{"id":"3f5b522d-9dc4-469d-a462-a8f884167839","shortId":"eRn7db","kind":"x402","title":"x402-gated employee data endpoint on Base, pay-per-request with USDC.","tagline":"x402-gated employee data endpoint on Base, pay-per-request with USDC.","description":"This endpoint at lowpaymentfee.com provides access to an employee record (ID 57) behind an x402 payment wall. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) at a cost of $0.02 per request (20,000 base units with 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe broader lowpaymentfee.com platform advertises a range of x402-gated APIs spanning data analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance/Web3 data (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at the same $0.02/request price point. However, the specific endpoint being listed here (/api/v1/employees/57) is not mentioned on the site's landing page, and no documentation or schema for the employees resource was found in the crawl. The response format and fields are unknown beyond the declared mimeType of application/json.\n\nThe endpoint is confirmed live — it returns a proper 402 challenge with x402 version 1 headers. Documentation pages (/docs, /pricing, /README) all returned only a \"Connect wallet\" prompt with no substantive content, so details about the employee data model, available fields, or query parameters remain unverified.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-response","pay-per-request","no-api-key"],"categories":["data"],"synonyms":["employee API","staff record","personnel data","worker info","HR endpoint","employee lookup","x402 data API"],"warnings":["The /api/v1/employees/57 endpoint is not listed among the provider's advertised APIs on the landing page — its purpose and data model are unverified.","All documentation pages (/docs, /pricing, /README) returned only a 'Connect wallet' prompt with no usable content.","No response schema or example output is available; the structure of the returned employee data is unknown.","The 'employees' resource name suggests personally identifiable information — callers should consider data privacy implications."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/57","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/57","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, but there is no OpenAPI schema, no documentation, no example responses, and the /api/v1/employees/57 path is not even listed on the provider's own landing page. The data model is entirely 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'/docs':214 '/pricing':215 '/readme':216 '/request':149 '0.02':70,148 '000':74 '0x8335':64 '1':210 '20':73 '2913':65 '402':205 '57':40 '6':78 'HR endpoint' 'accept':48 'access':34 'advertis':106 'ai/ml':117 'analysi':120 'analyt':116 'api':81,113 'application/json':195 'attach':90 'avail':235 'base':8,22,59,75 'base-network' 'behind':41 'beyond':190 'broader':103 'caller':88 'challeng':206 'classif':122 'confirm':199 'connect':221 'content':227 'contract':63 'convers':139 'cost':68 'crawl':182 'data':5,19,115,125,233 'decim':79 'declar':192 'detail':229 'document':171,212 'embed':123 'employe':4,18,37,176,232 'employee API' 'employee lookup' 'employee-data' 'endpoint':6,20,30,47,142,155,197 'estim':133 'exchang':128 'feed':127 'field':187,236 'finance/web3':124 'format':185 'found':179 'gas':132 'gate':3,17,112 'generat':140 'geocod':137 'header':95,211 'howev':152 'id':39 'infer':118 'infrastructur':135 'json':53 'json-response' 'key':82 'land':167 'limit':85 'list':144,157 'live':200 'lowpaymentfee.com':32,104 'mention':162 'mimetyp':193 'model':234 'network':60 'no-api-key' 'page':168,213 'paramet':239 'pay':10,24 'pay-per-request':9,23 'payment':44,54,94,100 'per':11,25,71 'personnel data' 'platform':105 'point':151 'post':49 'price':126,150 'prompt':223 'proof':101 'proper':204 'provid':33 'queri':238 'quot':131 'rang':108 'rate':84,129 'record':38 'remain':240 'request':12,26,50,72 'requir':87 'resourc':177 'respons':184 'return':52,202,218 'schema':173 'sentiment':119 'settl':56 'simpli':89 'site':165 'span':114 'specif':154 'staff record' 'substant':226 'summar':121 'token':130 'unit':76 'unknown':189 'unverifi':241 'usdc':14,28,62 'usdc-settlement' 'use':61 'util':136 'valid':98,138 'version':209 'wall':45 'wallet':222 'worker info' 'x':93 'x-payment':92 'x402':2,16,43,99,111,208 'x402 data API' 'x402-gated':1,15,110 'x402-payment'","prices":[{"id":"65fd3b4c-6a8e-455f-849e-5ca1e45af864","listingId":"3f5b522d-9dc4-469d-a462-a8f884167839","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/57","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:17.141Z"}],"sources":[{"listingId":"3f5b522d-9dc4-469d-a462-a8f884167839","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/57","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.141Z","lastSeenAt":"2026-04-24T09:33:12.196Z"}],"details":{"listingId":"3f5b522d-9dc4-469d-a462-a8f884167839","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/57 \\\n  -H \"X-PAYMENT: <x402_payment_proof>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with x402 version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units.","source_url":"https://lowpaymentfee.com/api/v1/employees/57"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.","source_url":"https://lowpaymentfee.com/api/v1/employees/57"},{"claim":"The landing page lists all endpoints at $0.02/request with no API keys, no rate limits, and instant access on Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The /api/v1/employees/57 path is not listed among the provider's advertised API categories on the landing page.","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee record data on a per-request payment basis","Agent-driven lookups of individual employee information without API key management","Programmatic access to employee details settled via USDC on Base"],"bestFor":["Agents that need on-demand employee data without subscription commitments","Developers testing x402 payment flows with a low-cost endpoint","Scenarios requiring keyless, pay-as-you-go API access"],"notFor":["Bulk employee data exports or batch queries (single-record endpoint)","Users who need detailed documentation or guaranteed SLA before integrating","Non-crypto workflows that cannot settle payments on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:14.134Z"},"updatedAt":"2026-04-24T09:33:12.196Z"}}