{"id":"21c1496b-58cc-426b-832b-09c63bb6c15d","shortId":"FcqASZ","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/101` returns JSON data for employee ID 101 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, finance & Web3, and infrastructure utilities — all priced at $0.02 per request. Payment is made in USDC (contract 0x8335…2913 on Base) using the x402 \"exact\" scheme, with no API keys, no rate limits, and no upfront commitments required.\n\nThe x402 challenge is live and returns a 402 with a well-formed payment challenge. However, documentation is extremely thin — the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema, and no example payloads available. The actual shape of the employee data returned is unknown, so callers should expect to discover the response format empirically.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-call","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","staff records","HR data endpoint","x402 employee lookup","pay-per-request data","lowpaymentfee API","Base USDC API"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no technical content","The specific data returned for /api/v1/employees/101 is undocumented; callers must discover the schema empirically","Employee data endpoints may involve personally identifiable information (PII) — verify compliance requirements"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/101","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/101","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 well-formed, confirming the endpoint exists and accepts payments. However, there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the actual data returned is completely undocumented. The listing is effectively a stub with verified 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'/request':17,34 '0.02':16,33,113 '0x8335':122 '101':60 '2913':123 '402':151 'Base USDC API' 'HR data endpoint' 'access':40 'actual':197 'addit':180 'ai':102 'analyt':101 'api':7,24,98,133,167 'avail':195 'base':9,26,80,125 'broader':88 'call':4,21,62,97 'caller':207 'challeng':145,158 'commit':141 'connect':175 'contain':74 'contract':121 'data':6,23,43,56,100,202 'detail':182 'discov':211 'doc':165 'document':160 'empir':215 'employe':5,22,42,58,201 'employee API' 'employee-data' 'endpoint':36,83 'exact':129 'exampl':193 'expect':209 'extrem':162 'financ':105 'form':156 'format':214 'header':73 'howev':159 'id':59 'infrastructur':108 'json':55 'json-response' 'key':134 'learn':104 'limit':137 'live':147 'lowpaymentfee API' 'lowpaymentfee.com':38,90 'machin':103 'made':118 'network':81 'no-api-key' 'numer':93 'offer':92 'openapi':186 'page':170 'part':85 'pay':2,19,95 'pay-per-cal':1,18,94 'pay-per-call' 'pay-per-request data' 'payload':194 'payment':48,72,77,116,157 'per':3,20,96,114 'platform':89 'post':65 'price':111,166 'prompt':177 'protocol':49 'provid':39 'rate':136 'readm':169 'record':44 'render':172 'request':66,115 'request/response':189 'requir':142 'resourc':52 'respons':213 'return':54,149,203 'schema':190 'scheme':130 'settl':12,29 'shape':198 'span':99 'spec':187 'specif':51 'staff records' 'technic':181 'thin':163 'unknown':205 'upfront':140 'usdc':14,31,76,120 'usdc-base' 'use':126 'util':109 'valid':69 'via':10,27,45 'wallet':176 'web3':106 'well':155 'well-form':154 'x':71 'x-payment':70 'x402':11,28,47,128,144 'x402 employee lookup' 'x402-payment'","prices":[{"id":"9c4b51df-1df0-4583-8055-4e1fe68c9400","listingId":"21c1496b-58cc-426b-832b-09c63bb6c15d","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/101","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:13.155Z"}],"sources":[{"listingId":"21c1496b-58cc-426b-832b-09c63bb6c15d","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/101","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.155Z","lastSeenAt":"2026-04-25T11:33:15.485Z"}],"details":{"listingId":"21c1496b-58cc-426b-832b-09c63bb6c15d","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/101 \\\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 advertising USDC on Base network, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/101"},{"claim":"Platform 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 is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/101"},{"claim":"Platform offers APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee records on-demand without subscription or API key management","Integrating employee data lookups into agent workflows that support x402 payments","Testing x402 payment protocol integrations with a low-cost live endpoint"],"bestFor":["Developers experimenting with x402 payment-gated APIs","Agents needing on-demand employee data with crypto micropayments","Low-volume, pay-as-you-go data access without signup"],"notFor":["High-volume bulk employee data exports (no documented batch endpoint)","Users who need detailed API documentation or guaranteed SLAs before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.661Z"},"updatedAt":"2026-04-25T11:33:15.485Z"}}