{"id":"a5fcd69b-ee06-435a-8200-a374e0ef763a","shortId":"At97gq","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 (ID 112) behind an x402 paywall. The endpoint accepts POST requests and is settled in USDC on the Base network. The x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (6 decimals), which equals $0.02 per request.\n\nThe provider site lowpaymentfee.com hosts a broad catalog of pay-per-call 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. However, this specific endpoint is notable because it purports to return personally identifiable information (an employee's SSN), which raises significant regulatory and ethical concerns. There is no documentation, OpenAPI schema, or example responses available for this endpoint; the crawled docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no additional content.\n\nThe endpoint is confirmed live — it returns a proper x402 402 challenge with version 1, scheme \"exact\", paying to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base. The output MIME type is application/json. No input schema or response schema is documented beyond the basic HTTP POST method declaration.","tags":[],"capabilities":["x402-payment","usdc-base","employee-ssn-lookup","json-response","pay-per-call"],"categories":["data","pii"],"synonyms":["employee SSN API","social security number lookup","PII endpoint","x402 employee data","Base USDC API","lowpaymentfee SSN"],"warnings":["This endpoint purports to return Social Security Numbers (PII). Handling SSNs is subject to strict regulations (e.g., CCPA, GLBA, IRS Publication 1075). Verify legal compliance before use.","No documentation, OpenAPI schema, or example responses are available — the docs/pricing/API pages all render only a wallet-connect prompt.","The endpoint is hardcoded to employee ID 112; it is unclear whether other employee IDs are supported or what the data source is.","No input schema is documented; request body format is unknown.","Legitimacy of the data source is unverified — this could be synthetic/demo data or improperly exposed real PII."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/112/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/112/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 and returns a valid x402 challenge, but there is no OpenAPI schema, no documented input/output format, no example responses, and the docs pages are empty. The endpoint deals with highly sensitive PII (SSNs) with no visible compliance or authorization framework, which is a major red 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'000':72 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':199 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':203 '1':193 '112':45 '20':71 '402':189 '6':77 'Base USDC API' 'PII endpoint' 'accept':52 'addit':177 'address':198 'advertis':67 'ai/ml':101 'analyt':100 'api':97,115,166 'application/json':211 'avail':157 'base':9,23,62,73,205 'basic':222 'behind':46 'beyond':220 'broad':90 'call':96 'catalog':91 'challeng':66,190 'commit':122 'concern':147 'confirm':182 'connect':172 'content':178 'contract':202 'crawl':162 'data':4,18,39,99 'decim':78 'declar':226 'doc':163 'document':151,219 'employe':2,16,34,43,138 'employee SSN API' 'employee-ssn-lookup' 'endpoint':30,51,126,160,180 'equal':80 'ethic':146 'exact':195 'exampl':155 'financ':103 'host':88 'howev':123 'http':223 'id':44 'identifi':135 'infer':102 'inform':136 'input':213 'json-response' 'key':116 'limit':119 'live':183 'lowpaymentfee SSN' 'lowpaymentfee.com':32,87 'maxamountrequir':69 'method':225 'micropay':7,21 'mime':208 'network':10,24,63 'notabl':128 'number':37 'openapi':152 'output':207 'page':167 'pay':94,196 'pay-per-cal':93 'pay-per-call' 'paywal':49 'per':13,27,82,95,111 'person':134 'post':53,224 'price':108,164 'prompt':174 'proper':187 'provid':85 'purport':131 'rais':142 'rate':118 'regulatori':144 'request':14,28,54,83,112 'respons':156,216 'retriev':1,15 'return':33,133,169,185 'schema':153,214,217 'scheme':194 'secur':36 'servic':106 'settl':57 'signific':143 'site':86 'social':35 'social security number lookup' 'span':98 'specif':42,125 'ssn':3,17,38,140 'type':209 'unit':74 'usdc':59,76,201 'usdc-base' 'use':200 'util':105 'version':192 'via':5,19 'wallet':173 'x402':6,20,48,65,188 'x402 employee data' 'x402-payment'","prices":[{"id":"57041863-e933-477a-a931-485a945360a6","listingId":"a5fcd69b-ee06-435a-8200-a374e0ef763a","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/112/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":"2026-04-21T18:32:13.587Z"}],"sources":[{"listingId":"a5fcd69b-ee06-435a-8200-a374e0ef763a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/112/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.587Z","lastSeenAt":"2026-04-25T08:33:44.345Z"}],"details":{"listingId":"a5fcd69b-ee06-435a-8200-a374e0ef763a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/112/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 x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/112/ssn"},{"claim":"USDC contract address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/112/ssn"},{"claim":"All APIs on the site are priced at $0.02 per request with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, pricing, API, and README pages return only a Connect wallet prompt with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN for payroll or HR verification workflows","Automated identity verification pipelines requiring SSN data","Internal employee data retrieval behind a micropayment wall"],"bestFor":["Developers needing pay-per-call access to employee PII without API key management","Automated agents that can settle x402 payments in USDC on Base","Low-volume, on-demand SSN lookups"],"notFor":["Production systems requiring documented schemas and SLAs","Use cases where handling SSNs would violate data protection regulations (GDPR, CCPA, etc.)","High-volume bulk PII retrieval"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.169Z"},"updatedAt":"2026-04-25T08:33:44.345Z"}}