{"id":"1c2d885c-5693-49cc-8177-b1cb1f77bd70","shortId":"5WFEHv","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/55` returns JSON data for employee ID 55 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, finance & Web3, and infrastructure utilities — all priced at $0.02 per request. The x402 challenge confirms the price: maxAmountRequired of 20,000 base units of USDC (6 decimals) equals $0.02. Payment is made to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 on the Base L2 network using the USDC contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.\n\nDocumentation is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what fields the employee record contains. The endpoint is confirmed live (returns 402 with a well-formed x402 challenge), but the actual data returned after payment is unknown. The platform advertises no API keys, no rate limits, and instant access.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-call","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 employee endpoint","pay-per-request API","USDC API","Base network API","lowpaymentfee"],"warnings":["No API documentation available — docs, pricing, and API pages render only 'Connect wallet'","No OpenAPI or response schema provided; response structure after payment is unknown","The /api/v1/employees/55 endpoint is not listed among the advertised APIs on the homepage","Employee data endpoints may involve personally identifiable information (PII) — verify compliance requirements"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/55","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/55","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid x402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no documentation of request parameters or response fields, and no examples of actual responses. The docs pages are empty beyond a wallet-connect prompt. The specific endpoint (/employees/55) is not listed on the homepage, making its purpose and data format entirely 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'/request':17,34 '0.02':16,33,114,134 '000':126 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':140 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':151 '20':125 '402':197 '55':60 '6':131 'Base network API' 'USDC API' 'access':40,225 'actual':207 'address':139 'advertis':216 'ai':103 'analyt':102 'api':7,24,99,160,218 'base':9,26,80,127,143 'broader':88 'call':4,21,62,98 'challeng':119,204 'confirm':120,194 'connect':166 'contain':74,190 'content':172 'contract':149 'data':6,23,43,56,101,208 'decim':132 'descript':183 'doc':157 'document':152 'dozen':93 'employe':5,22,42,58,188 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,83,192 'equal':133 'exampl':180 'extrem':154 'field':186 'financ':106 'form':202 'header':73 'id':59 'infrastructur':109 'instant':224 'json':55 'json-response' 'key':219 'l2':144 'learn':105 'limit':222 'live':195 'lowpaymentfee' 'lowpaymentfee.com':38,90 'machin':104 'made':137 'maxamountrequir':123 'network':81,145 'no-api-key' 'offer':92 'openapi':176 'page':161 'part':85 'pay':2,19,96 'pay-per-cal':1,18,95 'pay-per-call' 'pay-per-request API' 'payment':48,72,77,135,211 'per':3,20,97,115 'platform':89,215 'post':65 'price':112,122,158 'prompt':168 'protocol':49 'provid':39 'rate':221 'record':44,189 'render':163 'request':66,116 'request/response':179 'resourc':52 'return':54,196,209 'schema':177 'settl':12,29 'span':100 'spars':155 'specif':51 'unit':128 'unknown':213 'usdc':14,31,76,130,148 'usdc-base' 'use':146 'util':110 'valid':69 'via':10,27,45 'wallet':167 'web3':107 'well':201 'well-form':200 'x':71 'x-payment':70 'x402':11,28,47,118,203 'x402 employee endpoint' 'x402-payment'","prices":[{"id":"2c9649d1-c141-4aa3-8577-60e8773af555","listingId":"1c2d885c-5693-49cc-8177-b1cb1f77bd70","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/55","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:16.978Z"}],"sources":[{"listingId":"1c2d885c-5693-49cc-8177-b1cb1f77bd70","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/55","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.978Z","lastSeenAt":"2026-04-24T10:33:55.468Z"}],"details":{"listingId":"1c2d885c-5693-49cc-8177-b1cb1f77bd70","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/55 \\\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":"Pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge confirms maxAmountRequired of 20000 base units of USDC (USD Coin) on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/55"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/55"},{"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 with per-call USDC micropayments","Integrating employee data into agent workflows without API key management","Accessing structured employee information via x402-compatible clients"],"bestFor":["Developers or agents already using x402 payment flows on Base","Use cases requiring keyless, pay-as-you-go access to employee data","Prototyping micropayment-gated API integrations"],"notFor":["Bulk employee data retrieval (no documented batch endpoints)","Users who need detailed API documentation or response schema guarantees before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.37Z"},"updatedAt":"2026-04-24T10:33:55.468Z"}}