{"id":"a051d51a-109b-40f2-b8f0-552bae257904","shortId":"S2StyL","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 (specifically employee record #107) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals).\n\nThe broader lowpaymentfee.com platform advertises a wide catalog of pay-per-call APIs spanning data & analytics, AI/ML (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and no minimum commitments required.\n\nThis specific endpoint (/api/v1/employees/107) is not listed on the site's main catalog page, so it may be a demo or sample resource. The probe confirmed a live 402 challenge with a valid x402 v1 payment envelope. Documentation pages (/docs, /pricing, /README) returned only a \"Connect wallet\" prompt with no substantive content, so the actual response schema and employee data fields are unknown.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-response","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee API","HR data endpoint","employee record lookup","x402 paid API","USDC micropayment API","lowpaymentfee","Base network API"],"warnings":["No API documentation available — /docs, /pricing, and /README pages return only a wallet connect prompt with no content","Response schema for /api/v1/employees/107 is completely unknown; no example responses available","This specific endpoint is not listed on the provider's own catalog page, suggesting it may be a demo or unlisted resource","No OpenAPI or machine-readable schema provided"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/107","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/107","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 of request/response fields, and the /docs, /pricing, and /README pages are empty stubs. The specific employee endpoint is not listed in the site's own catalog. Effectively a stub listing with confirmed 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'/docs':189 '/pricing':190 '/readme':191 '/request':17,34 '0.02':16,33,83,135 '000':78 '0x8335':70 '107':47 '20':77 '2913':71 '402':178 '6':88 'Base network API' 'HR data endpoint' 'USDC micropayment API' 'accept':54 'access':40 'actual':204 'advertis':94 'ai/ml':107 'analysi':109 'analyt':106 'api':7,24,103,140 'base':9,26,65,79 'base-network' 'broader':91 'call':4,21,102 'catalog':97,162 'challeng':179 'classif':111 'commit':148 'confirm':175 'connect':195 'content':201 'contract':69 'convers':128 'cost':75 'data':6,23,43,105,209 'decim':89 'demo':169 'document':187 'embed':112 'employe':5,22,42,45,208 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,131,152 'envelop':186 'equal':82 'estim':122 'exchang':117 'feed':116 'field':210 'financ':113 'gas':121 'generat':129 'geocod':126 'infrastructur':124 'json':59 'json-response' 'key':141 'limit':144 'list':133,156 'live':177 'lowpaymentfee' 'lowpaymentfee.com':38,92 'main':161 'maximum':74 'may':166 'minimum':147 'network':66 'no-api-key' 'page':163,188 'pay':2,19,100 'pay-per-cal':1,18,99 'pay-per-call' 'payment':51,60,185 'per':3,20,84,101,136 'platform':93 'post':55 'price':115 'probe':174 'prompt':197 'protocol':52 'provid':39 'quot':120 'rate':118,143 'record':46 'request':56,85,137 'requir':149 'resourc':172 'respons':205 'return':58,192 'sampl':171 'schema':206 'sentiment':108 'settl':12,29,62 'site':159 'span':104 'specif':44,151 'substant':200 'summar':110 'token':119 'unit':80 'unknown':212 'usdc':14,31,68,86 'usdc-settlement' 'use':67,87 'util':125 'v1':184 'valid':127,182 'via':10,27,48 'wallet':196 'web3':114 'wide':96 'x402':11,28,50,183 'x402 paid API' 'x402-payment'","prices":[{"id":"a4ca56a9-8412-4256-bbb3-80651cfd66ac","listingId":"a051d51a-109b-40f2-b8f0-552bae257904","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/107","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:13.557Z"}],"sources":[{"listingId":"a051d51a-109b-40f2-b8f0-552bae257904","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/107","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.557Z","lastSeenAt":"2026-04-25T10:03:59.399Z"}],"details":{"listingId":"a051d51a-109b-40f2-b8f0-552bae257904","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/107 \\\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 with x402 v1 protocol, accepting USDC on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/107"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/107"},{"claim":"The site advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The platform lists APIs across data & analytics, AI/ML, finance & Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee record data on a per-call payment basis","Demonstrating x402 protocol payment flows with a live endpoint","Integrating pay-per-use data access into agent workflows without API key management"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing on-demand data access without subscription commitments","Low-volume, pay-as-you-go data retrieval"],"notFor":["High-volume bulk employee data exports (no documented batch endpoint)","Users who need detailed API documentation or response schema guarantees","Production HR systems requiring SLA-backed uptime"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.195Z"},"updatedAt":"2026-04-25T10:03:59.399Z"}}