{"id":"1e2d7813-9c57-4d17-b699-d3c1ac51ebbf","shortId":"ZVgD4G","kind":"x402","title":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data (specifically employee record #91) 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 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 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. Payments are handled entirely through the x402 protocol on the Base L2 network.\n\nThe specific endpoint `/api/v1/employees/91` appears to serve a single employee record. There is no OpenAPI schema, no documentation beyond the landing page, and no example request/response payloads available. The endpoint is confirmed live (returns a proper 402 challenge), but the exact shape of the response data and what fields are included in an employee record remain unknown.","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 data API","pay-per-request API","Base USDC API","lowpaymentfee","personnel data endpoint"],"warnings":["No OpenAPI or schema documentation available — response shape is unknown","The /docs, /pricing, and /README pages returned no meaningful content","Employee data endpoints may involve personally identifiable information (PII) — verify compliance requirements","This is a single-record endpoint (/employees/91); unclear if other employee IDs are accessible or what the data contains"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/91","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/91","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge with clear pricing, but there is no OpenAPI schema, no documentation, no example request/response, and the purpose of the employee data endpoint is only vaguely described. The crawled docs/pricing/README pages all returned only 'Connect wallet' with no useful 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'/request':17,34 '0.02':16,33,83,135 '000':78 '0x8335':70 '20':77 '2913':71 '402':198 '6':88 '91':47 'Base USDC API' 'accept':54 'access':40 'ai/ml':106 'analysi':109 'analyt':105 'api':7,24,102,140 'appear':166 'avail':189 'base':9,26,65,79,159 'base-network' 'beyond':180 'broader':95 'call':4,21,101 'catalog':96 'challeng':199 'classif':111 'commit':148 'confirm':193 'contract':69 'convers':128 'cost':75 'data':6,23,43,104,207 'decim':89 'document':179 'embed':112 'employe':5,22,42,45,171,215 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,131,164,191 'entir':152 'equal':82 'estim':122 'exact':202 'exampl':186 'exchang':117 'feed':116 'field':210 'financ':113 'gas':121 'generat':129 'geocod':126 'handl':151 'host':93 'includ':212 'infer':107 'infrastructur':124 'json':59 'json-api' 'key':141 'l2':160 'land':182 'limit':144 'live':194 'lowpaymentfee' 'lowpaymentfee.com':38,92 'maximum':74 'minimum':147 'network':66,161 'no-api-key' 'openapi':176 'page':183 'pay':2,19,99 'pay-per-cal':1,18,98 'pay-per-call' 'pay-per-request API' 'payload':188 'payment':51,60,149 'per':3,20,84,100,136 'personnel data endpoint' 'post':55 'price':115,133 'proper':197 'protocol':52,156 'provid':39,91 'quot':120 'rate':118,143 'record':46,172,216 'remain':217 'request':56,85,137 'request/response':187 'respons':206 'return':58,195 'schema':177 'sentiment':108 'serv':168 'settl':12,29,62 'shape':203 'singl':170 'span':103 'specif':44,163 'summar':110 'token':119 'unit':80 'unknown':218 'usdc':14,31,68,86 'usdc-settlement' 'use':67,87 'util':125 'valid':127 'via':10,27,48 'web3':114 'x402':11,28,50,155 'x402 data API' 'x402-payment'","prices":[{"id":"9d888174-e3d6-4012-aee7-31b666e0fdf6","listingId":"1e2d7813-9c57-4d17-b699-d3c1ac51ebbf","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/91","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:18.039Z"}],"sources":[{"listingId":"1e2d7813-9c57-4d17-b699-d3c1ac51ebbf","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/91","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:18.039Z","lastSeenAt":"2026-04-24T04:33:15.570Z"}],"details":{"listingId":"1e2d7813-9c57-4d17-b699-d3c1ac51ebbf","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/91 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC on Base at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/91"},{"claim":"All endpoints priced at $0.02/request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/91"}],"useCases":["Retrieving employee record data on-demand without API key management","Agent-driven workflows that need to fetch personnel information with micropayments","Demonstrating x402 payment protocol integration for data access"],"bestFor":["Developers exploring x402 payment protocol integrations","Agents needing keyless, pay-per-call access to structured data","Low-volume, on-demand employee data retrieval"],"notFor":["Bulk employee data exports or high-volume HR system integrations","Users who need detailed API documentation or guaranteed SLAs","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:12.794Z"},"updatedAt":"2026-04-24T04:33:15.570Z"}}