{"id":"f42065f4-6905-41ea-9e2d-50e34500114e","shortId":"YtvJWu","kind":"x402","title":"Pay-per-call employee data endpoint on Base via x402, settled in USDC at $0.02/request.","tagline":"Pay-per-call employee data endpoint on Base via x402, settled in USDC at $0.02/request.","description":"This x402-enabled endpoint at lowpaymentfee.com serves employee data (specifically record ID 79) behind a micropayment wall. It uses the x402 \"exact\" payment scheme on the Base network, accepting USDC (contract 0x8335…2913) with a max amount of 20,000 base units, which equals $0.02 per request (USDC uses 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe provider, lowpaymentfee.com, hosts a broader catalog of pay-per-call APIs spanning data & analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints appear to be priced uniformly at $0.02 per request. However, the specific endpoint being listed here — /api/v1/employees/79 — is not featured on the provider's landing page catalog, and no documentation or schema for its response body was found.\n\nThe endpoint is confirmed live: it returns a proper HTTP 402 challenge with x402 version 1 headers. The POST method is specified in the outputSchema. Because no OpenAPI spec, response schema, or detailed documentation was crawled (docs, pricing, and API pages all returned only a \"Connect wallet\" stub), the exact shape of the response is unknown. Callers should expect a JSON payload describing an employee record, but the fields are unverified.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","employee-data","pay-per-call","no-api-key","json-response"],"categories":["data"],"synonyms":["employee record API","staff data endpoint","personnel lookup","x402 micropayment API","USDC pay-per-call","lowpaymentfee employee","Base network API"],"warnings":["No OpenAPI or response schema available — response format is unknown","The /api/v1/employees/79 endpoint is not listed on the provider's own landing page catalog","All documentation pages (docs, pricing, API, README) returned only a 'Connect wallet' stub with no useful content","Purpose and data content of the employee record endpoint are unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/79","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/79","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 402 challenge, but there is no OpenAPI spec, no response schema, no documentation beyond a stub landing page, and the specific /employees/79 path is not listed in the provider's own catalog. The response shape is entirely 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'/request':17,34 '0.02':16,33,80,157 '000':75 '0x8335':67 '1':204 '20':74 '2913':68 '402':199 '6':85 '79':48 'Base network API' 'USDC pay-per-call' 'accept':64 'ai/ml':125 'amount':72 'analysi':128 'analyt':124 'api':88,121,228 'appear':151 'attach':97 'base':9,26,62,76 'base-network' 'behind':49 'bodi':186 'broader':114 'call':4,21,120 'caller':95,245 'catalog':115,177 'challeng':200 'classif':130 'confirm':192 'connect':234 'contract':66 'convers':147 'crawl':224 'data':6,23,44,123 'decim':86 'describ':251 'detail':221 'doc':225 'document':180,222 'embed':131 'employe':5,22,43,253 'employee record API' 'employee-data' 'enabl':38 'endpoint':7,24,39,150,163,190 'equal':79 'estim':141 'exact':57,238 'exchang':136 'expect':247 'featur':170 'feed':135 'field':257 'financ':132 'found':188 'gas':140 'generat':148 'geocod':145 'header':102,205 'host':112 'howev':160 'http':198 'id':47 'infer':126 'infrastructur':143 'json':249 'json-response' 'key':89 'land':175 'limit':92 'list':165 'live':193 'lowpaymentfee employee' 'lowpaymentfee.com':41,111 'max':71 'method':208 'micropay':51 'network':63 'no-api-key' 'openapi':216 'outputschema':213 'page':176,229 'pay':2,19,118 'pay-per-cal':1,18,117 'pay-per-call' 'payload':250 'payment':58,101,107 'per':3,20,81,119,158 'personnel lookup' 'post':207 'price':134,154,226 'proof':108 'proper':197 'provid':110,173 'quot':139 'rate':91,137 'record':46,254 'request':82,159 'requir':94 'respons':185,218,242 'return':195,231 'schema':182,219 'scheme':59 'sentiment':127 'serv':42 'settl':12,29 'shape':239 'simpli':96 'span':122 'spec':217 'specif':45,162 'specifi':210 'staff data endpoint' 'stub':236 'summar':129 'token':138 'uniform':155 'unit':77 'unknown':244 'unverifi':259 'usdc':14,31,65,83 'usdc-micropayment' 'use':54,84 'util':144 'valid':105,146 'version':203 'via':10,27 'wall':52 'wallet':235 'web3':133 'x':100 'x-payment':99 'x402':11,28,37,56,106,202 'x402 micropayment API' 'x402-enabled':36 'x402-payment'","prices":[{"id":"b5d7045f-546b-45cf-bfd7-bb566b3543e3","listingId":"f42065f4-6905-41ea-9e2d-50e34500114e","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/79","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:17.833Z"}],"sources":[{"listingId":"f42065f4-6905-41ea-9e2d-50e34500114e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/79","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.833Z","lastSeenAt":"2026-04-24T05:33:06.145Z"}],"details":{"listingId":"f42065f4-6905-41ea-9e2d-50e34500114e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/79 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 version 1 challenge, accepting USDC on Base network with maxAmountRequired of 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/79"},{"claim":"USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/79"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider catalog includes data/analytics, AI/ML, finance/Web3, and infrastructure endpoints but does not list /api/v1/employees/79","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving employee record data on-demand with per-call USDC micropayments","Integrating pay-as-you-go data access into agent workflows without API key management","Demonstrating x402 payment protocol integration on Base network"],"bestFor":["Developers experimenting with x402 payment protocol","Agents needing keyless, pay-per-call data access","Projects already operating on the Base L2 network with USDC"],"notFor":["Bulk employee data retrieval (single-record endpoint, $0.02 each)","Users who need detailed API documentation or response schema guarantees","Applications requiring non-crypto payment methods"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.116Z"},"updatedAt":"2026-04-24T05:33:06.145Z"}}