{"id":"41eb08b8-6699-4862-be9f-2bbe9b342a09","shortId":"AJgLse","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 `/api/v1/hr/documents/34` is part of the lowpaymentfee.com platform, a collection of x402 protocol pay-per-call APIs spanning data analytics, AI/ML, finance, infrastructure, and more. The specific resource appears to serve an HR document (document ID 34) behind an x402 paywall. Payment is settled in USDC on the Base network at $0.02 per request using the \"exact\" payment scheme.\n\nThe platform advertises a simple pricing model: $0.02 per request across all endpoints, with no API keys, no rate limits, and instant access. The x402 challenge confirms the endpoint is live and accepts POST requests. The payment is directed to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a max timeout of 300 seconds. The asset used is USDC (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base.\n\nNote that the specific content and schema of the HR document response are not documented. The endpoint path suggests it returns a single document resource, but no OpenAPI spec, request body schema, or response schema is available. The broader platform lists many other endpoints (analytics, AI, finance, utilities) all at the same price point, but documentation for any of them is minimal — the crawled /api, /pricing, and /README pages all returned only a \"Connect wallet\" prompt with no further detail.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","hr-document-retrieval","post-method"],"categories":["data","documents"],"synonyms":["HR document API","human resources document","paid document endpoint","x402 document access","lowpaymentfee API","Base USDC API"],"warnings":["No OpenAPI or schema documentation available for this endpoint","No information on what the HR document (ID 34) actually contains or its response format","The /api, /pricing, and /README pages returned no useful content beyond 'Connect wallet'","The endpoint path is very specific (single document ID 34) — unclear if other document IDs are available or what the broader HR documents collection looks like"],"endpointUrl":"https://lowpaymentfee.com/api/v1/hr/documents/34","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/34","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 OpenAPI spec, no request/response schema, no documentation of what the HR document contains, and the crawled pages beyond the homepage are empty. This is effectively a stub 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'/api/v1/hr/documents/34':32 '/pricing':213 '/readme':215 '0.02':83,98 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':132 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':145 '300':138 '34':68 'Base USDC API' 'HR document API' 'accept':123 'access':113 'across':101 'address':131 'advertis':93 'ai':193 'ai/ml':52 'analyt':51,192 'api':48,106 'appear':60 'asset':141 'avail':184 'base':8,22,80,147 'behind':69 'bodi':178 'broader':186 'call':47 'challeng':116 'collect':40 'confirm':117 'connect':221 'content':152 'crawl':211 'data':50 'detail':227 'direct':129 'document':5,19,65,66,158,162,171,203 'endpoint':6,20,30,103,119,164,191 'exact':88 'financ':53,194 'gate':3,17 'hr':4,18,64,157 'hr-document-retrieval' 'human resources document' 'id':67 'infrastructur':54 'instant':112 'key':107 'limit':110 'list':188 'live':121 'lowpaymentfee API' 'lowpaymentfee.com':37 'mani':189 'max':135 'minim':209 'model':97 'network':81 'note':148 'openapi':175 'page':216 'paid document endpoint' 'part':34 'path':165 'pay':10,24,45 'pay-per-cal':44 'pay-per-request':9,23 'payment':73,89,127 'paywal':72 'per':11,25,46,84,99 'platform':38,92,187 'point':201 'post':124 'post-method' 'price':96,200 'prompt':223 'protocol':43 'rate':109 'request':12,26,85,100,125,177 'resourc':59,172 'respons':159,181 'return':168,218 'schema':154,179,182 'scheme':90 'second':139 'serv':62 'settl':75 'simpl':95 'singl':170 'span':49 'spec':176 'specif':58,151 'suggest':166 'timeout':136 'usdc':14,28,77,144 'usdc-base' 'use':86,142 'util':195 'wallet':222 'x402':2,16,42,71,115 'x402 document access' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"3b3cb5fc-c9d5-4a5a-a886-f6b89ddf3424","listingId":"41eb08b8-6699-4862-be9f-2bbe9b342a09","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/34","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:19.674Z"}],"sources":[{"listingId":"41eb08b8-6699-4862-be9f-2bbe9b342a09","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/hr/documents/34","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:19.674Z","lastSeenAt":"2026-04-23T17:32:46.224Z"}],"details":{"listingId":"41eb08b8-6699-4862-be9f-2bbe9b342a09","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/34 \\\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 challenge with x402Version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/34"},{"claim":"Platform pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 and payTo address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/34"}],"useCases":["Retrieving a specific HR document (ID 34) via programmatic pay-per-call access","Agent-driven document fetching with automatic USDC micropayment on Base","Integrating HR document data into automated workflows without API key management"],"bestFor":["Agents or services that need on-demand access to HR documents without subscription commitments","Developers exploring x402 protocol pay-per-call patterns on Base","Scenarios requiring keyless, instant API access settled in USDC"],"notFor":["Bulk document retrieval where per-request pricing would be cost-inefficient","Use cases requiring detailed API documentation or guaranteed response schemas","Non-crypto workflows that cannot settle payments in USDC on Base"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:10.211Z"},"updatedAt":"2026-04-23T17:32:46.224Z"}}