{"id":"88efc02e-f98e-4bec-a724-9f4a3eb5c6a5","shortId":"DqrL3q","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 163) 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 site also offers endpoints in categories like data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all at the same price point.\n\nDocumentation is extremely sparse. The /docs, /api, /pricing, and /README pages all returned only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no explanation of what fields the SSN endpoint actually returns or what input it expects beyond a POST to the given URL. The endpoint is live (returns a valid 402 challenge), but the nature of the data — purporting to be an employee SSN — raises significant regulatory and ethical concerns.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","json-response","per-request-pricing"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 data API","Base USDC micropayment","employee records API"],"warnings":["Endpoint claims to return Social Security Numbers — this is highly regulated PII (subject to FCRA, state privacy laws, GDPR-adjacent rules). Use with extreme caution and only where legally authorized.","No documentation exists beyond the landing page listing. /docs, /pricing, /api, and /README all return only a wallet-connect prompt.","No OpenAPI spec or response schema is available; request body format and response structure are unknown.","No information on data provenance — it is unclear whether the SSN data is real, synthetic, or a demo placeholder.","The endpoint path is hardcoded to employee ID 163; it is unclear if other employee IDs are supported."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/163/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/163/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 402 challenge, but documentation is effectively nonexistent — no OpenAPI spec, no request/response schema, no examples. The endpoint purports to serve highly sensitive PII (SSNs) with no visible compliance, authentication, or authorization controls beyond payment. This is a stub-level listing with serious regulatory red 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'/docs':151 '/pricing':153 '/readme':155 '/request':106 '0.02':12,26,94,105 '000':81 '0x8335':86 '163':46 '20':80 '2913':87 '402':207 '6':90 'Base USDC micropayment' 'PII endpoint' 'accept':53 'access':123 'across':109 'actual':186 'advertis':76 'ai/ml':134 'also':126 'analyt':133 'api':112,116 'base':9,23,66,82,89 'behind':47 'beyond':193 'categori':130 'challeng':75,208 'concern':226 'confirm':102 'connect':161 'content':167 'data':4,18,39,132,214 'decim':91 'document':146,176 'employe':2,16,34,43,219 'employee SSN lookup' 'employee records API' 'employee-data' 'endpoint':30,52,113,128,185,201 'equal':93 'ethic':225 'exact':71 'expect':192 'explan':179 'extrem':148 'field':182 'finance/web3':136 'flat':104 'given':198 'id':45 'infer':135 'infrastructur':138 'input':190 'instant':122 'json':58 'json-response' 'key':117 'land':100 'like':131 'limit':120 'live':203 'lowpaymentfee.com':32 'maxamountrequir':78 'micropay':7,21 'model':108 'natur':211 'network':10,24,67 'number':37 'offer':127 'openapi':171 'page':101,156 'payment':59 'paywal':50 'per':13,27,95 'per-request-pricing' 'point':145 'post':54,195 'price':107,144 'prompt':163 'provid':98 'purport':215 'rais':221 'rate':119 'record':44 'regulatori':223 'request':14,28,55,96 'request/response':174 'retriev':1,15 'return':33,57,158,187,204 'schema':175 'scheme':72 'secur':36 'settl':61 'signific':222 'site':125 'social':35 'social security number API' 'spars':149 'spec':172 'specif':42 'ssn':3,17,38,184,220 'ssn-lookup' 'unit':83 'url':199 'usdc':63,85 'usdc-base' 'use':68 'util':139 'valid':206 'via':5,19 'wallet':162 'x402':6,20,49,70,74 'x402 data API' 'x402-payment'","prices":[{"id":"3d815297-6daa-4e44-9091-fb64920a4772","listingId":"88efc02e-f98e-4bec-a724-9f4a3eb5c6a5","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/163/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":"2026-04-21T18:32:14.637Z"}],"sources":[{"listingId":"88efc02e-f98e-4bec-a724-9f4a3eb5c6a5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/163/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.637Z","lastSeenAt":"2026-04-25T01:33:25.065Z"}],"details":{"listingId":"88efc02e-f98e-4bec-a724-9f4a3eb5c6a5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/163/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/163/ssn"},{"claim":"The provider advertises $0.02 per request pricing with no API keys, no rate limits, and instant access","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/163/ssn"},{"claim":"Documentation pages (/docs, /api, /pricing, /README) returned only a Connect wallet prompt with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN data for payroll or HR integrations","Programmatic access to sensitive employee identifiers","Agent-driven lookups of employee PII with per-call payment"],"bestFor":["Developers needing on-demand SSN retrieval without API key management","Automated systems requiring pay-per-call access to employee records","x402-compatible agents on the Base network"],"notFor":["Anyone without a legitimate, lawful need for SSN data — exposing SSNs raises serious privacy and compliance risks","Use cases requiring bulk data export or batch processing (no documented batch endpoint)","Users who need detailed documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.667Z"},"updatedAt":"2026-04-25T01:33:25.065Z"}}