{"id":"39b65ff5-1b16-4a24-a213-673ae177c214","shortId":"vr7GYd","kind":"x402","title":"x402-gated HR document endpoint on Base, pay-per-request with USDC.","tagline":"x402-gated HR document endpoint on Base, pay-per-request with USDC.","description":"This endpoint at lowpaymentfee.com serves an HR document resource (document ID 17) behind an x402 paywall. It is part of a broader platform that offers dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance, crypto, and utility services — all settled on the Base network using USDC.\n\nThe specific endpoint `/api/v1/hr/documents/17` accepts POST requests and returns JSON. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02 per request — consistent with the platform's uniform $0.02/request pricing. Payment is made via the x402 \"exact\" scheme directly to the provider's wallet. No API keys are required; access is granted immediately upon valid payment.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the HR document resource actually contains or what POST body it expects. The endpoint is confirmed live (402 challenge captured), but the lack of documentation makes it difficult to use without experimentation.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","hr-document-retrieval","json-response"],"categories":["data","documents"],"synonyms":["HR document API","human resources document","paid document endpoint","x402 API","USDC pay-per-call","lowpaymentfee","Base network API"],"warnings":["No documentation available — all doc pages return only 'Connect wallet' with no content","No OpenAPI or request/response schema provided","Purpose of 'HR documents/17' resource is unknown — no description of what data is returned","No example request body or response body available to guide integration"],"endpointUrl":"https://lowpaymentfee.com/api/v1/hr/documents/17","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/documents/17","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live with a valid x402 402 challenge, and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no request/response examples, and no documentation describing what the HR document resource contains or what input the POST body expects. The docs pages are empty. This is effectively a stub 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'/request':120 '0.02':110,119 '000':99 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':105 '17':40 '20':98 '402':201 'Base network API' 'HR document API' 'USDC pay-per-call' 'accept':84 'access':141 'actual':188 'advertis':93 'ai/ml':65 'analyt':64 'api':60,137,155 'asset':104 'base':8,22,76,100,107 'base-network' 'behind':41 'bodi':193 'broader':50 'call':59 'captur':203 'challeng':92,202 'confirm':199 'connect':164 'consist':113 'contain':189 'content':170 'cost':96 'crawl':153 'crypto':68 'data':63 'descript':181 'difficult':211 'direct':130 'doc':154 'document':5,19,36,38,148,186,208 'dozen':54 'endpoint':6,20,30,61,82,197 'equal':109 'exact':128 'exampl':178 'expect':195 'experiment':215 'extrem':150 'financ':67 'gate':3,17 'grant':143 'hr':4,18,35,185 'hr-document-retrieval' 'human resources document' 'id':39 'immedi':144 'infer':66 'json':89 'json-response' 'key':138 'lack':206 'live':200 'lowpaymentfee' 'lowpaymentfee.com':32 'made':124 'make':209 'maximum':95 'network':77 'offer':53 'openapi':174 'page':159 'paid document endpoint' 'part':47 'pay':10,24,57 'pay-per-cal':56 'pay-per-request':9,23 'payment':122,147 'paywal':44 'per':11,25,58,111 'platform':51,116 'post':85,192 'price':121,156 'prompt':166 'provid':133 'readm':158 'request':12,26,86,112 'request/response':177 'requir':140 'resourc':37,187 'return':88,161 'schema':175 'scheme':129 'serv':33 'servic':71 'settl':73 'span':62 'spars':151 'specif':81 'substant':169 'uniform':118 'unit':101 'upon':145 'usdc':14,28,79,103 'usdc-settlement' 'use':78,213 'util':70 'valid':146 'via':125 'wallet':135,165 'without':214 'x402':2,16,43,91,127 'x402 API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"143060f1-c6ad-4c55-b67b-54b391d6fca6","listingId":"39b65ff5-1b16-4a24-a213-673ae177c214","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/documents/17","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:18.977Z"}],"sources":[{"listingId":"39b65ff5-1b16-4a24-a213-673ae177c214","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/hr/documents/17","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:18.977Z","lastSeenAt":"2026-04-23T22:03:15.605Z"}],"details":{"listingId":"39b65ff5-1b16-4a24-a213-673ae177c214","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/17 \\\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 endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/17"},{"claim":"The platform advertises uniform $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/17"}],"useCases":["Retrieving HR document data programmatically with per-request micropayments","Integrating pay-as-you-go document access into agent workflows","Accessing gated document resources without API key management"],"bestFor":["Agents that need on-demand access to specific HR documents","Developers exploring x402 pay-per-request patterns on Base","Use cases where keyless, instant API access is preferred"],"notFor":["Users who need detailed API documentation or schema before integrating","Bulk document retrieval where per-request fees would accumulate significantly","Non-crypto workflows that cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:11.278Z"},"updatedAt":"2026-04-23T22:03:15.605Z"}}