{"id":"f8d0ed56-602f-4b8f-a54a-2611538ee782","shortId":"JV6bfH","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 #125) 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 commitments required — just an x402 payment header on each call.\n\nDocumentation is extremely sparse: the docs, pricing, API, and README pages all render only a \"Connect wallet\" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The specific endpoint path `/api/v1/employees/125` is not listed on the homepage catalog, so its exact data content and response format are unknown. The 402 challenge was successfully captured, confirming the endpoint is live.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-response","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 API","pay-per-request API","USDC micropayment API","lowpaymentfee","Base network API"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The /api/v1/employees/125 path is not listed in the provider's own homepage catalog — its purpose and response format are unverified","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no technical content","Response schema and required request body fields are completely unknown"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/125","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/125","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 OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the specific /employees/125 path isn't even listed in the site's own catalog. Effectively a stub with confirmed 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'/request':17,34 '0.02':16,33,83,135 '000':78 '0x8335':70 '125':47 '20':77 '2913':71 '402':217 '6':88 'Base network API' 'USDC micropayment API' 'accept':54 'access':40 'advertis':94 'ai/ml':107 'analysi':109 'analyt':106 'api':7,24,103,140,164 'avail':193 'base':9,26,65,79 'base-network' 'broader':91 'call':4,21,102,156 'captur':221 'catalog':97,205 'challeng':218 'classif':111 'commit':147 'confirm':222 'connect':172 'content':210 'contract':69 'convers':128 'cost':75 'data':6,23,43,105,209 'decim':89 'detail':179 'doc':162 'document':157,188 'embed':112 'employe':5,22,42,45 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,131,196,224 'equal':82 'estim':122 'exact':208 'exampl':191 'exchang':117 'extrem':159 'feed':116 'financ':113 'format':213 'gas':121 'generat':129 'geocod':126 'header':153 'homepag':204 'infrastructur':124 'json':59 'json-response' 'key':141 'limit':144 'list':133,201 'live':226 'lowpaymentfee' 'lowpaymentfee.com':38,92 'maximum':74 'network':66 'no-api-key' 'openapi':183 'page':167 'path':197 'pay':2,19,100 'pay-per-cal':1,18,99 'pay-per-call' 'pay-per-request API' 'payload':192 'payment':51,60,152 'per':3,20,84,101,136 'platform':93 'post':55 'price':115,163 'prompt':174 'protocol':52 'provid':39 'quot':120 'rate':118,143 'readm':166 'record':46 'render':169 'request':56,85,137 'request/response':186 'requir':148 'respons':212 'return':58 'schema':187 'sentiment':108 'settl':12,29,62 'span':104 'spars':160 'spec':184 'specif':44,195 'success':220 'summar':110 'technic':178 'token':119 'unit':80 'unknown':215 'usdc':14,31,68,86 'usdc-settlement' 'use':67,87 'util':125 'valid':127 'via':10,27,48 'wallet':173 'web3':114 'wide':96 'x402':11,28,50,151 'x402 API' 'x402-payment'","prices":[{"id":"e08ab391-cf26-4d4c-9f85-06f1b86afd79","listingId":"f8d0ed56-602f-4b8f-a54a-2611538ee782","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/125","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:13.853Z"}],"sources":[{"listingId":"f8d0ed56-602f-4b8f-a54a-2611538ee782","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/125","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.853Z","lastSeenAt":"2026-04-25T07:04:07.992Z"}],"details":{"listingId":"f8d0ed56-602f-4b8f-a54a-2611538ee782","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/125 \\\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 maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/125"},{"claim":"The platform advertises $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","source_url":"https://lowpaymentfee.com/api/v1/employees/125"},{"claim":"Documentation pages render only a 'Connect wallet' prompt with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee data records on demand with per-call USDC micropayments","Agent-driven data access without pre-registration or API key management","Programmatic employee information lookup settled on Base L2"],"bestFor":["Agents needing keyless, pay-as-you-go data access","Developers experimenting with x402 payment protocol integrations","Low-volume or sporadic data lookups where subscription pricing is wasteful"],"notFor":["High-volume bulk employee data exports (no documented batch endpoint)","Users who need detailed API documentation or guaranteed SLAs","Anyone without a Base-network USDC wallet"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.752Z"},"updatedAt":"2026-04-25T07:04:07.992Z"}}