{"id":"2b3f2071-f63f-4f1c-81e8-431489a396dc","shortId":"ENrYbG","kind":"x402","title":"Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.","tagline":"Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.","description":"This endpoint at lowpaymentfee.com returns employee Social Security Number (SSN) data for a specific employee record (employee ID 89) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled in USDC on the Base network using the x402 \"exact\" scheme.\n\nThe x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. This matches the site-wide pricing of $0.02 per request. The provider advertises no API keys, no rate limits, and instant access — payment is the only authentication mechanism. The payment timeout is 300 seconds.\n\nThis endpoint is part of a broader platform (lowpaymentfee.com) that offers data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs, all at the same $0.02/request price point. Documentation pages beyond the landing page returned only a \"Connect wallet\" prompt with no additional technical detail, so the exact response schema and full input parameters are unknown.","tags":[],"capabilities":["x402-payment","usdc-base","employee-ssn-lookup","json-response","post-method","micropayment"],"categories":["data","identity"],"synonyms":["employee SSN API","social security number lookup","PII endpoint","employee data API","x402 data access","paid SSN retrieval"],"warnings":["Endpoint serves personally identifiable information (SSN) — verify compliance with applicable privacy regulations (e.g., CCPA, GLBA, SOC 2) before use.","No response schema or request body documentation is available; behavior must be inferred from the endpoint path alone.","The endpoint path is hardcoded to employee ID 89; it is unclear whether other employee IDs are supported or how to discover them.","All documentation pages beyond the landing page returned only 'Connect wallet' with no usable content.","The legitimacy and data source of the SSN data served by this endpoint is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/89/ssn","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/89/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no documented request/response body, and all docs pages return only 'Connect wallet' with no technical content. The endpoint path exposes a hardcoded employee ID (89) with no explanation of how to query other records. The nature of the data (SSN) raises regulatory 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'0.02':12,26,93,107,158 '000':82 '0x8335':87 '20':81 '2913':88 '300':132 '6':97 '89':47 'PII endpoint' 'accept':54 'access':121 'addit':176 'advertis':77,112 'ai/ml':147 'analyt':146 'api':114,153 'authent':126 'base':9,23,67,83,90 'behind':48 'beyond':164 'broader':140 'challeng':76 'connect':171 'data':4,18,39,145 'decim':98 'detail':178 'document':162 'employe':2,16,34,43,45 'employee SSN API' 'employee data API' 'employee-ssn-lookup' 'endpoint':30,53,135 'equal':92 'exact':72,181 'finance/web3':149 'full':185 'given':94 'id':46 'infer':148 'infrastructur':151 'input':186 'instant':120 'json':59 'json-response' 'key':115 'land':166 'limit':118 'lowpaymentfee.com':32,142 'match':100 'maxamountrequir':79 'mechan':127 'micropay':7,21 'micropayment' 'network':10,24,68 'number':37 'offer':144 'page':163,167 'paid SSN retrieval' 'paramet':187 'part':137 'payment':60,122,129 'paywal':51 'per':13,27,108 'platform':141 'point':161 'post':55 'post-method' 'price':105,160 'prompt':173 'provid':111 'rate':117 'record':44 'request':14,28,56,109 'respons':182 'retriev':1,15 'return':33,58,168 'schema':183 'scheme':73 'second':133 'secur':36 'settl':62 'site':103 'site-wid':102 'social':35 'social security number lookup' 'specif':42 'ssn':3,17,38 'technic':177 'timeout':130 'unit':84 'unknown':189 'usdc':64,86,95 'usdc-base' 'use':69 'util':152 'via':5,19 'wallet':172 'wide':104 'x402':6,20,50,71,75 'x402 data access' 'x402-payment'","prices":[{"id":"114554a3-64ed-4817-a24a-e71200cfb4b4","listingId":"2b3f2071-f63f-4f1c-81e8-431489a396dc","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/89/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:18.217Z"}],"sources":[{"listingId":"2b3f2071-f63f-4f1c-81e8-431489a396dc","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/89/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:18.217Z","lastSeenAt":"2026-04-24T03:04:25.189Z"}],"details":{"listingId":"2b3f2071-f63f-4f1c-81e8-431489a396dc","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/89/ssn \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base network with a 300-second timeout.","source_url":"https://lowpaymentfee.com/api/v1/employees/89/ssn"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access.","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","source_url":"https://lowpaymentfee.com/api/v1/employees/89/ssn"}],"useCases":["Retrieving employee SSN for payroll or HR integrations","Programmatic identity verification workflows requiring SSN data","Agent-driven access to sensitive employee records with per-call payment"],"bestFor":["Developers needing on-demand SSN data without API key management","Agents that can settle x402 micropayments on Base","Use cases where pay-per-request is preferable to subscription billing"],"notFor":["Bulk retrieval of many employee records (no batch endpoint documented)","Users who cannot transact in USDC on the Base network","Scenarios requiring detailed documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:12.544Z"},"updatedAt":"2026-04-24T03:04:25.189Z"}}