{"id":"955c2369-2185-4565-9473-d06eaa3f91af","shortId":"DHVJx8","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 records via the x402 payment protocol. The specific resource `/api/v1/employees/65` returns JSON data for employee ID 65 when a valid USDC payment is included in the X-PAYMENT header. The endpoint is live and returns a 402 challenge advertising a maximum cost of 20,000 base units of USDC (0.02 USD) on the Base network.\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 with no API keys, no rate limits, and no commitments. Payments settle on-chain on Base using USDC (contract 0x8335…2913). The x402 challenge specifies the \"exact\" payment scheme with a 300-second timeout.\n\nDocumentation is extremely sparse: the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no example payloads available from the crawl. The actual shape of the employee data returned after payment is unknown and must be discovered by making a paid request.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","per-call-pricing","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","employee record lookup","paid data endpoint","x402 employee data","USDC API","Base network API","lowpaymentfee","micropayment API"],"warnings":["No OpenAPI or schema documentation available — response format is entirely unknown","All doc/pricing/README pages render only 'Connect wallet' with no usable content","The specific endpoint /api/v1/employees/65 is not listed on the provider's landing page catalog, raising questions about whether it is a production resource or a demo/test record","Cannot verify what employee data fields are returned without making a paid request"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/65","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/65","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 402 challenge with clear pricing. However, there is no OpenAPI spec, no documented request/response schema, no example payloads, and all documentation pages are empty beyond a wallet-connect prompt. The actual data returned is 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'/request':17,34 '0.02':16,33,94,125 '000':89 '0x8335':148 '20':88 '2913':149 '300':160 '402':81 '65':60 'Base network API' 'USDC API' 'access':40 'actual':202 'advertis':83 'ai/ml':116 'analyt':115 'api':7,24,112,130,169 'avail':197 'base':9,26,90,98,144 'base-network' 'broader':105 'call':4,21,111 'catalog':106 'chain':142 'challeng':82,152 'commit':137 'connect':178 'content':184 'contract':147 'cost':86 'crawl':200 'data':6,23,43,56,114,207 'discov':216 'doc':168 'document':163 'employe':5,22,42,58,206 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,75 'exact':155 'exampl':195 'extrem':165 'finance/web3':118 'header':73 'host':103 'id':59 'includ':67 'infer':117 'infrastructur':120 'json':55 'json-response' 'key':131 'limit':134 'live':77 'lowpaymentfee' 'lowpaymentfee.com':38,102 'make':218 'maximum':85 'micropayment API' 'must':214 'network':99 'no-api-key' 'on-chain':140 'openapi':188 'page':173 'paid':220 'paid data endpoint' 'pay':2,19,109 'pay-per-cal':1,18,108 'payload':196 'payment':48,65,72,138,156,210 'per':3,20,110,126 'per-call-pricing' 'price':123,170 'prompt':180 'protocol':49 'provid':39,101 'rate':133 'readm':172 'record':44 'render':175 'request':127,221 'request/response':191 'resourc':52 'return':54,79,208 'schema':192 'scheme':157 'second':161 'settl':10,27,139 'shape':203 'span':113 'spars':166 'spec':189 'specif':51 'specifi':153 'timeout':162 'unit':91 'unknown':212 'usd':95 'usdc':12,29,64,93,146 'usdc-settlement' 'use':145 'util':121 'valid':63 'via':13,30,45 'wallet':179 'x':71 'x-payment':70 'x402':14,31,47,151 'x402 employee data' 'x402-payment'","prices":[{"id":"4f184023-9f2e-4847-8d36-e06f21a5b524","listingId":"955c2369-2185-4565-9473-d06eaa3f91af","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/65","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:17.160Z"}],"sources":[{"listingId":"955c2369-2185-4565-9473-d06eaa3f91af","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/65","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.160Z","lastSeenAt":"2026-04-24T09:33:12.244Z"}],"details":{"listingId":"955c2369-2185-4565-9473-d06eaa3f91af","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/65 \\\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 402 with x402 challenge advertising maxAmountRequired of 20000 base units USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/65"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/65"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider offers APIs across data & analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee records by ID with per-call USDC micropayments","Integrating pay-per-use data access into agent workflows without API key management","Demonstrating x402 payment protocol integration on Base"],"bestFor":["Agents or applications that need on-demand employee data without subscription commitments","Developers experimenting with x402 payment-gated APIs","Low-volume, pay-as-you-go data retrieval"],"notFor":["High-volume bulk employee data exports (no documented batch endpoint)","Users who need detailed API documentation or guaranteed response schemas before purchasing"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.045Z"},"updatedAt":"2026-04-24T09:33:12.244Z"}}