{"id":"0125ec1b-519d-4075-bfc3-8010e3b12994","shortId":"rx86Jb","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 #117) 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 provider lowpaymentfee.com hosts a broader 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 priced at $0.02 per request with no API keys, no rate limits, and no minimum commitments. Payments flow through the x402 protocol on the Base L2 network.\n\nThis specific endpoint (/api/v1/employees/117) is not listed on the provider's landing page among the advertised API categories, so its exact response schema and data source are unclear. The probe confirms the endpoint is live (returns a valid 402 challenge), but no documentation, OpenAPI spec, or example responses were found. The docs, pricing, and README pages all returned only a wallet-connect prompt with no substantive content.","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 data endpoint","pay-per-request API","USDC micropayment API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The /api/v1/employees/117 path is not listed among the provider's advertised API catalog — its data source and accuracy are unknown","Docs, pricing, and README pages returned only wallet-connect prompts with no substantive content","Response format and fields are undocumented; integration requires trial-and-error"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/117","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/117","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI spec, no documentation, no example responses, and the specific /employees/117 path is not listed among the provider's advertised APIs. Response schema is entirely 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'/request':17,34 '0.02':16,33,83,134 '000':78 '0x8335':70 '117':47 '20':77 '2913':71 '402':197 '6':88 'Base network API' 'USDC micropayment API' 'accept':54 'access':40 'advertis':174 'ai/ml':106 'among':172 'analysi':108 'analyt':105 'api':7,24,102,139,175 'base':9,26,65,79,156 'base-network' 'broader':95 'call':4,21,101 'catalog':96 'categori':176 'challeng':198 'classif':110 'commit':147 'confirm':189 'connect':221 'content':226 'contract':69 'convers':127 'cost':75 'data':6,23,43,104,183 'decim':89 'doc':210 'document':201 'embed':111 'employe':5,22,42,45 'employee API' 'employee record lookup' 'employee-data' 'endpoint':36,130,161,191 'equal':82 'estim':121 'exact':179 'exampl':205 'exchang':116 'feed':115 'financ':112 'flow':149 'found':208 'gas':120 'generat':128 'geocod':125 'host':93 'infrastructur':123 'json':59 'json-api' 'key':140 'l2':157 'land':170 'limit':143 'list':165 'live':193 'lowpaymentfee' 'lowpaymentfee.com':38,92 'maximum':74 'minimum':146 'network':66,158 'no-api-key' 'openapi':202 'page':171,214 'pay':2,19,99 'pay-per-cal':1,18,98 'pay-per-call' 'pay-per-request API' 'payment':51,60,148 'per':3,20,84,100,135 'post':55 'price':114,132,211 'probe':188 'prompt':222 'protocol':52,153 'provid':39,91,168 'quot':119 'rate':117,142 'readm':213 'record':46 'request':56,85,136 'respons':180,206 'return':58,194,216 'schema':181 'sentiment':107 'settl':12,29,62 'sourc':184 'span':103 'spec':203 'specif':44,160 'substant':225 'summar':109 'token':118 'unclear':186 'unit':80 'usdc':14,31,68,86 'usdc-settlement' 'use':67,87 'util':124 'valid':126,196 'via':10,27,48 'wallet':220 'wallet-connect':219 'web3':113 'x402':11,28,50,152 'x402 data endpoint' 'x402-payment'","prices":[{"id":"297028b1-267a-4d99-a280-4d7d078eb3ef","listingId":"0125ec1b-519d-4075-bfc3-8010e3b12994","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/117","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:13.510Z"}],"sources":[{"listingId":"0125ec1b-519d-4075-bfc3-8010e3b12994","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/117","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.510Z","lastSeenAt":"2026-04-25T10:03:59.351Z"}],"details":{"listingId":"0125ec1b-519d-4075-bfc3-8010e3b12994","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/117 \\\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/117"},{"claim":"All listed APIs are priced at $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 is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/117"}],"useCases":["Retrieving employee record data on a per-call payment basis","Integrating employee information into agent workflows without API key management","Demonstrating x402 payment protocol integration for data access"],"bestFor":["Agents needing on-demand employee data without subscription commitments","Developers experimenting with x402 pay-per-call patterns on Base","Low-volume data lookups where per-request pricing is economical"],"notFor":["High-volume bulk employee data retrieval (no documented batch support)","Use cases requiring detailed API documentation or guaranteed SLAs","Applications needing well-documented response schemas before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.283Z"},"updatedAt":"2026-04-25T10:03:59.351Z"}}