{"id":"abbb8842-c15a-49ba-9116-3e1933de76c5","shortId":"E44P4c","kind":"x402","title":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","tagline":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data (specifically employee record 103) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals).\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers multiple API categories including Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure utilities — all priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access. Payment is handled entirely through the x402 protocol's X-PAYMENT header, meaning callers attach a signed USDC payment to each request rather than managing subscriptions or API keys.\n\nDocumentation on the site 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 request/response examples, and no description of what fields the employee record contains. The endpoint is confirmed live (returns a proper 402 challenge), but the actual data returned after payment is unknown from the available material.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","per-call-pricing","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","HR data endpoint","employee record lookup","pay-per-call API","x402 employee data","USDC API","Base network API"],"warnings":["No documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content","No OpenAPI or schema definition for request or response payloads","Unknown what fields or data the employee/103 endpoint actually returns","This is a single hardcoded employee ID (103); unclear if other IDs are supported or how to discover them"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/103","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/103","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 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty stubs. The actual data returned is completely unknown, making this effectively a stub 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'/docs':171 '/pricing':172 '/readme':175 '/request':17,34 '0.02':16,33,83,118 '000':78 '0x8335':70 '103':47 '20':77 '2913':71 '402':214 '6':88 'Base network API' 'HR data endpoint' 'USDC API' 'accept':54 'access':40,132 'actual':218 'advertis':123 'ai':107 'analyt':106 'api':7,24,102,125,161 'attach':148 'avail':227 'base':9,26,65,79 'base-network' 'broader':96 'call':4,21 'caller':147 'categori':103 'challeng':215 'confirm':209 'connect':181 'contain':205 'content':187 'contract':69 'cost':75 'data':6,23,43,105,219 'decim':89 'descript':198 'document':163 'employe':5,22,42,45,203 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,91,207 'entir':136 'equal':82 'exampl':195 'extrem':168 'field':201 'financ':110 'handl':135 'header':145 'includ':104 'infrastructur':113 'instant':131 'json':59 'json-response' 'key':126,162 'learn':109 'limit':129 'live':210 'lowpaymentfee.com':38,98 'machin':108 'manag':158 'materi':228 'maximum':74 'mean':146 'multipl':101 'network':66 'no-api-key' 'offer':100 'openapi':191 'page':176 'part':93 'pay':2,19 'pay-per-cal':1,18 'pay-per-call API' 'payment':51,60,133,144,152,222 'per':3,20,84,119 'per-call-pricing' 'platform':97,122 'post':55 'price':116 'prompt':183 'proper':213 'protocol':52,140 'provid':39 'rate':128 'rather':156 'record':46,204 'render':178 'request':56,85,120,155 'request/response':194 'return':58,211,220 'schema':192 'settl':10,27,62 'sign':150 'site':166 'spars':169 'specif':44 'subscript':159 'unit':80 'unknown':224 'usdc':12,29,68,86,151 'usdc-settlement' 'use':67,87 'util':114 'via':13,30,48 'wallet':182 'web3':111 'x':143 'x-payment':142 'x402':14,31,50,139 'x402 employee data' 'x402-payment'","prices":[{"id":"f5634037-691f-4810-b16c-0c6713e5a6b4","listingId":"abbb8842-c15a-49ba-9116-3e1933de76c5","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/103","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:13.211Z"}],"sources":[{"listingId":"abbb8842-c15a-49ba-9116-3e1933de76c5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/103","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.211Z","lastSeenAt":"2026-04-25T11:33:15.508Z"}],"details":{"listingId":"abbb8842-c15a-49ba-9116-3e1933de76c5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/103 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <signed-x402-payment-header>\"","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 in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/103"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/103"}],"useCases":["Retrieving employee record data on a per-call basis without managing API keys","Agent-driven workflows that need to fetch HR or personnel data and can pay per request","Demonstrating x402 payment protocol integration with a simple data endpoint"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need on-demand employee data without subscription overhead","Low-volume or sporadic data lookups where pay-per-call is cost-effective"],"notFor":["High-volume 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":"2026-02-17T23:13:19.644Z"},"updatedAt":"2026-04-25T11:33:15.508Z"}}