{"id":"99e8669d-6eb4-46e1-87fa-0aa56d4f985b","shortId":"cDbtDk","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 given employee ID, gated behind an x402 payment challenge. The specific resource path `/api/v1/employees/22/ssn` suggests a REST-style lookup of sensitive PII (personally identifiable information) for employee record #22. Payment is settled in USDC on the Base network at $0.02 per request (20,000 base units with 6 decimals = $0.02).\n\nThe provider site lowpaymentfee.com hosts a broad catalog of x402-gated API endpoints spanning data analytics, AI/ML inference, finance, and utility services, all priced uniformly at $0.02 per call. The x402 challenge confirms the endpoint is live, accepts POST requests, and requires an X-PAYMENT header with an exact-scheme USDC payment on Base. No API keys or rate limits are advertised; access is purely pay-per-request.\n\nImportant caveat: This endpoint purports to serve SSN data, which is highly sensitive PII. There is no documentation explaining the data source, authorization model, or compliance posture. The crawled docs, pricing, and README pages all returned only a \"Connect wallet\" stub with no substantive content. Consumers should exercise extreme caution and verify legal and regulatory compliance before using an endpoint that returns SSN-class data.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","pay-per-request","rest-api","pii-retrieval"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 employee data","micropayment SSN","Base USDC API","employee record API"],"warnings":["Endpoint serves Social Security Numbers (SSN), which is highly regulated PII — verify legal compliance before use","No documentation available: docs, pricing, and README pages all return only a 'Connect wallet' stub","No request or response schema provided — input/output formats are unknown","No OpenAPI specification or examples available","Data source and authorization model for employee records are completely undocumented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/22/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/22/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request/response schemas, no OpenAPI spec, no examples, and the docs/pricing/README pages are all empty stubs. The endpoint serves highly sensitive PII (SSN) with no visible compliance or authorization documentation, which is a significant red 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'0.02':12,26,82,92,120 '000':86 '20':85 '22':71 '6':90 'Base USDC API' 'PII endpoint' 'accept':131 'access':158 'advertis':157 'ai/ml':110 'analyt':109 'api':105,151 'author':187 'base':9,23,79,87,149 'behind':46 'broad':99 'call':122 'catalog':100 'caution':214 'caveat':166 'challeng':50,125 'class':229 'complianc':190,220 'confirm':126 'connect':203 'consum':210 'content':209 'crawl':193 'data':4,18,39,108,173,185,230 'decim':91 'doc':194 'document':182 'employe':2,16,34,43,69 'employee SSN lookup' 'employee record API' 'employee-data' 'endpoint':30,106,128,168,224 'exact':144 'exact-schem':143 'exercis':212 'explain':183 'extrem':213 'financ':112 'gate':45,104 'given':42 'header':140 'high':176 'host':97 'id':44 'identifi':66 'import':165 'infer':111 'inform':67 'key':152 'legal':217 'limit':155 'live':130 'lookup':61 'lowpaymentfee.com':32,96 'micropay':7,21 'micropayment SSN' 'model':188 'network':10,24,80 'number':37 'page':198 'path':54 'pay':162 'pay-per-request':161 'payment':49,72,139,147 'per':13,27,83,121,163 'person':65 'pii':64,178 'pii-retrieval' 'post':132 'postur':191 'price':117,195 'provid':94 'pure':160 'purport':169 'rate':154 'readm':197 'record':70 'regulatori':219 'request':14,28,84,133,164 'requir':135 'resourc':53 'rest':59 'rest-api' 'rest-styl':58 'retriev':1,15 'return':33,200,226 'scheme':145 'secur':36 'sensit':63,177 'serv':171 'servic':115 'settl':74 'site':95 'social':35 'social security number API' 'sourc':186 'span':107 'specif':52 'ssn':3,17,38,172,228 'ssn-class':227 'ssn-lookup' 'stub':205 'style':60 'substant':208 'suggest':56 'uniform':118 'unit':88 'usdc':76,146 'usdc-base' 'use':222 'util':114 'verifi':216 'via':5,19 'wallet':204 'x':138 'x-payment':137 'x402':6,20,48,103,124 'x402 employee data' 'x402-gated':102 'x402-payment'","prices":[{"id":"f391bcee-ad61-43e5-b396-ed2ee47a403c","listingId":"99e8669d-6eb4-46e1-87fa-0aa56d4f985b","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/22/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":"2026-04-21T18:32:16.113Z"}],"sources":[{"listingId":"99e8669d-6eb4-46e1-87fa-0aa56d4f985b","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/22/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.113Z","lastSeenAt":"2026-04-24T16:32:47.073Z"}],"details":{"listingId":"99e8669d-6eb4-46e1-87fa-0aa56d4f985b","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/22/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":"Endpoint returns 402 with x402 challenge requiring USDC payment on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/22/ssn"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/22/ssn"},{"claim":"maxAmountRequired is 20000 base units (USDC 6 decimals = $0.02)","source_url":"https://lowpaymentfee.com/api/v1/employees/22/ssn"}],"useCases":["Retrieving employee SSN for payroll or HR integrations","Automated identity verification workflows requiring SSN data","Agent-driven compliance checks that need SSN cross-referencing"],"bestFor":["Developers needing on-demand SSN lookups without API key management","Agent workflows that can settle USDC micropayments on Base","Pay-per-use access to employee PII without subscription commitments"],"notFor":["Bulk data exports or batch SSN retrieval (single-record endpoint)","Users who cannot settle USDC payments on the Base network","Any use case where serving SSN data over a public API violates applicable regulations"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.65Z"},"updatedAt":"2026-04-24T16:32:47.073Z"}}