{"id":"18779bfb-56c1-4a92-ba1d-85db7593990a","shortId":"FQm2zk","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/40` returns JSON data for employee ID 40 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 dozens of 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 Base, with no API keys, no rate limits, and no minimum commitments required.\n\nThe x402 challenge confirms the endpoint is live, accepting payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on the Base network. The maxAmountRequired of 20000 base units (USDC has 6 decimals) equals $0.02 per call. The response MIME type is application/json. Documentation beyond the landing page is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-call","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","staff data endpoint","personnel record API","x402 data API","lowpaymentfee API","USDC pay-per-call","Base network API"],"warnings":["No API documentation available — docs, pricing, and README pages all render only a wallet-connect prompt with no technical content.","No request or response schema is documented for the /api/v1/employees/{id} endpoint.","The nature and source of the 'employee' data is unknown — it may be sample/demo data rather than a production dataset.","Output schema in the x402 challenge only specifies HTTP POST method; no field-level schema is provided."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/40","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/40","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documented request/response format, no example payloads, and all documentation pages beyond the landing page are empty stubs. The specific purpose and schema of the /employees/40 resource is entirely 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'/request':17,34 '0.02':16,33,136,188 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':168 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':172 '20000':180 '40':60 '6':185 'Base network API' 'USDC pay-per-call' 'accept':164 'access':40 'addit':221 'address':167 'ai':103 'analysi':107 'analyt':102 'api':7,24,99,146,207 'application/json':196 'base':9,26,80,143,175,181 'beyond':198 'broader':88 'call':4,21,62,98,190 'challeng':158 'classif':109 'commit':154 'confirm':159 'connect':216 'contain':74 'contract':171 'convers':126 'data':6,23,43,56,101 'decim':186 'detail':223 'doc':206 'document':197 'dozen':93 'embed':110 'employe':5,22,42,58 'employee API' 'employee-data' 'endpoint':36,83,129,161 'equal':187 'estim':120 'exchang':115 'extrem':203 'feed':114 'financ':111 'gas':119 'generat':127 'geocod':124 'header':73 'id':59 'infrastructur':122 'json':55 'json-response' 'key':147 'land':200 'learn':105 'limit':150 'live':163 'lowpaymentfee API' 'lowpaymentfee.com':38,90 'machin':104 'maxamountrequir':178 'mime':193 'minimum':153 'network':81,176 'no-api-key' 'offer':92 'page':201,211 'paid':139 'part':85 'pay':2,19,96 'pay-per-cal':1,18,95 'pay-per-call' 'payment':48,72,77,165 'per':3,20,97,137,189 'personnel record API' 'platform':89,132 'post':65 'price':113,134,208 'prompt':218 'protocol':49 'provid':39 'quot':118 'rate':116,149 'readm':210 'record':44 'render':213 'request':66,138 'requir':155 'resourc':52 'respons':192 'return':54 'sentiment':106 'settl':12,29 'span':100 'spars':204 'specif':51 'staff data endpoint' 'summar':108 'technic':222 'token':117 'type':194 'unit':182 'usdc':14,31,76,141,170,183 'usdc-base' 'use':169 'util':123 'valid':69,125 'via':10,27,45 'wallet':217 'web3':112 'x':71 'x-payment':70 'x402':11,28,47,157 'x402 data API' 'x402-payment'","prices":[{"id":"cd1a6b99-a05c-47ae-88c3-1e208fd2cb2f","listingId":"18779bfb-56c1-4a92-ba1d-85db7593990a","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/40","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:16.596Z"}],"sources":[{"listingId":"18779bfb-56c1-4a92-ba1d-85db7593990a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/40","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.596Z","lastSeenAt":"2026-04-24T13:32:58.906Z"}],"details":{"listingId":"18779bfb-56c1-4a92-ba1d-85db7593990a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/40 \\\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, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/40"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/40"},{"claim":"Platform offers APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving individual employee records by ID for HR or payroll integrations","Demonstrating x402 micropayment-gated API access patterns","Agent-driven data retrieval with per-call USDC settlement on Base"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand employee data without API key provisioning","Low-volume, pay-as-you-go data access with no subscription overhead"],"notFor":["High-volume bulk employee data exports (no batch endpoint documented)","Users without a Base-compatible USDC wallet","Anyone needing detailed API documentation or schema guarantees"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.962Z"},"updatedAt":"2026-04-24T13:32:58.906Z"}}