{"id":"84be8fa5-2d0a-4590-ad12-035d7fba3088","shortId":"qscSyC","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 70) 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, 6 decimals), which equals $0.02 per request. The provider's landing page confirms a flat $0.02/request pricing model across all their API endpoints, with no API keys, no rate limits, and instant access. The endpoint is live and returning a valid 402 challenge.\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 per-call price point. Documentation beyond the landing page is essentially empty (all sub-pages just show \"Connect wallet\"), so there is no schema documentation for request body parameters or response format. The nature of the data returned (employee SSN) raises significant regulatory and privacy concerns — SSNs are personally identifiable information (PII) subject to strict handling requirements in most jurisdictions.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","json-response","per-call-micropayment"],"categories":["data"],"synonyms":["employee SSN API","social security number lookup","PII endpoint","employee record API","x402 data access","Base USDC micropayment API"],"warnings":["Endpoint returns employee SSN data — this is highly sensitive PII subject to strict regulatory requirements (e.g., HIPAA, state privacy laws, GDPR-adjacent rules). Ensure compliance before use.","No documentation exists for request body format or response schema — all doc pages return only 'Connect wallet'.","The endpoint path is hardcoded to employee ID 70; it is unclear whether other employee IDs are supported or what authorization controls exist.","The legitimacy and provenance of the employee data served by this endpoint is unknown. Use extreme caution."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/70/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/70/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 402 challenge, but documentation is essentially nonexistent — all doc/pricing/API pages show only 'Connect wallet'. There is no request or response schema, no examples, and the endpoint deals with highly sensitive PII (SSNs) with no documented compliance or authorization framework. The hardcoded employee ID (70) in the URL path raises questions about the endpoint's actual 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'0.02':12,26,95,106,159 '000':82 '0x8335':87 '20':81 '2913':88 '402':133 '6':91 '70':47 'Base USDC micropayment API' 'PII endpoint' 'accept':54 'access':124 'across':110 'advertis':77 'ai/ml':148 'analyt':147 'api':113,117,154 'base':9,23,67,83,90 'behind':48 'beyond':166 'bodi':189 'broader':141 'call':162 'challeng':76,134 'concern':207 'confirm':103 'connect':179 'data':4,18,39,146,198 'decim':92 'document':165,186 'employe':2,16,34,43,45,200 'employee SSN API' 'employee record API' 'employee-data' 'empti':172 'endpoint':30,53,114,126,136 'equal':94 'essenti':171 'exact':72 'finance/web3':150 'flat':105 'format':193 'handl':217 'id':46 'identifi':211 'infer':149 'inform':212 'infrastructur':152 'instant':123 'json':59 'json-response' 'jurisdict':221 'key':118 'land':101,168 'limit':121 'live':128 'lowpaymentfee.com':32,143 'maxamountrequir':79 'micropay':7,21 'model':109 'natur':195 'network':10,24,68 'number':37 'offer':145 'page':102,169,176 'paramet':190 'part':138 'payment':60 'paywal':51 'per':13,27,96,161 'per-cal':160 'per-call-micropayment' 'person':210 'pii':213 'platform':142 'point':164 'post':55 'price':108,163 'privaci':206 'provid':99 'rais':202 'rate':120 'record':44 'regulatori':204 'request':14,28,56,97,188 'requir':218 'respons':192 'retriev':1,15 'return':33,58,130,199 'schema':185 'scheme':73 'secur':36 'settl':62 'show':178 'signific':203 'social':35 'social security number lookup' 'specif':42 'ssn':3,17,38,201 'ssn-lookup' 'ssns':208 'strict':216 'sub':175 'sub-pag':174 'subject':214 'unit':84 'usdc':64,86 'usdc-base' 'use':69 'util':153 'valid':132 'via':5,19 'wallet':180 'x402':6,20,50,71,75 'x402 data access' 'x402-payment'","prices":[{"id":"79e28588-601a-4c13-bdfe-d5542599832d","listingId":"84be8fa5-2d0a-4590-ad12-035d7fba3088","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/70/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":"2026-04-21T18:32:17.386Z"}],"sources":[{"listingId":"84be8fa5-2d0a-4590-ad12-035d7fba3088","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/70/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.386Z","lastSeenAt":"2026-04-24T08:04:07.435Z"}],"details":{"listingId":"84be8fa5-2d0a-4590-ad12-035d7fba3088","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/70/ssn \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\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/70/ssn"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/70/ssn"},{"claim":"Flat $0.02 per request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages (docs, api, pricing, README) all show only 'Connect wallet'","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN for payroll or HR integrations","Programmatic identity verification workflows","Automated compliance checks requiring SSN data"],"bestFor":["Developers needing pay-per-call access to employee PII without API key management","Agent-based workflows that can settle USDC payments on Base","Low-volume lookups where subscription pricing is unnecessary"],"notFor":["Production systems requiring documented request/response schemas","Use cases where handling SSN data would violate privacy regulations","High-volume bulk data retrieval (no documented batch endpoint)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.733Z"},"updatedAt":"2026-04-24T08:04:07.435Z"}}