{"id":"7343b237-4220-4d29-9162-ae0227117b12","shortId":"NCVtxU","kind":"x402","title":"x402-gated employee salary endpoint on Base, paid per-request in USDC.","tagline":"x402-gated employee salary endpoint on Base, paid per-request in USDC.","description":"This endpoint at lowpaymentfee.com exposes an employee salary resource (`/api/v1/employees/147/salary`) behind an x402 payment challenge. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 \"exact\" scheme. The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals).\n\nThe hosting site lowpaymentfee.com advertises a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. However, the specific `/employees/147/salary` endpoint is not listed on the site's landing page, and no documentation, request schema, or response schema is available for it. The docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further content.\n\nBecause there is no OpenAPI spec, no request/response examples, and no documentation describing what this endpoint actually returns or what input it expects, the practical utility for an agent is limited. The endpoint is confirmed live (402 challenge captured), but the lack of any schema or sample data means callers must discover the interface through experimentation.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-salary-data","json-response","per-request-pricing"],"categories":["data","finance"],"synonyms":["employee salary API","payroll endpoint","x402 salary lookup","USDC pay-per-call API","Base network API","lowpaymentfee employee"],"warnings":["No documentation or schema available for this endpoint — request format and response structure are unknown.","The /employees/147/salary path is not listed among the provider's advertised APIs; it may be a demo or test endpoint.","Docs, pricing, and API pages render only 'Connect wallet' with no usable content.","No robots.txt or agents.txt found; no OpenAPI spec available."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/147/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/147/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, but there is zero documentation, no OpenAPI spec, no request/response schema, and the specific employee salary endpoint isn't even listed on the provider's own landing page. Effectively a stub with confirmed 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'/employees/147/salary':130 '0.02':83,114 '000':76 '0x8335':61 '20':75 '2913':62 '402':206 '6':86 'Base network API' 'USDC pay-per-call API' 'accept':45 'actual':186 'advertis':92 'agent':198 'ai/ml':104 'amount':70 'analyt':103 'api':100,119,157 'avail':150 'base':8,22,56,77 'base-network' 'behind':39 'broad':94 'call':73 'caller':219 'captur':208 'catalog':95 'challeng':43,207 'commit':126 'confirm':204 'connect':163 'content':169 'contract':60 'crypto':107 'data':102,217 'decim':87 'describ':182 'discov':221 'doc':154 'document':143,181 'employe':4,18,35 'employee salary API' 'employee-salary-data' 'endpoint':6,20,30,131,185,202 'equal':82 'exact':66 'exampl':178 'expect':192 'experiment':225 'expos':33 'financ':106 'gate':3,17,99 'host':89 'howev':127 'infer':105 'input':190 'interfac':223 'json':50 'json-response' 'key':120 'lack':211 'land':139 'limit':123,200 'list':134 'live':205 'lowpaymentfee employee' 'lowpaymentfee.com':32,91 'maximum':69 'mean':218 'must':220 'network':57 'openapi':174 'page':140,158 'paid':9,23 'payment':42,51 'payroll endpoint' 'per':11,25,72,115 'per-request':10,24 'per-request-pricing' 'post':46 'practic':194 'price':112,155 'prompt':165 'rate':122 'render':160 'request':12,26,47,116,144 'request/response':177 'requir':71 'resourc':37 'respons':147 'return':49,187 'salari':5,19,36 'sampl':216 'schema':145,148,214 'scheme':67 'servic':110 'settl':53 'site':90,137 'span':101 'spec':175 'specif':129 'unit':78 'usdc':14,28,59,80,84 'usdc-settlement' 'use':58,85 'util':109,195 'via':63 'wallet':164 'x402':2,16,41,65,98 'x402 salary lookup' 'x402-gated':1,15,97 'x402-payment'","prices":[{"id":"d071d806-88a2-4ea9-8c15-66b98c4900c6","listingId":"7343b237-4220-4d29-9162-ae0227117b12","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/147/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":"2026-04-21T18:32:14.353Z"}],"sources":[{"listingId":"7343b237-4220-4d29-9162-ae0227117b12","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/147/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.353Z","lastSeenAt":"2026-04-23T09:02:02.005Z"}],"details":{"listingId":"7343b237-4220-4d29-9162-ae0227117b12","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/147/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 challenge with maxAmountRequired of 20000 base units of USDC on Base network.","source_url":"https://lowpaymentfee.com/api/v1/employees/147/salary"},{"claim":"The site advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","source_url":"https://lowpaymentfee.com/api/v1/employees/147/salary"}],"useCases":["Retrieving salary information for a specific employee record","Demonstrating x402 micropayment flows on Base","Testing pay-per-call API integrations with USDC"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need on-demand employee salary data behind micropayments","Prototyping pay-per-request data access patterns"],"notFor":["Production payroll systems requiring documented, stable schemas","Bulk employee data retrieval (single-record endpoint, no batch support evident)","Users without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.114Z"},"updatedAt":"2026-04-23T09:02:02.005Z"}}