{"id":"83a55ff9-f432-4f54-9159-9639114b7bc9","shortId":"cm5w3g","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 197) 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, finance, and utility categories, all gated behind x402 micropayments on the Base network.\n\nThe specific resource `/api/v1/employees/197` returns JSON data when a valid x402 payment header is included with a POST request. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (contract 0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout window.\n\nThe platform advertises no API keys, no rate limits, and instant access. However, the specific data returned by this employee endpoint is not documented — there is no OpenAPI schema, no example response, and the docs/pricing/README pages all render only a wallet-connect prompt with no additional content. The endpoint is confirmed live (402 challenge captured), but the actual payload structure and the nature of the employee data remain unknown.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","employee-data","pay-per-request","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 data endpoint","micropayment API","pay-per-call employee data","Base USDC API"],"warnings":["No documentation available — docs, pricing, and README pages all render only a wallet-connect prompt with no content.","No OpenAPI or output schema describing the employee data structure returned by this endpoint.","The nature and source of 'employee' data is completely undocumented; it is unclear whether this is sample/demo data or real records.","Specific endpoint /api/v1/employees/197 is not listed on the provider's homepage among advertised APIs, raising questions about its intended use."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/197","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/197","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live with a valid x402 402 challenge, but there is no OpenAPI schema, no example responses, no documentation of what the employee data contains, and the docs/pricing pages are empty beyond a wallet-connect prompt. The listing is effectively a stub with only the payment challenge providing concrete 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'0.02':10,24,119 '000':107 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':131 '0x8335':113 '197':40 '20':106 '2913':114 '300':134 '402':191 '6':124 'Base USDC API' 'access':34,149 'across':62 'actual':196 'addit':184 'address':130 'advertis':101,140 'ai/ml':65 'analyt':64 'api':60,142 'base':8,22,77,108,116 'base-network' 'behind':72 'broader':51 'call':59 'captur':193 'categori':69 'challeng':100,192 'confirm':189 'connect':180 'content':185 'contract':112 'cost':104 'data':5,19,63,85,153,205 'decim':125 'docs/pricing/readme':172 'document':161 'dozen':54 'employe':4,18,37,157,204 'employee API' 'employee record lookup' 'employee-data' 'endpoint':6,20,30,61,158,187 'equal':118 'exampl':168 'financ':66 'gate':3,17,71 'header':91 'howev':150 'id':39 'includ':93 'instant':148 'json':84 'json-response' 'key':143 'limit':146 'live':190 'lowpaymentfee.com':32 'maximum':103 'micropay':74 'micropayment API' 'natur':201 'network':78 'no-api-key' 'offer':53 'openapi':165 'page':173 'part':48 'pay':9,23,57 'pay-per-cal':56 'pay-per-call employee data' 'pay-per-request' 'payload':197 'payment':44,90,126 'per':11,25,58,120 'platform':52,139 'post':96 'prompt':181 'protocol':45 'provid':33 'rate':145 'record':38 'remain':206 'render':175 'request':12,26,97,121 'resourc':81 'respons':169 'return':83,154 'schema':166 'second':135 'sent':128 'specif':80,152 'structur':198 'timeout':136 'unit':109 'unknown':207 'usdc':14,28,111,122 'usdc-micropayment' 'use':123 'util':68 'valid':88 'via':41 'wallet':179 'wallet-connect':178 'window':137 'x402':2,16,43,73,89,99 'x402 data endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"59f73305-aa17-4f27-aec2-6d202069e520","listingId":"83a55ff9-f432-4f54-9159-9639114b7bc9","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/197","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:15.992Z"}],"sources":[{"listingId":"83a55ff9-f432-4f54-9159-9639114b7bc9","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/197","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.992Z","lastSeenAt":"2026-04-24T17:34:04.387Z"}],"details":{"listingId":"83a55ff9-f432-4f54-9159-9639114b7bc9","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/197 \\\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":"The x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base network with a 300-second timeout.","source_url":"https://lowpaymentfee.com/api/v1/employees/197"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.","source_url":"https://lowpaymentfee.com/api/v1/employees/197"}],"useCases":["Retrieving employee record data on-demand with per-request USDC micropayments","Integrating pay-per-call employee lookups into agent workflows without API key management","Demonstrating x402 protocol payment flows on Base network"],"bestFor":["Agents or applications needing on-demand employee data without subscription commitments","Developers experimenting with x402 micropayment-gated APIs","Low-volume, pay-as-you-go data retrieval"],"notFor":["Bulk employee data exports or high-volume batch processing (no documented batch endpoint)","Users who need detailed schema documentation or guaranteed SLAs before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.801Z"},"updatedAt":"2026-04-24T17:34:04.387Z"}}