{"id":"aaf3e3ab-925a-4202-ac44-2cae4f2e0316","shortId":"kjytGW","kind":"x402","title":"Pay-per-call HR document endpoint on Base via x402 — $0.02 per request in USDC.","tagline":"Pay-per-call HR document endpoint on Base via x402 — $0.02 per request in USDC.","description":"This endpoint at `/api/v1/hr/documents/26` 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 at `/api/v1/hr/documents/26` is listed under \"Premium API Access\" but its exact payload is unclear — the path suggests it returns an HR-related document (possibly a template, compliance record, or reference document identified by ID 26). The x402 challenge confirms the endpoint is live, accepting POST requests and requiring an exact payment of 20,000 base units of USDC (0.02 USD) on Base to the address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3`. The response MIME type is `application/json`.\n\nThe broader lowpaymentfee.com platform advertises a uniform $0.02/request pricing model across all its endpoints, with categories including analytics/metrics, AI inference (sentiment, summarization, classification, embeddings), finance/crypto data, and utility services. No OpenAPI schema or detailed documentation was found for this specific endpoint, so the exact request body format and response structure remain unknown.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-call","hr-documents","json-response","no-api-key","no-rate-limit"],"categories":["data","documents"],"synonyms":["HR document API","human resources document","premium API access","lowpaymentfee","pay-per-request API","x402 document endpoint","USDC micropayment API"],"warnings":["No OpenAPI or detailed documentation available for this endpoint","Exact request body format and response schema are unknown","The purpose of '/api/v1/hr/documents/26' is unclear — 'HR documents' is inferred from the URL path only","The endpoint does not appear in the site's public API listing categories, raising questions about its intended audience"],"endpointUrl":"https://lowpaymentfee.com/api/v1/hr/documents/26","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/26","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI schema, no documentation for this specific resource, no example request/response, and the purpose of the HR document endpoint is only inferable from the URL path. Essentially a stub 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'/request':164 '0.02':12,28,61,142,163 '000':137 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':149 '20':136 '26':118 'HR document API' 'USDC micropayment API' 'accept':127 'access':90 'across':167 'address':148 'advertis':160 'ai':175 'ai/ml':53 'analyt':52 'analytics/metrics':174 'api':49,73,89 'application/json':155 'base':9,25,69,138,145 'bodi':202 'broader':157 'call':4,20 'categori':172 'challeng':121 'charg':60 'classif':179 'collect':44 'complianc':110 'confirm':122 'data':51,182 'detail':190 'document':6,22,106,114,191 'embed':180 'enabl':48 'endpoint':7,23,34,59,124,170,197 'exact':93,133,200 'financ':54 'finance/crypto':181 'format':203 'found':193 'hr':5,21,104 'hr-documents' 'hr-relat':103 'human resources document' 'id':117 'identifi':115 'includ':173 'infer':176 'infrastructur':55 'json-response' 'key':74 'limit':76 'list':86 'live':126 'lowpaymentfee' 'lowpaymentfee.com':41,158 'mime':152 'model':166 'network':70 'no-api-key' 'no-rate-limit' 'openapi':187 'part':38 'path':98 'pay':2,18 'pay-per-cal':1,17 'pay-per-call' 'pay-per-request API' 'payload':94 'payment':134 'per':3,13,19,29,62 'platform':42,159 'possibl':107 'post':128 'premium':88 'premium API access' 'price':165 'rate':75 'record':111 'refer':113 'relat':105 'remain':207 'request':14,30,63,129,201 'requir':79,131 'resourc':82 'respons':151,205 'return':101 'schema':188 'sentiment':177 'servic':185 'settl':64 'span':50 'specif':81,196 'structur':206 'subscript':78 'suggest':99 'summar':178 'templat':109 'type':153 'unclear':96 'uniform':162 'unit':139 'unknown':208 'usd':143 'usdc':16,32,66,141 'usdc-base' 'util':184 'via':10,26 'x402':11,27,47,120 'x402 document endpoint' 'x402-enabled':46 'x402-payment'","prices":[{"id":"1895d04f-f4db-4248-b023-2dfe726e17e9","listingId":"aaf3e3ab-925a-4202-ac44-2cae4f2e0316","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/26","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:19.703Z"}],"sources":[{"listingId":"aaf3e3ab-925a-4202-ac44-2cae4f2e0316","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/hr/documents/26","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:19.703Z","lastSeenAt":"2026-04-23T18:04:57.420Z"}],"details":{"listingId":"aaf3e3ab-925a-4202-ac44-2cae4f2e0316","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/hr/documents/26 \\\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 requiring 20,000 base units of USDC on Base (~$0.02)","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/26"},{"claim":"The platform charges $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 contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/hr/documents/26"}],"useCases":["Retrieving HR-related documents or templates on demand","Programmatic access to compliance or reference documents","Agent-driven document fetching with automatic micropayment"],"bestFor":["Agents needing on-demand document access without API key management","Developers experimenting with x402 pay-per-call patterns","Low-volume, no-commitment access to HR data"],"notFor":["Bulk document retrieval where per-request fees add up quickly","Use cases requiring detailed schema documentation before integration","Users who need non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:10.158Z"},"updatedAt":"2026-04-23T18:04:57.420Z"}}