{"id":"d9e4be6a-c0bd-4f96-b6f5-96c344d1b781","shortId":"xXrBWe","kind":"x402","title":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data records via the x402 payment protocol. The specific resource `/api/v1/employees/102` returns JSON data for employee ID 102 when called with a POST request and a valid X-PAYMENT header containing a USDC payment on the Base network.\n\nThe endpoint is part of a broader platform (lowpaymentfee.com) that offers numerous pay-per-call APIs spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per request. Payment is handled entirely on-chain via x402: no API keys, no accounts, no rate limits. The x402 challenge confirms the endpoint is live, accepting USDC (contract 0x8335…2913) on Base with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no example payloads available. The endpoint's actual data shape (what fields an employee record contains) is unknown from the crawled material. The listing title \"Premium API Access\" is generic and does not describe the specific resource.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","pay-per-call","no-api-key","json-response"],"categories":["data"],"synonyms":["employee API","HR data endpoint","employee record lookup","x402 API","pay-per-request API","USDC micropayment API","lowpaymentfee"],"warnings":["No documentation available — /docs, /pricing, /api, and /README all show only 'Connect wallet'","No OpenAPI or schema definition; request and response formats are unknown","The employee data source and accuracy are unverified","Endpoint description 'Premium API Access' is generic and does not describe the specific resource"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/102","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/employees/102","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no examples. The actual data returned is entirely 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'/api/v1/employees/102':53 '/docs':169 '/pricing':170 '/readme':173 '/request':17,34 '0.02':16,33,113,158 '000':154 '0x8335':144 '102':60 '20':153 '2913':145 '6':162 'HR data endpoint' 'USDC micropayment API' 'accept':141 'access':40,222 'account':129 'actual':202 'ai':102 'amount':151 'analyt':101 'api':7,24,98,126,221 'avail':198 'base':9,26,80,147,155 'base-network' 'broader':88 'call':4,21,62,97 'chain':122 'challeng':135 'confirm':136 'connect':179 'contain':74,210 'content':185 'contract':143 'crawl':215 'data':6,23,43,56,100,203 'decim':163 'describ':228 'document':164 'employe':5,22,42,58,208 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,83,138,200 'entir':119 'exampl':196 'extrem':166 'field':206 'financ':105 'generic':224 'given':159 'handl':118 'header':73 'i.e':157 'id':59 'infrastructur':108 'json':55 'json-response' 'key':127 'learn':104 'limit':132 'list':218 'live':140 'lowpaymentfee' 'lowpaymentfee.com':38,90 'machin':103 'materi':216 'max':150 'network':81 'no-api-key' 'numer':93 'offer':92 'on-chain':120 'openapi':189 'page':174 'part':85 'pay':2,19,95 'pay-per-cal':1,18,94 'pay-per-call' 'pay-per-request API' 'payload':197 'payment':48,72,77,116 'per':3,20,96,114 'platform':89 'post':65 'premium':220 'price':111 'prompt':181 'protocol':49 'provid':39 'rate':131 'record':44,209 'render':176 'request':66,115 'request/response':192 'resourc':52,231 'return':54 'schema':193 'settl':12,29 'shape':204 'span':99 'spars':167 'spec':190 'specif':51,230 'titl':219 'unit':156 'unknown':212 'usdc':14,31,76,142,160 'usdc-settlement' 'util':109 'valid':69 'via':10,27,45,123 'wallet':180 'web3':106 'x':71 'x-payment':70 'x402':11,28,47,124,134 'x402 API' 'x402-payment'","prices":[{"id":"fe707c89-9156-4400-bffd-a6f728638cb3","listingId":"d9e4be6a-c0bd-4f96-b6f5-96c344d1b781","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/employees/102","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:13.270Z"}],"sources":[{"listingId":"d9e4be6a-c0bd-4f96-b6f5-96c344d1b781","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/102","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.270Z","lastSeenAt":"2026-04-25T11:33:15.555Z"}],"details":{"listingId":"d9e4be6a-c0bd-4f96-b6f5-96c344d1b781","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/102 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge accepting USDC on Base with maxAmountRequired of 20000 base units ($0.02)","source_url":"https://lowpaymentfee.com/api/v1/employees/102"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/102"}],"useCases":["Retrieving employee records by ID without needing an API key or subscription","Integrating on-chain micropayments into data-fetching workflows","Agent-driven lookups of employee information with automatic USDC settlement"],"bestFor":["Developers experimenting with x402 pay-per-call patterns","Agents that need on-demand employee data without pre-registration","Use cases requiring keyless, permissionless API access on Base"],"notFor":["Bulk employee data exports or batch processing (pay-per-call model is expensive at scale)","Users who need detailed documentation or guaranteed SLAs","Applications requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.547Z"},"updatedAt":"2026-04-25T11:33:15.555Z"}}