{"id":"cb1fca8c-0a20-4df1-a5c8-0607427f6a69","shortId":"xzPbhp","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 #191) via the x402 payment protocol. The endpoint 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 provider lowpaymentfee.com hosts a broader suite of pay-per-call APIs spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are advertised at $0.02 per request with no API keys, no rate limits, and no minimum commitments.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The specific data returned by the /api/v1/employees/191 endpoint is unknown beyond the fact that it serves application/json. The endpoint is confirmed live via a valid 402 challenge.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-api","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 employee endpoint","pay-per-request API","USDC micropayment API","lowpaymentfee API","Base network API"],"warnings":["No API documentation available — /docs, /pricing, /api, and /README pages all show only 'Connect wallet' with no content","No request body schema or response schema documented; the data returned by /api/v1/employees/191 is unknown","No OpenAPI or ai-plugin manifest found","The endpoint path suggests a single hardcoded employee record (#191); unclear if other employee IDs are supported"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/191","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/191","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 with a valid 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documented request/response schema, no examples, and the docs pages are empty stubs. The purpose of the employees/191 endpoint is unclear beyond its URL 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'/api/v1/employees/191':192 '/docs':154 '/pricing':155 '/readme':158 '/request':17,34 '0.02':16,33,84,135 '000':79 '0x8335':71 '191':47 '20':78 '2913':72 '402':211 '6':89 'Base network API' 'USDC micropayment API' 'accept':55 'access':40 'advertis':133 'ai/ml':107 'analysi':109 'analyt':106 'api':7,24,103,140 'application/json':202 'avail':185 'base':9,26,66,80 'base-network' 'beyond':196 'broader':96 'call':4,21,102 'challeng':212 'classif':111 'commit':148 'confirm':206 'connect':164 'contract':70 'convers':128 'cost':76 'data':6,23,43,105,188 'decim':90 'detail':171 'document':149,180 'embed':112 'employe':5,22,42,45 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,54,131,193,204 'equal':83 'estim':122 'exampl':183 'exchang':117 'extrem':151 'fact':198 'feed':116 'financ':113 'gas':121 'generat':129 'geocod':126 'host':94 'infrastructur':124 'json':60 'json-api' 'key':141 'limit':144 'live':207 'lowpaymentfee API' 'lowpaymentfee.com':38,93 'maximum':75 'minimum':147 'network':67 'no-api-key' 'openapi':175 'page':159 'pay':2,19,100 'pay-per-cal':1,18,99 'pay-per-call' 'pay-per-request API' 'payload':184 'payment':51,61 'per':3,20,85,101,136 'post':56 'price':115 'prompt':166 'protocol':52 'provid':39,92 'quot':120 'rate':118,143 'record':46 'render':161 'request':57,86,137 'request/response':178 'return':59,189 'schema':179 'sentiment':108 'serv':201 'settl':10,27,63 'span':104 'spars':152 'spec':176 'specif':44,187 'suit':97 'summar':110 'technic':170 'token':119 'unit':81 'unknown':195 'usdc':12,29,69,87 'usdc-settlement' 'use':68,88 'util':125 'valid':127,210 'via':13,30,48,208 'wallet':165 'web3':114 'x402':14,31,50 'x402 employee endpoint' 'x402-payment'","prices":[{"id":"03069fc4-8f24-417b-87e6-18f5e924e85b","listingId":"cb1fca8c-0a20-4df1-a5c8-0607427f6a69","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/191","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":"cb1fca8c-0a20-4df1-a5c8-0607427f6a69","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/191","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.700Z","lastSeenAt":"2026-04-24T19:04:56.066Z"}],"details":{"listingId":"cb1fca8c-0a20-4df1-a5c8-0607427f6a69","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/191 \\\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 payment on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/191"},{"claim":"All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/191"}],"useCases":["Retrieving employee record data on a per-call payment basis without API key management","Integrating employee data lookups into agent workflows that support x402 payments","Demonstrating x402 micropayment protocol usage with USDC on Base"],"bestFor":["Agents or applications that support x402 payment protocol","Use cases requiring keyless, pay-per-call access to employee data","Developers experimenting with crypto-settled API micropayments"],"notFor":["Bulk employee data retrieval (no documented batch endpoints)","Users who need detailed API documentation or request/response schemas before integration","Applications that cannot settle payments in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.249Z"},"updatedAt":"2026-04-24T19:04:56.066Z"}}