{"id":"d139e68a-ef52-427d-9de5-820805d5d768","shortId":"Jw92Yp","kind":"x402","title":"Pay-per-call employee salary lookup API on Base via x402, settled in USDC.","tagline":"Pay-per-call employee salary lookup API on Base via x402, settled in USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data via a simple POST request. It is part of a broader suite of pay-per-call APIs offered by the provider, spanning data analytics, AI/ML inference, finance, and utility categories. The specific resource `/api/v1/employees/9/salary` returns salary information for employee ID 9 in JSON format.\n\nPayment is handled via the x402 protocol on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913). The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals). No API keys are needed; payment is made inline with each request via the X-PAYMENT header. The provider advertises no rate limits and instant access.\n\nDocumentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the salary response contains. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response payload structure is unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-lookup","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee salary API","payroll data endpoint","salary lookup","x402 API","micropayment API","USDC pay-per-call","Base network API"],"warnings":["No OpenAPI or schema documentation available for this endpoint","Docs, pricing, and API pages render only 'Connect wallet' with no technical content","This specific endpoint (/api/v1/employees/9/salary) is not listed among the provider's advertised APIs — it may be a demo or test resource","Response payload structure is completely unknown","The hardcoded employee ID '9' in the path suggests this may be a demo endpoint rather than a general-purpose API"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/9/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/9/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 and returns a valid x402 challenge, confirming it accepts payments. However, there is no OpenAPI schema, no documented request/response format, no examples, and the docs pages are empty. The specific endpoint (employees/9/salary) is not even listed on the provider's landing page, making its purpose and output entirely inferred from the URL path. This is effectively a stub 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'0.02':116 '000':109 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':100 '20':108 '402':196 '6':119 '9':82 'Base network API' 'USDC pay-per-call' 'access':36,147 'actual':200 'advertis':141 'ai/ml':66 'amount':103 'analyt':65 'api':8,23,58,122,156 'base':10,25,95,110 'base-network' 'broader':51 'call':4,19,57,106 'categori':71 'challeng':197 'confirm':191 'connect':162 'contain':187 'contract':99 'data':40,64 'decim':120 'descript':180 'detail':169 'doc':153 'document':148 'employe':5,20,38,80 'employee salary API' 'employee-salary-lookup' 'endpoint':32,189 'equal':115 'exampl':177 'extrem':150 'field':183 'financ':68 'format':85 'handl':88 'header':138 'id':81 'infer':67 'inform':78 'inlin':129 'instant':146 'json':84 'key':123 'limit':144 'live':192 'lookup':7,22 'lowpaymentfee.com':34 'made':128 'maximum':102 'micropayment API' 'need':125 'network':96 'no-api-key' 'offer':59 'openapi':173 'page':157 'part':48 'pay':2,17,55 'pay-per-cal':1,16,54 'pay-per-call' 'payload':202 'payment':86,126,137 'payroll data endpoint' 'per':3,18,56,105 'post':44 'price':154 'prompt':164 'proper':195 'protocol':92 'provid':35,62,140 'rate':143 'render':159 'request':45,132 'request/response':176 'requir':104 'resourc':74 'respons':186,201 'return':76,193 'salari':6,21,39,77,185 'salary lookup' 'schema':174 'settl':13,28 'simpl':43 'span':63 'spars':151 'specif':73 'structur':203 'suit':52 'technic':168 'unit':111 'unknown':205 'usdc':15,30,98,113,117 'usdc-settlement' 'use':97,118 'util':70 'via':11,26,41,89,133 'wallet':163 'x':136 'x-payment':135 'x402':12,27,91 'x402 API' 'x402-payment'","prices":[{"id":"4e1f867f-6578-4a82-9566-702765329924","listingId":"d139e68a-ef52-427d-9de5-820805d5d768","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/9/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":"2026-04-21T18:32:18.342Z"}],"sources":[{"listingId":"d139e68a-ef52-427d-9de5-820805d5d768","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/9/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:18.342Z","lastSeenAt":"2026-04-24T02:03:19.388Z"}],"details":{"listingId":"d139e68a-ef52-427d-9de5-820805d5d768","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/9/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 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/9/salary"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/9/salary"},{"claim":"Provider advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The provider lists APIs across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving salary data for a specific employee on demand","Integrating employee compensation data into payroll or HR dashboards","Agent-driven lookups of salary information without API key management"],"bestFor":["Developers needing quick, keyless access to employee salary data","AI agents that can settle x402 payments on Base","Applications requiring pay-per-use data access without subscriptions"],"notFor":["Bulk employee data exports (single-employee endpoint, no batch support evident)","Users who cannot transact in USDC on the Base network","Production use cases requiring documented response schemas and SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:12.299Z"},"updatedAt":"2026-04-24T02:03:19.388Z"}}