{"id":"81216817-bf67-407d-9736-6ec3eb205824","shortId":"4ZNmhN","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 provides access to employee salary data via a simple POST request. The specific resource `/api/v1/employees/145/salary` returns salary information for employee ID 145 in JSON format. Payment is handled inline using the x402 protocol on the Base network, settling in USDC (contract 0x8335…2913) at a cost of $0.02 per request.\n\nThe hosting provider, lowpaymentfee.com, operates 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. The platform advertises no API keys, no rate limits, and instant access. However, documentation beyond the landing page is essentially empty (all doc/pricing/API pages just show a \"Connect wallet\" prompt), so there is no schema documentation, example payloads, or detailed field descriptions available for this specific endpoint.\n\nThe endpoint is live: it returns a proper x402 version-1 challenge with a 402 status code when called without payment. The challenge specifies the `exact` payment scheme, a max amount of 20,000 base units of USDC (6 decimals → $0.02), and a 300-second timeout. Because no request body schema or response schema is documented, callers will need to experiment or rely on the generic JSON response. The employee-salary framing suggests HR/payroll demo data rather than a production HR system, but this is not confirmed.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","pay-per-call","json-api"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","HR salary lookup","x402 paid API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No API documentation available — all doc pages show only 'Connect wallet'","No request body schema or response schema documented","No example responses available; actual data content and structure unknown","Employee salary data context is unclear — may be synthetic/demo data","No OpenAPI spec or AI plugin manifest found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/145/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/145/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 and returns a valid x402 challenge, but there is no documentation, no request/response schema, no examples, and the docs pages are all blank. The purpose of the data (employee salary) is unclear — it may be demo/synthetic data. Effectively a stub 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'/api/v1/employees/145/salary':52 '0.02':85,115,205 '000':198 '0x8335':79 '145':59 '20':197 '2913':80 '300':208 '402':179 '6':203 'Base network API' 'HR salary lookup' 'USDC micropayment API' 'access':39,129 'advertis':120 'ai/ml':105 'amount':195 'analyt':104 'api':101,122 'avail':160 'base':10,25,73,199 'base-network' 'beyond':132 'bodi':214 'broad':94 'call':4,19,100,183 'caller':221 'catalog':95 'challeng':176,187 'code':181 'confirm':252 'connect':145 'contract':78 'cost':83 'data':7,22,43,103,241 'decim':204 'demo':240 'descript':159 'detail':157 'doc/pricing/api':140 'document':131,153,220 'employe':5,20,41,57,235 'employee salary API' 'employee-salari':234 'employee-salary-data' 'empti':138 'enabl':34 'endpoint':8,23,35,164,166 'essenti':137 'exact':190 'exampl':154 'experi':225 'field':158 'finance/web3':107 'format':62 'frame':237 'generic':230 'handl':65 'host':89 'howev':130 'hr':246 'hr/payroll':239 'id':58 'infer':106 'inform':55 'infrastructur':109 'inlin':66 'instant':128 'json':61,231 'json-api' 'key':123 'land':134 'limit':126 'live':168 'lowpaymentfee' 'lowpaymentfee.com':37,91 'max':194 'need':223 'network':74 'oper':92 'page':135,141 'pay':2,17,98 'pay-per-cal':1,16,97 'pay-per-call' 'payload':155 'payment':63,185,191 'payroll data endpoint' 'per':3,18,86,99,116 'platform':119 'post':47 'price':112 'product':245 'prompt':147 'proper':172 'protocol':70 'provid':38,90 'rate':125 'rather':242 'reli':227 'request':48,87,117,213 'resourc':51 'respons':217,232 'return':53,170 'salari':6,21,42,54,236 'schema':152,215,218 'scheme':192 'second':209 'settl':13,28,75 'show':143 'simpl':46 'span':102 'specif':50,163 'specifi':188 'status':180 'suggest':238 'system':247 'timeout':210 'uniform':113 'unit':200 'usdc':15,30,77,202 'usdc-settlement' 'use':67 'util':110 'version':174 'via':11,26,44 'wallet':146 'without':184 'x402':12,27,33,69,173 'x402 paid API' 'x402-enabled':32 'x402-payment'","prices":[{"id":"f2372da8-2801-4a29-817f-34c36fa00590","listingId":"81216817-bf67-407d-9736-6ec3eb205824","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/145/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":"2026-04-21T18:32:14.409Z"}],"sources":[{"listingId":"81216817-bf67-407d-9736-6ec3eb205824","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/145/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.409Z","lastSeenAt":"2026-04-23T09:02:02.038Z"}],"details":{"listingId":"81216817-bf67-407d-9736-6ec3eb205824","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/145/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 endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/145/salary"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/145/salary"}],"useCases":["Retrieving employee salary information programmatically with per-call payment","Demonstrating x402 protocol payment flows on Base network","Integrating pay-per-use data endpoints into agent workflows without API keys"],"bestFor":["Developers experimenting with x402 micropayment protocols","Agents that need on-demand salary/payroll data without subscription commitments","Testing USDC-settled pay-per-call API integrations on Base"],"notFor":["Production HR/payroll systems requiring authenticated, auditable access","Bulk data retrieval where per-call pricing would be cost-inefficient","Users without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.039Z"},"updatedAt":"2026-04-23T09:02:02.038Z"}}