{"id":"0d3dc32c-bd61-4f52-81c2-7d33a9083ac1","shortId":"Y25m4A","kind":"x402","title":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","tagline":"Pay-per-call employee data API on Base, settled in USDC via x402 at $0.02/request.","description":"This endpoint at lowpaymentfee.com provides access to employee data (specifically employee record #61) via the x402 payment protocol. The endpoint 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 provider lowpaymentfee.com hosts a broader suite 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 priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access.\n\nDocumentation is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what fields the employee endpoint accepts or returns. The endpoint is confirmed live (returns a proper 402 x402 challenge), but the actual data schema and behavior must be discovered by making a paid call.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","employee-data","json-api","pay-per-call","no-api-key"],"categories":["data"],"synonyms":["employee API","employee record lookup","x402 employee endpoint","pay-per-request API","USDC micropayment API","lowpaymentfee","Base network API"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No OpenAPI or schema describing request parameters or response fields for this endpoint.","The /api/v1/employees/61 path is not listed among the provider's advertised APIs on the landing page; it may be a demo or test endpoint.","Response data structure is completely unknown without making a paid request."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/61","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/61","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is confirmed live with a valid 402 x402 challenge, but there is zero documentation on request parameters, response schema, or what employee data is actually returned. Docs pages are empty. No OpenAPI spec, no examples, and the specific endpoint (/employees/61) is not even listed on the provider's landing 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'0.02':16,33,84,133 '000':79 '0x8335':71 '20':78 '2913':72 '402':198 '6':89 '61':47 'Base network API' 'USDC micropayment API' 'accept':55,187 'access':40,147 'actual':203 'advertis':138 'ai/ml':107 'analysi':109 'analyt':106 'api':7,24,103,140,154 'base':9,26,66,80 'base-network' 'behavior':207 'broader':96 'call':4,21,102,215 'challeng':200 'classif':111 'confirm':193 'connect':163 'content':169 'contract':70 'convers':128 'cost':76 'data':6,23,43,105,204 'decim':90 'descript':180 'discov':210 'doc':153 'document':148 'embed':112 'employe':5,22,42,45,185 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,54,186,191 'equal':83 'estim':122 'exampl':177 'exchang':117 'extrem':150 'feed':116 'field':183 'financ':113 'gas':121 'generat':129 'geocod':126 'host':94 'infrastructur':124 'instant':146 'json':60 'json-api' 'key':141 'limit':144 'live':194 'lowpaymentfee' 'lowpaymentfee.com':38,93 'make':212 'maximum':75 'must':208 'network':67 'no-api-key' 'openapi':173 'page':158 'paid':214 'pay':2,19,100 'pay-per-cal':1,18,99 'pay-per-call' 'pay-per-request API' 'payment':51,61 'per':3,20,85,101,134 'platform':137 'post':56 'price':115,131,155 'prompt':165 'proper':197 'protocol':52 'provid':39,92 'quot':120 'rate':118,143 'readm':157 'record':46 'render':160 'request':57,86,135 'request/response':176 'return':59,189,195 'schema':174,205 'sentiment':108 'settl':10,27,63 'span':104 'spars':151 'specif':44 'substant':168 'suit':97 'summar':110 'token':119 'unit':81 'usdc':12,29,69,87 'usdc-settlement' 'use':68,88 'util':125 'valid':127 'via':13,30,48 'wallet':164 'web3':114 'x402':14,31,50,199 'x402 employee endpoint' 'x402-payment'","prices":[{"id":"a13c7f0f-51de-4e6a-9060-56bbf7b0dbef","listingId":"0d3dc32c-bd61-4f52-81c2-7d33a9083ac1","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/61","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:17.398Z"}],"sources":[{"listingId":"0d3dc32c-bd61-4f52-81c2-7d33a9083ac1","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/61","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.398Z","lastSeenAt":"2026-04-24T08:33:13.575Z"}],"details":{"listingId":"0d3dc32c-bd61-4f52-81c2-7d33a9083ac1","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/61 \\\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":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/61"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02","source_url":"https://lowpaymentfee.com/api/v1/employees/61"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider lists APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages contain only 'Connect wallet' with no substantive documentation","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee record data on a per-call payment basis","Integrating employee data into agent workflows without API key management","Testing x402 payment protocol integrations with a low-cost endpoint"],"bestFor":["Developers experimenting with x402 pay-per-call protocols","Agents needing on-demand employee data without subscription commitments","Low-volume, ad-hoc data retrieval where $0.02/call is acceptable"],"notFor":["High-volume bulk employee data exports (no batch endpoint documented)","Users who need detailed API documentation or guaranteed SLAs before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.699Z"},"updatedAt":"2026-04-24T08:33:13.575Z"}}