{"id":"5b24ba0d-52ac-4026-a13b-9b020fd2fd85","shortId":"4rEdq3","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 SSN (Social Security Number) data for a specific employee record (ID 105) 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 lowpaymentfee.com hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. This particular endpoint falls outside those advertised categories and appears to serve sensitive personally identifiable information (PII). No OpenAPI schema, request/response examples, or detailed documentation were found beyond the x402 challenge itself.\n\nBecause this endpoint returns Social Security Numbers — highly regulated PII in the United States — consumers should exercise extreme caution. The legitimacy and legality of this data source is unclear. There is no documentation explaining the data provenance, authorization model, or compliance posture. The crawled docs, pricing, API, and README pages all returned only a \"Connect wallet\" stub with no substantive content.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","pii-retrieval","pay-per-call"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 employee data","Base USDC micropayment API","SSN retrieval"],"warnings":["This endpoint returns Social Security Numbers — highly regulated PII in the US. Data provenance, authorization, and legal compliance are completely undocumented.","No OpenAPI schema, request body specification, or response examples are available.","All documentation pages (/docs, /api, /pricing, /README) returned only a 'Connect wallet' stub with no substantive content.","The legitimacy of this data source cannot be verified from available materials. Use at your own legal risk.","Endpoint path is hardcoded to employee ID 105; it is unclear whether other employee IDs are supported."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/105/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/105/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 captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response examples, no meaningful documentation, and the endpoint serves highly sensitive PII with no explanation of data provenance or compliance. Docs pages returned only wallet-connect 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'000':73 '105':46 '20':72 '6':78 'Base USDC micropayment API' 'PII endpoint' 'SSN retrieval' 'accept':53 'advertis':68,130 'ai/ml':101 'analyt':100 'api':97,116,202 'appear':133 'author':193 'base':9,23,63,74 'behind':47 'beyond':151 'broad':90 'call':96 'catalog':91 'categori':131 'caution':174 'challeng':67,154 'commit':123 'complianc':196 'connect':210 'consum':170 'content':216 'crawl':199 'crypto':104 'data':4,18,39,99,181,191 'decim':79 'detail':147 'doc':200 'document':148,188 'employe':2,16,34,43 'employee SSN lookup' 'employee-data' 'endpoint':30,52,126,158 'equal':81 'exampl':145 'exercis':172 'explain':189 'extrem':173 'fall':127 'financ':103 'found':150 'high':163 'host':88 'id':45 'identifi':138 'infer':102 'inform':139 'key':117 'legal':178 'legitimaci':176 'limit':120 'lowpaymentfee.com':32,87 'maxamountrequir':70 'micropay':7,21 'model':194 'network':10,24,64 'number':38,162 'openapi':142 'outsid':128 'page':205 'particular':125 'pay':94 'pay-per-cal':93 'pay-per-call' 'paywal':50 'per':13,27,83,95,112 'person':137 'pii':140,165 'pii-retrieval' 'post':54 'postur':197 'price':109,201 'proven':192 'provid':86 'rate':119 'readm':204 'record':44 'regul':164 'request':14,28,55,84,113 'request/response':144 'retriev':1,15 'return':33,159,207 'schema':143 'secur':37,161 'sensit':136 'serv':135 'servic':107 'settl':58 'social':36,160 'social security number API' 'sourc':182 'span':98 'specif':42 'ssn':3,17,35 'ssn-lookup' 'state':169 'stub':212 'substant':215 'unclear':184 'unit':75,168 'usdc':60,77 'usdc-base' 'util':106 'via':5,19 'wallet':211 'x402':6,20,49,66,153 'x402 employee data' 'x402-payment'","prices":[{"id":"c3b9d9e5-bdb6-4889-98ed-6d9915942e2f","listingId":"5b24ba0d-52ac-4026-a13b-9b020fd2fd85","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/105/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":"2026-04-21T18:32:13.615Z"}],"sources":[{"listingId":"5b24ba0d-52ac-4026-a13b-9b020fd2fd85","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/105/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.615Z","lastSeenAt":"2026-04-25T08:33:44.393Z"}],"details":{"listingId":"5b24ba0d-52ac-4026-a13b-9b020fd2fd85","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/105/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":"x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/105/ssn"},{"claim":"USDC asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/105/ssn"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages returned only 'Connect wallet' stub","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN for payroll or identity verification workflows","Programmatic access to sensitive employee records behind a micropayment wall","Agent-driven PII lookup with per-call USDC settlement"],"bestFor":["Developers needing on-demand SSN data with no API key signup","Agents that can settle x402 payments in USDC on Base","Pay-per-use access to employee records"],"notFor":["Any use case requiring verified, compliant PII sourcing with clear data provenance","Production systems subject to US privacy regulations (GLBA, FCRA, state SSN protection laws)","Users who cannot settle USDC payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:19.081Z"},"updatedAt":"2026-04-25T08:33:44.393Z"}}