{"id":"a9ff43a4-9874-444f-99d8-51d809f899c7","shortId":"gUXGrk","kind":"x402","title":"Pay-per-call employee data endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call employee data endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This x402-enabled endpoint at lowpaymentfee.com serves employee data (specifically record ID 179) behind a micropayment wall. It 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). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/Web3 data (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints appear to share the same $0.02/request pricing model. However, this specific listing covers only the `/api/v1/employees/179` endpoint, which is categorized under what appears to be a sample or demo employee record resource.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned 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 (402 challenge captured), but the actual data payload and its usefulness remain unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-response","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee record API","staff data endpoint","personnel lookup","x402 micropayment API","pay-per-request data","lowpaymentfee employee"],"warnings":["No documentation available — all doc pages return only 'Connect wallet' with no content","No OpenAPI or schema describing request parameters or response fields","The endpoint targets a single hardcoded employee ID (179); unclear if this is a demo or production resource","No information on what data fields are returned in the employee record"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/179","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/179","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, no documentation beyond a wallet-connect prompt, and the purpose of an 'employees/179' endpoint is unclear. This is effectively a stub 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'/request':17,34,160 '0.02':16,33,83,159 '000':78 '0x8335':70 '179':48 '20':77 '2913':71 '402':233 '6':88 'accept':54 'actual':238 'ai/ml':128 'analysi':131 'analyt':127 'api':91,124,194 'appear':154,177 'attach':100 'base':9,26,65,79 'base-network' 'behind':49 'broader':117 'call':4,21,123 'caller':98 'captur':235 'catalog':118 'categor':174 'challeng':234 'charg':75 'classif':133 'confirm':231 'connect':203 'contain':227 'content':209 'contract':69 'convers':150 'cover':167 'crawl':192 'data':6,23,44,126,136,239 'decim':89 'demo':183 'descript':220 'doc':193 'document':187 'embed':134 'employe':5,22,43,184,225 'employee record API' 'employee-data' 'enabl':38 'endpoint':7,24,39,153,171,229 'equal':82 'estim':144 'exampl':217 'exchang':139 'extrem':189 'feed':138 'field':223 'finance/web3':135 'gas':143 'generat':151 'geocod':148 'header':105 'host':115 'howev':163 'id':47 'infer':129 'infrastructur':146 'json':59 'json-response' 'key':92 'limit':95 'list':166 'live':232 'lowpaymentfee employee' 'lowpaymentfee.com':41,114 'maximum':74 'micropay':51 'model':162 'network':66 'no-api-key' 'openapi':213 'page':198 'pay':2,19,121 'pay-per-cal':1,18,120 'pay-per-call' 'pay-per-request data' 'payload':240 'payment':60,104,110 'per':3,20,84,122 'personnel lookup' 'post':55 'price':137,161,195 'prompt':205 'proof':111 'provid':113 'quot':142 'rate':94,140 'readm':197 'record':46,185,226 'remain':244 'request':56,85 'request/response':216 'requir':97 'resourc':186 'return':58,200 'sampl':181 'schema':214 'sentiment':130 'serv':42 'settl':12,29,62 'share':156 'simpli':99 'span':125 'spars':190 'specif':45,165 'staff data endpoint' 'substant':208 'summar':132 'token':141 'unit':80 'unknown':245 'usdc':14,31,68,86 'usdc-settlement' 'use':67,87,243 'util':147 'valid':108,149 'via':10,27 'wall':52 'wallet':204 'x':103 'x-payment':102 'x402':11,28,37,109 'x402 micropayment API' 'x402-enabled':36 'x402-payment'","prices":[{"id":"1feade63-4939-4d98-9b5e-0b0a4b7e26ba","listingId":"a9ff43a4-9874-444f-99d8-51d809f899c7","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/179","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:15.384Z"}],"sources":[{"listingId":"a9ff43a4-9874-444f-99d8-51d809f899c7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/179","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.384Z","lastSeenAt":"2026-04-24T21:04:37.757Z"}],"details":{"listingId":"a9ff43a4-9874-444f-99d8-51d809f899c7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/179 \\\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":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/179"},{"claim":"maxAmountRequired is 20000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/employees/179"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider hosts additional API categories including Data & Analytics, AI & ML, Finance & Web3, and Infrastructure","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee record data on-demand with per-call USDC micropayments","Demonstrating x402 payment protocol integration on the Base network","Agent-driven data retrieval without API key provisioning"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need keyless, pay-per-call data access on Base","Low-volume, on-demand employee data lookups"],"notFor":["Bulk employee data exports or high-throughput HR integrations","Users who need detailed API documentation or guaranteed SLAs","Anyone needing data beyond a single employee record (ID 179)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.699Z"},"updatedAt":"2026-04-24T21:04:37.757Z"}}