{"id":"eb5f25c6-6f1a-4dd5-a049-5462b645342f","shortId":"TtbCeL","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 (ID 158) behind an x402 paywall. The endpoint accepts POST requests and is settled in USDC on the Base network. The x402 challenge confirms the endpoint is live and requires a payment of 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) per request.\n\nThe provider 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 appears to serve sensitive personally identifiable information (an employee's SSN), which raises significant regulatory and ethical concerns. No documentation beyond the landing page was available — the docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content.\n\nBecause the endpoint returns PII (Social Security Numbers), consumers should exercise extreme caution. Accessing, storing, or transmitting SSNs is subject to strict legal requirements in most jurisdictions (e.g., GLBA, state data breach notification laws, IRS regulations). The legitimacy and authorization of this data source cannot be verified from the available materials.","tags":[],"capabilities":["x402-payment","usdc-base-network","employee-data","ssn-lookup","pay-per-call","post-method"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 employee data","micropayment SSN","Base USDC API"],"warnings":["CRITICAL: This endpoint serves Social Security Numbers (PII). Accessing SSNs without proper legal authorization may violate federal and state laws.","No documentation, request schema, or response schema is available — all doc pages return only 'Connect wallet'.","The legitimacy and data source of the SSN information cannot be verified from available materials.","Endpoint is scoped to a single hardcoded employee ID (158); unclear if other employee IDs are supported.","No OpenAPI spec, no AI plugin manifest, no robots.txt, no agents.txt found."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/158/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/158/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 no documentation, no request/response schema, no examples, and the endpoint serves highly sensitive PII (SSN) with no verifiable authorization or compliance information. Docs pages are 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'000':79 '158':46 '20':78 '6':89 'Base USDC API' 'PII endpoint' 'accept':53 'access':192 'ai/ml':109 'analyt':108 'api':105,123,163 'appear':135 'author':218 'avail':160,228 'base':9,23,63,80 'behind':47 'beyond':155 'breach':210 'broad':98 'call':104 'cannot':223 'catalog':99 'caution':191 'challeng':67 'commit':130 'concern':152 'confirm':68 'connect':172 'consum':187 'content':178 'data':4,18,39,107,209,221 'decim':90 'doc':162 'document':154 'e.g':206 'employe':2,16,34,43,143 'employee SSN lookup' 'employee-data' 'endpoint':30,52,70,134,181 'ethic':151 'exercis':189 'extrem':190 'financ':111 'glba':207 'host':96 'howev':131 'id':45 'identifi':140 'infer':110 'inform':141 'ir':213 'jurisdict':205 'key':124 'land':157 'law':212 'legal':201 'legitimaci':216 'limit':127 'live':72 'lowpaymentfee.com':32,95 'materi':229 'micropay':7,21 'micropayment SSN' 'network':10,24,64 'notif':211 'number':37,186 'page':158,167 'pay':102 'pay-per-cal':101 'pay-per-call' 'payment':76 'paywal':50 'per':13,27,91,103,119 'person':139 'pii':183 'post':54 'post-method' 'price':116,164 'prompt':174 'provid':94 'rais':147 'rate':126 'readm':166 'record':44 'regul':214 'regulatori':149 'request':14,28,55,92,120 'requir':74,202 'retriev':1,15 'return':33,169,182 'secur':36,185 'sensit':138 'serv':137 'servic':114 'settl':58 'signific':148 'sinc':86 'social':35,184 'social security number API' 'sourc':222 'span':106 'specif':42,133 'ssn':3,17,38,145 'ssn-lookup' 'ssns':196 'state':208 'store':193 'strict':200 'subject':198 'substant':177 'transmit':195 'unit':81 'usd':85 'usdc':60,83,87 'usdc-base-network' 'use':88 'util':113 'verifi':225 'via':5,19 'wallet':173 'x402':6,20,49,66 'x402 employee data' 'x402-payment'","prices":[{"id":"a45ed7ae-8d1c-4acc-8141-926d47ce7c51","listingId":"eb5f25c6-6f1a-4dd5-a049-5462b645342f","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/158/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":"2026-04-21T18:32:14.787Z"}],"sources":[{"listingId":"eb5f25c6-6f1a-4dd5-a049-5462b645342f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/158/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.787Z","lastSeenAt":"2026-04-25T01:33:25.250Z"}],"details":{"listingId":"eb5f25c6-6f1a-4dd5-a049-5462b645342f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/158/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 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/158/ssn"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/158/ssn"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving an employee's SSN for payroll or tax processing (if authorized)","Verifying SSN data against internal records","Automated HR data retrieval workflows"],"bestFor":["Developers needing pay-per-call access to employee PII without API key management","Agents that can settle x402 payments in USDC on Base"],"notFor":["Anyone without legal authorization to access SSN data","Use cases requiring bulk employee record retrieval (endpoint is scoped to a single employee ID)","Privacy-sensitive applications where PII exposure is unacceptable"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.466Z"},"updatedAt":"2026-04-25T01:33:25.250Z"}}