{"id":"85ef43ca-af69-431c-8e64-16afa5c9c863","shortId":"MGqz9s","kind":"x402","title":"x402-gated employee data endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated employee data endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to an employee record (ID 131) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-call API endpoints across data analytics, AI/ML inference, finance, crypto, and utility categories — all gated behind x402 micropayments on the Base network.\n\nThe specific resource `/api/v1/employees/131` returns JSON and costs up to $0.02 per request (20,000 base units of USDC on Base, which has 6 decimals). Payment is made via the x402 \"exact\" scheme by sending USDC to the specified payTo address. No API keys, rate limits, or upfront commitments are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nDocumentation on the site is extremely thin: the docs, pricing, API, 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 explanation of what fields the employee record contains. The endpoint is confirmed live (returns a proper 402 challenge), but the actual data payload and its structure are unknown. Prospective callers should be aware that this is essentially a black-box endpoint with no published documentation beyond the x402 challenge metadata.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","employee-data","json-response","no-api-key"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 employee endpoint","lowpaymentfee API","micropayment API","Base USDC API","pay-per-call data"],"warnings":["No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'","No OpenAPI or output schema published; response structure is completely unknown","The endpoint path suggests a single hardcoded employee record (ID 131); unclear if other IDs are supported","The 'Premium API Access' title is generic and does not describe the actual data returned","The broader platform lists many endpoints but none have published schemas or documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/131","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/131","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 402 challenge, confirming it exists and accepts USDC on Base. However, there is no OpenAPI spec, no documentation, no request/response schema, and no explanation of what data is actually returned. The crawled docs/pricing/API pages are all empty beyond a wallet connect prompt. This is effectively a stub 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'0.02':10,24,91 '000':95 '131':40 '20':94 '402':197 '6':104 'Base USDC API' 'access':34 'across':62 'actual':201 'address':121 'ai/ml':65 'analyt':64 'api':60,123,156 'attach':134 'awar':213 'base':8,22,79,96,101 'behind':74 'beyond':227 'black':220 'black-box':219 'box':221 'broader':51 'call':59 'caller':132,210 'categori':71 'challeng':198,230 'commit':129 'confirm':192 'connect':164 'contain':188 'content':170 'cost':88 'crypto':68 'data':5,19,63,202 'decim':105 'doc':154 'document':146,226 'dozen':54 'employe':4,18,37,186 'employee API' 'employee record lookup' 'employee-data' 'endpoint':6,20,30,61,190,222 'essenti':217 'exact':112 'explan':181 'extrem':151 'field':184 'financ':67 'gate':3,17,73 'header':139 'id':39 'infer':66 'json':86 'json-response' 'key':124 'limit':126 'live':193 'lowpaymentfee API' 'lowpaymentfee.com':32 'made':108 'metadata':231 'micropay':76 'micropayment API' 'network':80 'no-api-key' 'offer':53 'openapi':174 'page':159 'part':48 'pay':9,23,57 'pay-per-cal':56 'pay-per-call data' 'pay-per-request' 'payload':203 'payment':44,106,138,144 'payto':120 'per':11,25,58,92 'platform':52 'price':155 'prompt':166 'proof':145 'proper':196 'prospect':209 'protocol':45 'provid':33 'publish':225 'rate':125 'readm':158 'record':38,187 'render':161 'request':12,26,93 'request/response':177 'requir':131 'resourc':83 'return':85,194 'schema':178 'scheme':113 'send':115 'simpli':133 'site':149 'spec':175 'specif':82 'specifi':119 'structur':206 'thin':152 'unit':97 'unknown':208 'upfront':128 'usdc':14,28,99,116 'usdc-base' 'util':70 'valid':142 'via':41,109 'wallet':165 'x':137 'x-payment':136 'x402':2,16,43,75,111,143,229 'x402 employee endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"ce8bc8dd-7ad9-49a8-8bd2-0bca50eb4cdf","listingId":"85ef43ca-af69-431c-8e64-16afa5c9c863","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/131","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:14.082Z"}],"sources":[{"listingId":"85ef43ca-af69-431c-8e64-16afa5c9c863","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/131","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.082Z","lastSeenAt":"2026-04-25T05:33:45.906Z"}],"details":{"listingId":"85ef43ca-af69-431c-8e64-16afa5c9c863","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/131 \\\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 a 402 challenge with x402Version 1, exact scheme, USDC on Base network, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/131"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/131"},{"claim":"Docs, pricing, API, and README pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee record data for ID 131 via a single paid API call","Demonstrating x402 micropayment integration on the Base network","Programmatic access to employee information without API key registration"],"bestFor":["Developers experimenting with x402 payment protocol","Agents that need on-demand employee data without subscription overhead","Quick one-off lookups where no API key setup is desired"],"notFor":["Bulk employee data retrieval (single-record endpoint, no batch support documented)","Users who need detailed documentation or guaranteed SLA","Production systems requiring well-documented response schemas"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.396Z"},"updatedAt":"2026-04-25T05:33:45.906Z"}}