{"id":"d9db7fa7-b79d-45a7-bf3d-5cfdc2b9a515","shortId":"3ztKwH","kind":"x402","title":"Retrieve employee SSN data via x402 micropayment on Base (USDC).","tagline":"Retrieve employee SSN data via x402 micropayment on Base (USDC).","description":"This endpoint at lowpaymentfee.com returns employee SSN (Social Security Number) data for a specific employee record (ID 178) behind an x402 paywall. The endpoint accepts POST requests and settles payments in USDC on the Base network. The x402 challenge advertises a maximum cost of 20,000 base units of USDC (6 decimals), which equals $0.02 per request.\n\nThe provider lowpaymentfee.com hosts a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, and utility services, all priced at $0.02 per request with no API keys, no rate limits, and no commitments required. However, this specific endpoint serves sensitive personally identifiable information (employee SSN), which raises significant regulatory and ethical concerns. No OpenAPI schema, request/response examples, or detailed documentation were found beyond the landing page listing.\n\nThe endpoint is live and returns a valid x402 challenge (HTTP 402) with payment details. The payment is directed to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base. The timeout for payment settlement is 300 seconds.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","per-request-billing","no-api-key"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","employee data API","SSN retrieval","x402 data access"],"warnings":["This endpoint exposes Social Security Numbers (SSN), which are highly regulated PII. Accessing, storing, or transmitting SSNs may be subject to FCRA, GLBA, state privacy laws, and other regulations. Use with extreme caution and ensure legal compliance.","No OpenAPI schema or detailed documentation is available for this endpoint.","No response format examples are provided — the actual data returned is unknown.","The provider site pages (docs, api, pricing, README) all returned only 'Connect wallet' with no substantive content.","The endpoint is scoped to a single employee ID (178); it is unclear whether other employee IDs are supported or what authorization model governs access."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/178/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/178/ssn","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 schema, no request/response examples, and no documentation beyond a landing page. The endpoint serves highly sensitive PII (SSN) with no visible compliance documentation, which is a major red 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'000':66 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':170 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':174 '178':38 '20':65 '300':183 '402':160 '6':71 'PII endpoint' 'SSN retrieval' 'accept':45 'address':169 'advertis':60 'ai/ml':93 'analyt':92 'api':89,107 'base':9,19,55,67,176 'behind':39 'beyond':144 'broad':83 'catalog':84 'challeng':59,158 'commit':114 'concern':133 'contract':173 'cost':63 'data':4,14,31,91 'decim':72 'detail':140,163 'direct':167 'document':141 'employe':2,12,26,35,125 'employee SSN lookup' 'employee data API' 'employee-data' 'endpoint':22,44,119,150 'equal':74 'ethic':132 'exampl':138 'financ':95 'found':143 'gate':88 'host':81 'howev':116 'http':159 'id':37 'identifi':123 'infer':94 'inform':124 'key':108 'land':146 'limit':111 'list':148 'live':152 'lowpaymentfee.com':24,80 'maximum':62 'micropay':7,17 'network':56 'no-api-key' 'number':30 'openapi':135 'page':147 'payment':50,162,165,180 'paywal':42 'per':76,103 'per-request-billing' 'person':122 'post':46 'price':100 'provid':79 'rais':128 'rate':110 'record':36 'regulatori':130 'request':47,77,104 'request/response':137 'requir':115 'retriev':1,11 'return':25,154 'schema':136 'second':184 'secur':29 'sensit':121 'serv':120 'servic':98 'settl':49 'settlement':181 'signific':129 'social':28 'social security number API' 'span':90 'specif':34,118 'ssn':3,13,27,126 'ssn-lookup' 'timeout':178 'unit':68 'usdc':10,20,52,70,172 'usdc-base' 'use':171 'util':97 'valid':156 'via':5,15 'x402':6,16,41,58,87,157 'x402 data access' 'x402-gated':86 'x402-payment'","prices":[{"id":"0150b8c5-8af7-44f2-8b11-fe11bdb349dd","listingId":"d9db7fa7-b79d-45a7-bf3d-5cfdc2b9a515","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/178/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":"2026-04-21T18:32:15.293Z"}],"sources":[{"listingId":"d9db7fa7-b79d-45a7-bf3d-5cfdc2b9a515","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/178/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.293Z","lastSeenAt":"2026-04-24T21:32:51.310Z"}],"details":{"listingId":"d9db7fa7-b79d-45a7-bf3d-5cfdc2b9a515","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/178/ssn \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns HTTP 402 with a valid x402 challenge advertising USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/178/ssn"},{"claim":"maxAmountRequired is 20000 base units of USDC (6 decimals) = $0.02 per request","source_url":"https://lowpaymentfee.com/api/v1/employees/178/ssn"},{"claim":"The provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Payment is directed to 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/178/ssn"}],"useCases":["Retrieving SSN for employee record 178 via programmatic access","Integrating employee identity verification into payroll or HR workflows","Demonstrating x402 micropayment gating for sensitive data endpoints"],"bestFor":["Developers exploring x402 payment protocol implementations","Automated systems needing on-demand PII retrieval with per-call billing","Testing x402 micropayment flows on Base network"],"notFor":["Unauthorized access to PII — SSN data is heavily regulated under laws like FCRA, GLBA, and state privacy statutes","Bulk data scraping or mass SSN collection","Use cases requiring documented API schemas, SLAs, or compliance certifications"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:16.811Z"},"updatedAt":"2026-04-24T21:32:51.310Z"}}