{"id":"5f602d33-63c4-4539-ae62-3ea2cdfa623f","shortId":"Bbpntr","kind":"x402","title":"Pay-per-call HR reviews endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call HR reviews endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to an HR reviews resource (specifically review ID 11) via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance, crypto, infrastructure utilities, and more — all priced at $0.02 per request and settled in USDC on the Base network.\n\nThe specific endpoint `/api/v1/hr/reviews/11` is not listed on the provider's landing page among the advertised API categories, which focus on analytics, AI, finance, and utilities. It appears to be an HR-domain resource (employee or company reviews), though no documentation, request schema, or response schema is available. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires a payment of up to 20,000 base units of USDC (0.02 USD) on Base.\n\nNo API keys or rate limits are advertised. Payment is the sole access control mechanism: callers attach an X-PAYMENT header with a valid x402 payment proof. The platform emphasizes simplicity — no minimums, no commitments, instant access. However, documentation is extremely sparse; there is no OpenAPI spec, no example requests or responses, and the HR reviews category is not mentioned anywhere on the site's public pages.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-call","hr-reviews","json-response","no-api-key","post-method"],"categories":["data","hr"],"synonyms":["employee reviews API","HR data endpoint","company reviews","human resources reviews","x402 paid API","lowpaymentfee","Base USDC API"],"warnings":["The /api/v1/hr/reviews/11 path is not listed among the provider's advertised API categories — it may be undocumented, experimental, or a placeholder.","No request or response schema is available; callers cannot know what fields to send or expect back.","No OpenAPI spec, README, or detailed docs were found on the site.","The crawled /api, /pricing, and /README pages returned only a 'Connect wallet' prompt with no useful content."],"endpointUrl":"https://lowpaymentfee.com/api/v1/hr/reviews/11","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/11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI spec, no request/response schema, and the HR reviews category is not even listed on the provider's own site. Effectively a stub with verified 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'/request':17,34 '0.02':16,33,85,169 '000':164 '11':49 '20':163 'Base USDC API' 'HR data endpoint' 'accept':153 'access':40,185,210 'advertis':111,180 'ai':118 'ai/ml':74 'among':109 'analyt':73,117 'anywher':234 'api':69,112,174 'appear':123 'attach':189 'avail':144 'base':9,26,94,165,172 'broader':60 'call':4,21,68 'caller':188 'categori':113,230 'challeng':147 'commit':208 'compani':133 'company reviews' 'confirm':148 'control':186 'crypto':77 'data':72 'document':137,212 'domain':129 'dozen':63 'emphas':203 'employe':131 'employee reviews API' 'endpoint':7,24,36,70,98,150 'exampl':222 'extrem':214 'financ':76,119 'focus':115 'header':194 'howev':211 'hr':5,22,43,128,228 'hr-domain':127 'hr-reviews' 'human resources reviews' 'id':48 'infer':75 'infrastructur':78 'instant':209 'json-response' 'key':175 'land':107 'limit':178 'list':102 'live':152 'lowpaymentfee' 'lowpaymentfee.com':38 'mechan':187 'mention':233 'minimum':206 'network':95 'no-api-key' 'offer':62 'openapi':219 'page':108,240 'part':57 'pay':2,19,66 'pay-per-cal':1,18,65 'pay-per-call' 'payment':53,159,181,193,199 'per':3,20,67,86 'platform':61,202 'post':154 'post-method' 'price':83 'proof':200 'protocol':54 'provid':39,105 'public':239 'rate':177 'request':87,138,155,223 'requir':157 'resourc':45,130 'respons':141,225 'review':6,23,44,47,134,229 'schema':139,142 'settl':12,29,89 'simplic':204 'site':237 'sole':184 'span':71 'spars':215 'spec':220 'specif':46,97 'though':135 'unit':166 'usd':170 'usdc':14,31,91,168 'usdc-base' 'util':79,121 'valid':197 'via':10,27,50 'x':192 'x-payment':191 'x402':11,28,52,146,198 'x402 paid API' 'x402-payment'","prices":[{"id":"96aba381-b92a-4729-93d0-de290f3459b1","listingId":"5f602d33-63c4-4539-ae62-3ea2cdfa623f","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/11","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:19.697Z"}],"sources":[{"listingId":"5f602d33-63c4-4539-ae62-3ea2cdfa623f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/hr/reviews/11","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:19.697Z","lastSeenAt":"2026-04-23T17:32:46.247Z"}],"details":{"listingId":"5f602d33-63c4-4539-ae62-3ea2cdfa623f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/hr/reviews/11 \\\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":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/hr/reviews/11"},{"claim":"The 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/hr/reviews/11"}],"useCases":["Retrieving HR review data for a specific review ID","Integrating employee or company review information into an HR dashboard","Agent-driven procurement of HR review records with micropayments"],"bestFor":["Agents or apps needing on-demand HR review data without subscription commitments","Developers experimenting with x402 pay-per-call patterns on Base","Low-volume consumers who want to avoid API key management"],"notFor":["Bulk retrieval of large HR datasets (no batch endpoint documented)","Users who need detailed API documentation or guaranteed SLAs","Non-crypto users who cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:10.2Z"},"updatedAt":"2026-04-23T17:32:46.247Z"}}