{"id":"00f07c2d-8164-45cd-94d1-147c3d4ea4ca","shortId":"44hSHy","kind":"x402","title":"Pay-per-call HR reviews endpoint on Base via x402 — $0.02 per request in USDC.","tagline":"Pay-per-call HR reviews endpoint on Base via x402 — $0.02 per request in USDC.","description":"This endpoint at `/api/v1/hr/reviews/27` is part of the lowpaymentfee.com platform, a collection of x402-enabled APIs spanning data analytics, AI/ML, finance, infrastructure, and more. Each endpoint charges $0.02 per request, settled in USDC on the Base network, with no API keys, rate limits, or subscriptions required.\n\nThe specific resource `/api/v1/hr/reviews/27` appears to serve HR-related review data (likely a single review record identified by ID 27), though it is not listed among the categories on the provider's landing page. The x402 challenge confirms it is live, accepting POST requests and returning `application/json`. Payment is 20,000 base units of USDC (6 decimals) = $0.02, sent to `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` on Base.\n\nDocumentation is minimal — the landing page describes the platform's pricing model and lists other endpoints, but provides no schema details, example payloads, or response formats for this or any endpoint. The `/api`, `/pricing`, and `/README` pages all resolve to a \"Connect wallet\" prompt with no additional content. Because of this, the exact request body format and response structure are unknown.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-call","json-response","hr-reviews","no-api-key","no-rate-limit"],"categories":["data"],"synonyms":["HR review API","employee review data","human resources reviews","lowpaymentfee","x402 HR endpoint","pay-per-request API","Base USDC API"],"warnings":["This specific endpoint (/api/v1/hr/reviews/27) is not listed among the provider's advertised APIs on the landing page.","No request body schema or response schema is documented anywhere.","All non-root pages (/api, /pricing, /README) return only a 'Connect wallet' prompt with no useful content.","The purpose and data returned by 'hr/reviews/27' is inferred from the URL path only — no authoritative description exists."],"endpointUrl":"https://lowpaymentfee.com/api/v1/hr/reviews/27","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/hr/reviews/27","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no request/response schema, and this specific HR reviews path is not even listed on the provider's own landing page. Effectively a stub with verified 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'/api/v1/hr/reviews/27':36,83 '/pricing':177 '/readme':179 '0.02':12,28,61,138 '000':131 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':141 '20':130 '27':100 '6':136 'Base USDC API' 'HR review API' 'accept':122 'addit':190 'ai/ml':53 'among':106 'analyt':52 'api':49,73 'appear':84 'application/json':127 'base':9,25,69,132,143 'bodi':198 'call':4,20 'categori':108 'challeng':117 'charg':60 'collect':44 'confirm':118 'connect':185 'content':191 'data':51,91 'decim':137 'describ':150 'detail':164 'document':144 'employee review data' 'enabl':48 'endpoint':7,23,34,59,159,174 'exact':196 'exampl':165 'financ':54 'format':169,199 'hr':5,21,88 'hr-relat':87 'hr-reviews' 'human resources reviews' 'id':99 'identifi':97 'infrastructur':55 'json-response' 'key':74 'land':113,148 'like':92 'limit':76 'list':105,157 'live':121 'lowpaymentfee' 'lowpaymentfee.com':41 'minim':146 'model':155 'network':70 'no-api-key' 'no-rate-limit' 'page':114,149,180 'part':38 'pay':2,18 'pay-per-cal':1,17 'pay-per-call' 'pay-per-request API' 'payload':166 'payment':128 'per':3,13,19,29,62 'platform':42,152 'post':123 'price':154 'prompt':187 'provid':111,161 'rate':75 'record':96 'relat':89 'request':14,30,63,124,197 'requir':79 'resolv':182 'resourc':82 'respons':168,201 'return':126 'review':6,22,90,95 'schema':163 'sent':139 'serv':86 'settl':64 'singl':94 'span':50 'specif':81 'structur':202 'subscript':78 'though':101 'unit':133 'unknown':204 'usdc':16,32,66,135 'usdc-base' 'via':10,26 'wallet':186 'x402':11,27,47,116 'x402 HR endpoint' 'x402-enabled':46 'x402-payment'","prices":[{"id":"5662ae4b-62c1-4234-b59c-9275a0b259a3","listingId":"00f07c2d-8164-45cd-94d1-147c3d4ea4ca","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/hr/reviews/27","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:20.180Z"}],"sources":[{"listingId":"00f07c2d-8164-45cd-94d1-147c3d4ea4ca","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/hr/reviews/27","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:20.180Z","lastSeenAt":"2026-04-23T15:02:14.564Z"}],"details":{"listingId":"00f07c2d-8164-45cd-94d1-147c3d4ea4ca","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/hr/reviews/27 \\\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":"The platform charges $0.02 per request with no API keys, rate limits, or minimums.","source_url":"https://lowpaymentfee.com"},{"claim":"Payment is in USDC on the Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The x402 challenge returns maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base.","source_url":"https://lowpaymentfee.com/api/v1/hr/reviews/27"}],"useCases":["Retrieving HR review data for a specific review record","Integrating employee review information into HR dashboards","Agent-driven on-demand access to HR review records without subscription"],"bestFor":["Agents needing one-off HR review lookups without API key management","Developers prototyping with pay-per-call data endpoints on Base","Scenarios where zero-commitment, no-subscription access to HR data is preferred"],"notFor":["Bulk retrieval of large HR datasets (no documented batch endpoint)","Use cases requiring detailed API documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:09.517Z"},"updatedAt":"2026-04-23T15:02:14.564Z"}}