{"id":"ff2d4b6e-6899-4984-933d-6314dfa51e2c","shortId":"gYg8u2","kind":"x402","title":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data records via the x402 payment protocol. The specific resource `/api/v1/employees/10` returns JSON data for employee ID 10 when called with a POST request and a valid X-PAYMENT header containing a USDC payment on the Base network.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers numerous pay-per-call APIs spanning data & analytics, AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints on the platform are priced at $0.02 per request, paid in USDC on the Base L2 network. The x402 challenge confirms the asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 (Base USDC) with a maxAmountRequired of 20000 base units, which equals $0.02 (20000 / 10^6).\n\nThe platform advertises no API keys, no rate limits, and instant access. Documentation pages exist at /docs, /pricing, and /api but currently render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no example request/response documentation, and no detail on what fields the employee record contains. The endpoint is live and returning a proper 402 challenge.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-call","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","employee record lookup","staff data endpoint","HR data API","x402 employee endpoint","lowpaymentfee API","Base USDC API"],"warnings":["No OpenAPI or JSON schema available for request or response bodies","Documentation pages (/docs, /pricing, /api, /README) are empty — only show 'Connect wallet'","No information on what fields the employee record contains or what input the POST body expects","The endpoint path suggests sample/demo data (employee ID 10) — unclear if this is production data"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/10","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/10","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 402 challenge with clear pricing. However, there is no OpenAPI schema, no documented request/response format, no example payloads, and the docs/pricing/API pages are empty stubs showing only 'Connect wallet'. The actual data returned by the employee endpoint is completely 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'/api/v1/employees/10':53 '/docs':185 '/pricing':186 '/request':17,34 '0.02':16,33,135,165 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':153 '10':60,167 '20000':160,166 '402':228 '6':168 'Base USDC API' 'HR data API' 'access':40,180 'address':152 'advertis':171 'ai':102 'analysi':106 'analyt':101 'api':7,24,98,173 'asset':151 'base':9,26,80,143,154,161 'broader':88 'call':4,21,62,97 'challeng':148,229 'classif':108 'confirm':149 'connect':194 'contain':74,219 'content':200 'convers':125 'current':190 'data':6,23,43,56,100 'detail':212 'document':181,209 'embed':109 'employe':5,22,42,58,217 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,83,128,221 'equal':164 'estim':119 'exampl':207 'exchang':114 'exist':183 'feed':113 'field':215 'financ':110 'gas':118 'generat':126 'geocod':123 'header':73 'id':59 'infrastructur':121 'instant':179 'json':55 'json-response' 'key':174 'l2':144 'learn':104 'limit':177 'live':223 'lowpaymentfee API' 'lowpaymentfee.com':38,90 'machin':103 'maxamountrequir':158 'network':81,145 'no-api-key' 'numer':93 'offer':92 'openapi':204 'page':182 'paid':138 'part':85 'pay':2,19,95 'pay-per-cal':1,18,94 'pay-per-call' 'payment':48,72,77 'per':3,20,96,136 'platform':89,131,170 'post':65 'price':112,133 'prompt':196 'proper':227 'protocol':49 'provid':39 'quot':117 'rate':115,176 'record':44,218 'render':191 'request':66,137 'request/response':208 'resourc':52 'return':54,225 'schema':205 'sentiment':105 'settl':12,29 'span':99 'specif':51 'staff data endpoint' 'substant':199 'summar':107 'token':116 'unit':162 'usdc':14,31,76,140,155 'usdc-base' 'util':122 'valid':69,124 'via':10,27,45 'wallet':195 'web3':111 'x':71 'x-payment':70 'x402':11,28,47,147 'x402 employee endpoint' 'x402-payment'","prices":[{"id":"935ccf26-8769-44ab-a89d-7c174e04b745","listingId":"ff2d4b6e-6899-4984-933d-6314dfa51e2c","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/10","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:13.149Z"}],"sources":[{"listingId":"ff2d4b6e-6899-4984-933d-6314dfa51e2c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/10","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.149Z","lastSeenAt":"2026-04-25T11:33:15.404Z"}],"details":{"listingId":"ff2d4b6e-6899-4984-933d-6314dfa51e2c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/10 \\\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":"All endpoints priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge confirms USDC on Base with maxAmountRequired of 20000 base units ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/employees/10"},{"claim":"Asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 is Base USDC","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee records by ID for HR or payroll integrations","Agent-driven data lookups that require per-call micropayments","Demonstrating x402 payment protocol integration with USDC on Base"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand employee data without API key management","Low-volume, pay-as-you-go data retrieval"],"notFor":["High-volume bulk employee data exports (no documented batch endpoint)","Users who need detailed API documentation or schema guarantees before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.76Z"},"updatedAt":"2026-04-25T11:33:15.404Z"}}