{"id":"b2f050ef-d704-4b1c-8fa0-d6654a99d0b6","shortId":"Tg7HNV","kind":"x402","title":"x402-gated employee data endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated employee data endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to an employee record (ID 44) behind an x402 payment wall. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request settled in USDC on the Base network.\n\nThe specific resource `/api/v1/employees/44` is not listed on the provider's landing page among the advertised API categories (Data & Analytics, AI & ML, Finance & Web3, Infrastructure), so it may be an unlisted or demo endpoint. The x402 challenge confirms it is live: it accepts POST requests, requires an exact-scheme payment of 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals → $0.02), and returns application/json. No API keys or rate limits are advertised; authentication is handled entirely via the X-PAYMENT header per the x402 protocol.\n\nDocumentation beyond the landing page 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 description of what fields the employee record contains. Consumers should expect a JSON object but will need to discover the schema empirically.","tags":[],"capabilities":["x402-payment","usdc-base","per-call-pricing","employee-data","json-response","no-api-key","post-method"],"categories":["data"],"synonyms":["employee API","staff record","HR data endpoint","x402 API","pay-per-call API","Base USDC API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","The /api/v1/employees/44 endpoint is not listed among the provider's advertised APIs; it may be a demo or unlisted resource","All documentation pages (/docs, /pricing, /api, /README) render only 'Connect wallet' with no technical content","No SLA, rate-limit, or uptime guarantees documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/44","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/44","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 confirmed) 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 specific /employees/44 resource is not listed among the provider's advertised APIs. Effectively a stub 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'/api/v1/employees/44':87 '/docs':183 '/pricing':184 '/readme':187 '0.02':10,24,74,148 '000':137 '0x8335':142 '20':136 '2913':143 '44':40 '6':146 'Base USDC API' 'HR data endpoint' 'accept':126 'access':34 'addit':198 'advertis':99,159 'ai':104 'ai/ml':64 'among':97 'analyt':63,103 'api':60,100,153 'application/json':151 'authent':160 'base':8,22,82,138,145 'behind':41 'beyond':175 'broader':51 'call':59 'categori':101 'challeng':120 'confirm':121 'connect':193 'consum':219 'contain':218 'data':5,19,62,67,102 'decim':147 'demo':116 'descript':211 'detail':200 'discov':229 'document':174 'dozen':54 'empir':232 'employe':4,18,37,216 'employee API' 'employee-data' 'endpoint':6,20,30,117 'entir':163 'exact':132 'exact-schem':131 'expect':221 'extrem':180 'field':214 'financ':106 'finance/web3':66 'gate':3,17 'handl':162 'header':169 'id':39 'infer':65 'infrastructur':69,108 'json':223 'json-response' 'key':154 'land':95,177 'limit':157 'list':90 'live':124 'lowpaymentfee' 'lowpaymentfee.com':32 'may':111 'ml':105 'need':227 'network':83 'no-api-key' 'object':224 'offer':53 'openapi':204 'page':96,178,188 'part':48 'pay':9,23,57 'pay-per-cal':56 'pay-per-call API' 'payment':44,134,168 'per':11,25,58,75,170 'per-call-pricing' 'platform':52 'post':127 'post-method' 'price':72 'prompt':195 'protocol':173 'provid':33,93 'rate':156 'record':38,217 'render':190 'request':12,26,76,128 'request/response':207 'requir':129 'resourc':86 'return':150 'schema':208,231 'scheme':133 'settl':77 'span':61 'spec':205 'specif':85 'staff record' 'technic':199 'thin':181 'unit':139 'unlist':114 'usdc':14,28,79,141 'usdc-base' 'util':70 'via':164 'wall':45 'wallet':194 'web3':107 'x':167 'x-payment':166 'x402':2,16,43,119,172 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"11777b1c-9583-4763-bfd4-5cc9d69aafa1","listingId":"b2f050ef-d704-4b1c-8fa0-d6654a99d0b6","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/44","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:16.850Z"}],"sources":[{"listingId":"b2f050ef-d704-4b1c-8fa0-d6654a99d0b6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/44","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.850Z","lastSeenAt":"2026-04-24T12:04:39.092Z"}],"details":{"listingId":"b2f050ef-d704-4b1c-8fa0-d6654a99d0b6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/44 \\\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":"The endpoint returns a 402 challenge requiring 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/44"},{"claim":"The platform advertises $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Advertised API categories include Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee record data on a per-call payment basis","Demonstrating x402 payment protocol integration on Base","Programmatic access to structured employee information without API key management"],"bestFor":["Developers experimenting with x402 payment-gated APIs","Agents that need on-demand data access without subscription commitments","Projects already using USDC on Base that want frictionless pay-per-call"],"notFor":["Bulk employee data retrieval (no batch endpoint documented)","Production HR systems requiring well-documented schemas and SLAs","Users without a Base-compatible wallet or USDC balance"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.568Z"},"updatedAt":"2026-04-24T12:04:39.092Z"}}