a Base-network USDC wallet","Production HR systems requiring authenticated, auditable access"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.16Z"},"updatedAt":"2026-04-23T09:02:01.940Z"}}