{"id":"6cae6846-e5fc-4790-bb33-a0d632e98f10","shortId":"vYcdLb","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 143) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-call API endpoints across data analytics, AI/ML, finance, and utility categories, all gated behind x402 micropayments on the Base network.\n\nThe specific endpoint `/api/v1/employees/143` returns JSON data when a valid x402 payment header is supplied. The x402 challenge confirms the endpoint is live, accepting USDC payments on Base (contract 0x8335…2913) at a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. The method is POST.\n\nThe platform advertises a simple pricing model of $0.02 per request across all endpoints, with no API keys, no rate limits, no minimums, and instant access. However, documentation 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 schema, no example request/response payloads, and no description of what fields the employee record contains. The endpoint path suggests a REST resource for employee data, but the actual response structure is unknown.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","pay-per-request","json-response","no-api-key"],"categories":["data"],"synonyms":["employee API","employee record","staff data","personnel endpoint","x402 employee","lowpaymentfee","micropayment API","Base USDC API"],"warnings":["No OpenAPI or schema documentation available — response structure is unknown","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no content","The endpoint path /api/v1/employees/143 is a hardcoded resource ID; it is unclear whether other IDs are accessible or what the data represents","No robots.txt or agents.txt found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/143","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/143","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 example responses, and the docs pages are empty stubs. The purpose of the employee data endpoint is not explained anywhere, and the response format is entirely 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'0.02':10,24,121,151 '000':116 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':133 '0x8335':108 '143':40 '20':115 '2913':109 '300':136 '6':126 'Base USDC API' 'accept':102 'access':34,168 'across':62,154 'actual':223 'address':132 'advertis':145 'ai/ml':65 'analyt':64 'api':60,159,177 'base':8,22,77,106,117 'behind':72 'broader':51 'call':59 'categori':69 'challeng':96 'confirm':97 'connect':185 'contain':210 'content':191 'contract':107 'cost':113 'data':5,19,63,85,220 'decim':127 'descript':203 'doc':175 'document':170 'dozen':54 'employe':4,18,37,208,219 'employee API' 'employee record' 'employee-data' 'endpoint':6,20,30,61,81,99,156,212 'equal':120 'exampl':198 'extrem':172 'field':206 'financ':66 'gate':3,17,71 'header':91 'howev':169 'id':39 'instant':167 'json':84 'json-response' 'key':160 'limit':163 'live':101 'lowpaymentfee' 'lowpaymentfee.com':32 'maximum':112 'method':140 'micropay':74 'micropayment API' 'minimum':165 'model':149 'network':78 'no-api-key' 'offer':53 'openapi':195 'page':180 'part':48 'path':213 'pay':9,23,57 'pay-per-cal':56 'pay-per-request' 'payload':200 'payment':44,90,104,128 'per':11,25,58,122,152 'personnel endpoint' 'platform':52,144 'post':142 'price':148,176 'prompt':187 'protocol':45 'provid':33 'rate':162 'readm':179 'record':38,209 'render':182 'request':12,26,123,153 'request/response':199 'resourc':217 'respons':224 'rest':216 'return':83 'schema':196 'second':137 'sent':130 'simpl':147 'spars':173 'specif':80 'staff data' 'structur':225 'suggest':214 'suppli':93 'timeout':138 'unit':118 'unknown':227 'usdc':14,28,103,124 'usdc-base' 'use':125 'util':68 'valid':88 'via':41 'wallet':186 'x402':2,16,43,73,89,95 'x402 employee' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"604c3dce-5d35-4a53-a7cb-eb38654d76e9","listingId":"6cae6846-e5fc-4790-bb33-a0d632e98f10","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/143","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:14.492Z"}],"sources":[{"listingId":"6cae6846-e5fc-4790-bb33-a0d632e98f10","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/143","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.492Z","lastSeenAt":"2026-04-25T03:03:58.899Z"}],"details":{"listingId":"6cae6846-e5fc-4790-bb33-a0d632e98f10","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/143 \\\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":"The endpoint returns a 402 challenge requesting USDC on Base with maxAmountRequired of 20000 base units ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/employees/143"},{"claim":"The platform advertises $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/143"}],"useCases":["Retrieving employee record data for ID 143 via a single paid API call","Demonstrating x402 micropayment integration on the Base network","Programmatic access to employee information without API key management"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need on-demand employee data without subscription commitments","Low-volume, pay-as-you-go data retrieval"],"notFor":["Bulk employee data exports (single-record endpoint, no batch support evident)","Users who need detailed API documentation or schema guarantees before integrating","Anyone needing free or pre-authenticated access"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.919Z"},"updatedAt":"2026-04-25T03:03:58.899Z"}}