{"id":"d5e06fbd-a37d-4d18-978b-b61613de2610","shortId":"JfZxc3","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 record ID 194) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum charge of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals).\n\nThe provider lowpaymentfee.com hosts a broader catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request. This specific endpoint falls under what appears to be a sample or demonstration resource (employees/194). No API keys or rate limits are advertised; callers simply attach an x402 payment header to each request.\n\nDocumentation is extremely sparse. The docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no substantive 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 payload and its usefulness remain unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","pay-per-call","json-response"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 data endpoint","pay-per-request API","lowpaymentfee","USDC micropayment API","Base network API"],"warnings":["No API documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'","No OpenAPI or JSON schema describing request parameters or response fields","The specific resource '/employees/194' appears to be a single hardcoded record; unclear if other IDs are supported","Employee data endpoints may involve personally identifiable information (PII) — verify compliance requirements"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/194","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/194","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI schema, no request/response examples, and no documentation beyond a wallet-connect prompt. The nature and structure of the employee data returned is entirely 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'0.02':16,33,83,115 '000':78 '0x8335':70 '194':47 '20':77 '2913':71 '402':199 '6':88 'Base network API' 'USDC micropayment API' 'accept':54 'access':40 'actual':203 'advertis':140 'ai/ml':106 'analyt':105 'api':7,24,102,134,158 'appear':124 'attach':143 'base':9,26,65,79 'base-network' 'behind':48 'broader':95 'call':4,21,101 'caller':141 'catalog':96 'challeng':200 'charg':75 'confirm':194 'connect':166 'contain':190 'content':172 'contract':69 'data':6,23,43,104,204 'decim':89 'demonstr':130 'descript':183 'doc':156 'document':151 'employe':5,22,42,188 'employee API' 'employee record lookup' 'employee-data' 'employees/194':132 'endpoint':36,53,120,192 'equal':82 'exampl':180 'extrem':153 'fall':121 'field':186 'finance/web3':108 'header':147 'host':93 'id':46 'infer':107 'infrastructur':110 'json':59 'json-response' 'key':135 'limit':138 'live':195 'lowpaymentfee' 'lowpaymentfee.com':38,92 'maximum':74 'network':66 'openapi':176 'page':161 'pay':2,19,99 'pay-per-cal':1,18,98 'pay-per-call' 'pay-per-request API' 'payload':205 'payment':60,146 'paywal':51 'per':3,20,84,100,116 'post':55 'price':113,157 'prompt':168 'proper':198 'provid':39,91 'rate':137 'readm':160 'record':45,189 'remain':209 'render':163 'request':56,85,117,150 'request/response':179 'resourc':131 'return':58,196 'sampl':128 'schema':177 'settl':10,27,62 'simpli':142 'span':103 'spars':154 'specif':44,119 'substant':171 'unit':80 'unknown':210 'usdc':12,29,68,86 'usdc-settlement' 'use':67,87,208 'util':111 'via':13,30 'wallet':167 'x402':14,31,50,145 'x402 data endpoint' 'x402-payment'","prices":[{"id":"ada1d09f-47ec-404b-92df-223327eeea1a","listingId":"d5e06fbd-a37d-4d18-978b-b61613de2610","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/194","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:15.700Z"}],"sources":[{"listingId":"d5e06fbd-a37d-4d18-978b-b61613de2610","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/194","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.700Z","lastSeenAt":"2026-04-24T18:33:29.573Z"}],"details":{"listingId":"d5e06fbd-a37d-4d18-978b-b61613de2610","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/194 \\\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":"Endpoint returns HTTP 402 with x402 challenge on POST, confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/employees/194"},{"claim":"Payment is 20,000 base units of USDC on Base (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/employees/194"},{"claim":"Provider advertises $0.02/request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee record data with per-call USDC micropayments","Demonstrating x402 payment protocol integration on Base","Agent-driven data retrieval without API key management"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing keyless, pay-per-call data access on Base","Low-volume, on-demand employee data lookups"],"notFor":["Production HR systems needing bulk employee data exports","Users who need detailed API documentation before integrating","Applications requiring sub-cent transaction costs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.256Z"},"updatedAt":"2026-04-24T18:33:29.573Z"}}