{"id":"021157eb-ba43-4d1e-b32b-093df9c5a956","shortId":"QLkKfe","kind":"x402","title":"Pay-per-call employee salary data endpoint on Base via x402 (USDC).","tagline":"Pay-per-call employee salary data endpoint on Base via x402 (USDC).","description":"This endpoint at lowpaymentfee.com provides access to employee salary data via a simple POST request, settled per-call using the x402 payment protocol on the Base network with USDC. The specific resource `/api/v1/employees/128/salary` returns salary information for employee ID 128 in JSON format.\n\nThe endpoint charges a maximum of 0.02 USDC per request (20,000 base units with 6 decimals). Payment is handled inline via the X-PAYMENT header — no API keys, accounts, or rate limits are required. The x402 challenge confirms the endpoint is live, accepting the \"exact\" payment scheme on Base, paying to address 0x1A2B...85F3 with a 300-second timeout.\n\nlowpaymentfee.com hosts a broader catalog of pay-per-call APIs spanning data/analytics, AI/ML, finance/Web3, and utility services, all priced at $0.02 per request. However, the employee salary endpoint is not listed on the site's public catalog, and no documentation, request/response schema, or example payloads are available. The actual data source and fidelity of the salary information are unknown.","tags":[],"capabilities":["x402-payment","per-call-pricing","usdc-base","employee-salary-data","json-response","no-api-key"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 pay-per-call","USDC micropayment API","employee compensation data"],"warnings":["No request or response schema available — input format and output fields are unknown.","This specific endpoint (/api/v1/employees/128/salary) is not listed on the provider's public API catalog, raising questions about its intended audience or status.","No documentation pages rendered meaningful content (all showed only 'Connect wallet').","Data source and accuracy of salary information are completely undocumented."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/128/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/128/salary","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The x402 challenge is live and confirms pricing and payment details, but there is no documentation, no request/response schema, no examples, and the endpoint is not listed in the provider's own public catalog. The actual data behind this endpoint is entirely 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'0.02':77,153 '000':82 '0x1a2b':125 '128':67 '20':81 '300':129 '6':86 '85f3':126 'USDC micropayment API' 'accept':115 'access':32 'account':101 'actual':181 'address':124 'ai/ml':145 'api':99,142 'avail':179 'base':10,23,53,83,121 'broader':135 'call':4,17,45,141 'catalog':136,169 'challeng':109 'charg':73 'confirm':110 'data':7,20,36,182 'data/analytics':144 'decim':87 'document':172 'employe':5,18,34,65,158 'employee compensation data' 'employee salary API' 'employee-salary-data' 'endpoint':8,21,28,72,112,160 'exact':117 'exampl':176 'fidel':185 'finance/web3':146 'format':70 'handl':90 'header':97 'host':133 'howev':156 'id':66 'inform':63,189 'inlin':91 'json':69 'json-response' 'key':100 'limit':104 'list':163 'live':114 'lowpaymentfee.com':30,132 'maximum':75 'network':54 'no-api-key' 'pay':2,15,122,139 'pay-per-cal':1,14,138 'payload':177 'payment':49,88,96,118 'payroll data endpoint' 'per':3,16,44,79,140,154 'per-cal':43 'per-call-pricing' 'post':40 'price':151 'protocol':50 'provid':31 'public':168 'rate':103 'request':41,80,155 'request/response':173 'requir':106 'resourc':59 'return':61 'salari':6,19,35,62,159,188 'salary lookup' 'schema':174 'scheme':119 'second':130 'servic':149 'settl':42 'simpl':39 'site':166 'sourc':183 'span':143 'specif':58 'timeout':131 'unit':84 'unknown':191 'usdc':13,26,56,78 'usdc-base' 'use':46 'util':148 'via':11,24,37,92 'x':95 'x-payment':94 'x402':12,25,48,108 'x402 pay-per-call' 'x402-payment'","prices":[{"id":"8322aa41-5b13-4217-a87b-0dc7db9e58cf","listingId":"021157eb-ba43-4d1e-b32b-093df9c5a956","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/128/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":"2026-04-21T18:32:13.891Z"}],"sources":[{"listingId":"021157eb-ba43-4d1e-b32b-093df9c5a956","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/128/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.891Z","lastSeenAt":"2026-04-25T07:04:08.109Z"}],"details":{"listingId":"021157eb-ba43-4d1e-b32b-093df9c5a956","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/128/salary \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 in USDC (asset 0x8335…) on Base network.","source_url":"https://lowpaymentfee.com/api/v1/employees/128/salary"},{"claim":"The provider advertises $0.02 per request across all APIs with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is the canonical USDC on Base with 6 decimals.","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving salary information for a specific employee by ID","Integrating pay-per-call salary data into HR or payroll workflows","Agent-driven compensation benchmarking lookups"],"bestFor":["Developers needing on-demand salary data without subscription commitments","AI agents that can settle x402 payments on Base","Prototyping pay-per-call data access patterns"],"notFor":["Bulk salary data exports (single-employee endpoint, no batch mode documented)","Users without a Base-compatible USDC wallet","Production HR systems requiring documented SLAs and schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.703Z"},"updatedAt":"2026-04-25T07:04:08.109Z"}}