{"id":"d579cd5c-a582-47ec-906f-258fdaf4d537","shortId":"Ew25hF","kind":"x402","title":"x402-gated employee salary endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated employee salary endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to employee salary data (specifically employee ID 72) via an x402 payment-gated POST request. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request settled in USDC on the Base network.\n\nThe x402 challenge confirms the endpoint is live and accepts the \"exact\" payment scheme. The maximum amount required is 20,000 base units of USDC (contract 0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.\n\nDocumentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The specific purpose of the employee salary endpoint (whether it returns mock/demo data or real payroll information) is unclear from the available material. Treat this as a demonstration or early-stage endpoint until more documentation surfaces.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","employee-salary-data","json-response","no-api-key"],"categories":["data","finance"],"synonyms":["employee salary API","payroll data endpoint","x402 paid API","USDC micropayment API","Base network API","lowpaymentfee","pay-per-call data"],"warnings":["No OpenAPI spec or request/response schema available","All documentation pages return only 'Connect wallet' with no technical content","The nature of the employee salary data (mock, demo, or real) is unknown","No agents.txt or robots.txt guidance for automated consumers"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/72/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/72/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 (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the purpose of the specific employee salary resource is ambiguous. Effectively a stub 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'/docs':160 '/pricing':162 '/readme':164 '0.02':10,24,79,121 '000':109 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':132 '0x8335':115 '20':108 '2913':116 '300':135 '6':125 '72':42 'Base network API' 'USDC micropayment API' 'accept':98 'access':34,146 'address':131 'advertis':145 'ai/ml':69 'amount':105 'analyt':68 'api':65,139 'avail':190,212 'base':8,22,87,110,118 'broader':56 'call':64 'challeng':91 'confirm':92 'connect':170 'contract':114 'crypto':72 'data':38,67,203 'decim':126 'demonstr':218 'detail':177 'document':155,226 'dozen':59 'earli':221 'early-stag':220 'employe':4,18,36,40,196 'employee salary API' 'employee-salary-data' 'endpoint':6,20,30,94,198,223 'equal':120 'exact':100 'exampl':188 'extrem':157 'financ':71 'gate':3,17,48 'given':122 'grant':148 'header':154 'id':41 'infer':70 'inform':207 'json-response' 'key':140 'limit':143 'live':96 'lowpaymentfee' 'lowpaymentfee.com':32 'materi':213 'maximum':104 'mock/demo':202 'network':88 'no-api-key' 'offer':58 'openapi':181 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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/72/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":"2026-04-21T18:32:17.274Z"}],"sources":[{"listingId":"d579cd5c-a582-47ec-906f-258fdaf4d537","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/72/salary","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.274Z","lastSeenAt":"2026-04-23T04:32:04.482Z"}],"details":{"listingId":"d579cd5c-a582-47ec-906f-258fdaf4d537","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/72/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":"Endpoint returns 402 with x402 challenge, maxAmountRequired 20000 USDC base units on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/72/salary"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/72/salary"}],"useCases":["Retrieving employee salary information via a single paid API call","Demonstrating x402 payment protocol integration on Base","Building payroll or HR data pipelines with per-request billing"],"bestFor":["Developers experimenting with x402 payment-gated APIs","Agents that can settle USDC micropayments on Base","Projects needing no-signup, no-API-key data access"],"notFor":["Production payroll systems requiring documented schemas and SLAs","Users who cannot transact in USDC on the Base network","Bulk data retrieval where per-request pricing is cost-prohibitive"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.925Z"},"updatedAt":"2026-04-23T04:32:04.482Z"}}