{"id":"9b9043da-147f-43b5-977a-131028f2f51f","shortId":"pyAE8B","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/60` returns JSON data for employee ID 60 when a valid USDC micro-payment is submitted on the Base network. The endpoint accepts POST requests and requires an X-PAYMENT header containing the x402 payment proof.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers 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. The platform advertises no API keys, no rate limits, and instant access; payment is the only authentication mechanism. The x402 challenge specifies a maxAmountRequired of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no example payloads available. The endpoint is confirmed live (returns a proper 402 challenge), but the actual shape of the employee data returned after payment is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-call","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","staff data endpoint","HR data API","x402 employee lookup","pay-per-request data","lowpaymentfee API","Base USDC API"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all return only a wallet-connect prompt","No OpenAPI or schema describing the employee data structure returned","Response format after successful payment is entirely unknown","The endpoint path suggests a single employee record (ID 60); unclear if other IDs are available or what fields are included"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/60","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/60","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 challenge with clear pricing, but there is no documentation, no OpenAPI spec, no request/response schema, and no examples. The actual data returned after payment is completely unknown. The docs pages are empty 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'/api/v1/employees/60':53 '/docs':173 '/pricing':174 '/readme':177 '/request':17,34 '0.02':16,33,122,162 '000':151 '0x8335':156 '20':150 '2913':157 '402':211 '6':166 '60':60 'Base USDC API' 'HR data API' 'accept':76 'access':40,136 'actual':215 'advertis':127 'ai/ml':112 'analyt':111 'api':7,24,108,129 'authent':141 'avail':202 'base':9,26,72,152,159 'broader':97 'call':4,21,107 'challeng':145,212 'confirm':206 'connect':183 'contain':86 'content':189 'data':6,23,43,56,110,115,220 'decim':167 'document':168 'dozen':102 'employe':5,22,42,58,219 'employee API' 'employee-data' 'endpoint':36,75,92,204 'equal':161 'exampl':200 'extrem':170 'finance/web3':114 'given':163 'header':85 'id':59 'infer':113 'infrastructur':117 'instant':135 'json':55 'json-response' 'key':130 'limit':133 'live':207 'lowpaymentfee API' 'lowpaymentfee.com':38,99 'maxamountrequir':148 'mechan':142 'micro':66 'micro-pay':65 'network':73 'no-api-key' 'offer':101 'openapi':193 'page':178 'part':94 'pay':2,19,105 'pay-per-cal':1,18,104 'pay-per-call' 'pay-per-request data' 'payload':201 'payment':48,67,84,89,137,223 'per':3,20,106,123 'platform':98,126 'post':77 'price':120 'prompt':185 'proof':90 'proper':210 'protocol':49 'provid':39 'rate':132 'record':44 'render':180 'request':78,124 'request/response':196 'requir':80 'resourc':52 'return':54,208,221 'schema':197 'settl':12,29 'shape':216 'span':109 'spars':171 'spec':194 'specif':51 'specifi':146 'staff data endpoint' 'submit':69 'unit':153 'unknown':225 'usdc':14,31,64,155,164 'usdc-base' 'util':118 'valid':63 'via':10,27,45 'wallet':184 'x':83 'x-payment':82 'x402':11,28,47,88,144 'x402 employee lookup' 'x402-payment'","prices":[{"id":"8926c454-617c-4889-88b9-7a34ee469e6a","listingId":"9b9043da-147f-43b5-977a-131028f2f51f","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/60","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:17.255Z"}],"sources":[{"listingId":"9b9043da-147f-43b5-977a-131028f2f51f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/60","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.255Z","lastSeenAt":"2026-04-24T09:33:12.317Z"}],"details":{"listingId":"9b9043da-147f-43b5-977a-131028f2f51f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/60 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/60"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/60"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (/docs, /pricing, /api, /README) render only a Connect wallet prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee records on-demand without API key management","Integrating employee data lookups into agent workflows with micro-payments","Programmatic access to structured employee information via crypto payment"],"bestFor":["Agents or bots that need on-demand employee data with no subscription","Developers experimenting with x402 pay-per-call patterns on Base","Use cases where avoiding API key provisioning is valuable"],"notFor":["Bulk employee data exports (pay-per-call at $0.02 adds up quickly)","Users who need detailed documentation or guaranteed SLAs before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.948Z"},"updatedAt":"2026-04-24T09:33:12.317Z"}}