{"id":"b351bbe4-409b-4964-a087-0a7b55ef4edd","shortId":"GTEeQ7","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 20) behind an x402 paywall. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with the \"exact\" payment scheme.\n\nThe x402 challenge advertises a maxAmountRequired of 20000 base units. Since USDC uses 6 decimals, this translates to $0.02 per request, consistent with the provider's site-wide pricing of $0.02/request across all their API endpoints. The provider advertises no API keys, no rate limits, and instant access — payment is the only authentication mechanism.\n\nThe specific endpoint `/api/v1/hr/documents/20` is not listed on the provider's landing page among their documented API categories (Data & Analytics, AI & ML, Finance & Web3, Infrastructure). The \"hr/documents\" path suggests human-resources or document-related content, but no further documentation, input schema, or response examples are available. The docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no additional content. Without documentation on what this endpoint actually returns or what input it expects, its practical utility is unclear.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","pay-per-request","json-response","hr-documents"],"categories":["data"],"synonyms":["HR document API","human resources document","x402 paid API","USDC micropayment API","lowpaymentfee","pay-per-call API","Base network API"],"warnings":["No documentation available for the /api/v1/hr/documents/20 endpoint — docs pages only show 'Connect wallet'","This endpoint path is not listed among the provider's advertised API categories on the landing page","No input schema or response schema is documented; unknown what data is returned","No OpenAPI spec, no ai-plugin manifest, no robots.txt, no agents.txt found"],"endpointUrl":"https://lowpaymentfee.com/api/v1/hr/documents/20","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/20","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 captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no input/output schema, no examples, and the specific HR documents path is not listed among the provider's advertised APIs. The docs pages are empty beyond a wallet-connect prompt. Effectively a stub 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'/request':100 '0.02':86,99 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':62 '20':40 '20000':75 '6':81 'Base network API' 'HR document API' 'USDC micropayment API' 'accept':46 'access':117 'across':101 'actual':196 'addit':188 'advertis':71,108 'ai':144 'among':137 'analyt':143 'api':104,110,140,175 'authent':122 'avail':171 'base':8,22,57,76 'base-network' 'behind':41 'categori':141 'challeng':70 'connect':183 'consist':89 'content':160,189 'contract':61 'data':142 'decim':82 'doc':173 'document':5,19,36,38,139,158,164,191 'document-rel':157 'endpoint':6,20,30,105,126,195 'exact':65 'exampl':169 'expect':202 'financ':146 'gate':3,17 'hr':4,18,35 'hr-documents' 'hr/documents':150 'human':154 'human resources document' 'human-resourc':153 'id':39 'infrastructur':148 'input':165,200 'instant':116 'json':51 'json-response' 'key':111 'land':135 'limit':114 'list':130 'lowpaymentfee' 'lowpaymentfee.com':32 'maxamountrequir':73 'mechan':123 'ml':145 'network':58 'page':136,178 'path':151 'pay':10,24 'pay-per-call API' 'pay-per-request':9,23 'payment':52,66,118 'paywal':44 'per':11,25,87 'post':47 'practic':204 'price':97,174 'prompt':185 'provid':92,107,133 'rate':113 'readm':177 'relat':159 'render':180 'request':12,26,48,88 'resourc':37,155 'respons':168 'return':50,197 'schema':166 'scheme':67 'serv':33 'settl':54 'sinc':78 'site':95 'site-wid':94 'specif':125 'suggest':152 'translat':84 'unclear':207 'unit':77 'usdc':14,28,60,79 'usdc-settlement' 'use':59,80 'util':205 'wallet':184 'web3':147 'wide':96 'without':190 'x402':2,16,43,69 'x402 paid API' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"6919d3e9-a960-41e5-a901-88ff6b0af936","listingId":"b351bbe4-409b-4964-a087-0a7b55ef4edd","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/20","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:19.214Z"}],"sources":[{"listingId":"b351bbe4-409b-4964-a087-0a7b55ef4edd","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/hr/documents/20","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:19.214Z","lastSeenAt":"2026-04-23T20:33:36.567Z"}],"details":{"listingId":"b351bbe4-409b-4964-a087-0a7b55ef4edd","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/20 \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\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 x402 challenge returns maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/20"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/20"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, API, and README pages render only a 'Connect wallet' prompt","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving HR document data via a single paid API call","Agent-driven document fetching with automatic USDC micropayment","Programmatic access to gated document resources without API keys"],"bestFor":["Agents that can settle x402 payments in USDC on Base","Use cases requiring keyless, pay-per-request document access","Developers experimenting with x402 protocol integrations"],"notFor":["Users needing well-documented API contracts with known response schemas","High-volume bulk document retrieval where per-request fees add up","Anyone without a Base-compatible USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:10.821Z"},"updatedAt":"2026-04-23T20:33:36.567Z"}}