{"id":"b8970ed1-09e0-49c1-9c56-06a3c7e178e3","shortId":"Xhg75Y","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 provides access to employee Social Security Number (SSN) data behind an x402 paywall. The specific resource `/api/v1/employees/123/ssn` accepts POST requests and charges $0.02 per call, settled in USDC on the Base network. The x402 challenge is live and returns a standard 402 Payment Required response with payment details.\n\nThe endpoint is part of a broader API platform at lowpaymentfee.com that offers multiple categories of paid endpoints including data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request. The platform advertises no API keys, no rate limits, and instant access; payment is handled entirely through the x402 protocol using USDC on Base.\n\nDocumentation is extremely sparse. The docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI schema, no request/response examples, and no description of what fields the SSN endpoint returns or what input it expects beyond being a POST endpoint. The endpoint path suggests it returns sensitive personally identifiable information (PII), which raises significant regulatory and ethical concerns.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","pii-access","per-request-billing"],"categories":["data"],"synonyms":["employee SSN API","social security number lookup","PII endpoint","employee data API","x402 paid data","Base USDC API"],"warnings":["Endpoint serves Social Security Numbers (PII) — subject to strict legal regulations (e.g., FCRA, state privacy laws). Verify the provider's legitimacy and your legal authority before use.","No documentation available: docs, API, pricing, and README pages all show only 'Connect wallet' with no technical content.","No OpenAPI schema or response examples provided — request/response format is unknown.","The employee ID '123' in the path appears to be a placeholder or demo; unclear if arbitrary IDs are supported.","Provider identity and data sourcing are completely opaque — no terms of service, privacy policy, or compliance information found."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/123/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/123/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.250","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is zero documentation beyond the landing page listing. No OpenAPI schema, no request/response examples, no explanation of what data is returned. The endpoint deals with highly sensitive PII (SSNs) with no visible compliance, privacy, or authorization 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'0.02':12,26,55,112 '402':74 'Base USDC API' 'PII endpoint' 'accept':50 'access':34,126 'addit':159 'advertis':117 'ai/ml':102 'analyt':101 'api':88,119,145 'base':9,23,63,138 'behind':42 'beyond':185 'broader':87 'call':57 'categori':95 'challeng':67 'charg':54 'concern':207 'connect':154 'data':4,18,41,100,105 'descript':172 'detail':80,161 'doc':144 'document':139 'employe':2,16,36 'employee SSN API' 'employee data API' 'employee-data' 'endpoint':30,82,98,178,189,191 'entir':130 'ethic':206 'exampl':169 'expect':184 'extrem':141 'field':175 'finance/web3':104 'handl':129 'identifi':198 'includ':99 'infer':103 'inform':199 'infrastructur':107 'input':182 'instant':125 'key':120 'limit':123 'live':69 'lowpaymentfee.com':32,91 'micropay':7,21 'multipl':94 'network':10,24,64 'number':39 'offer':93 'openapi':165 'page':149 'paid':97 'part':84 'path':192 'payment':75,79,127 'paywal':45 'per':13,27,56,113 'per-request-billing' 'person':197 'pii':200 'pii-access' 'platform':89,116 'post':51,188 'price':110,146 'prompt':156 'protocol':134 'provid':33 'rais':202 'rate':122 'readm':148 'regulatori':204 'render':151 'request':14,28,52,114 'request/response':168 'requir':76 'resourc':48 'respons':77 'retriev':1,15 'return':71,179,195 'schema':166 'secur':38 'sensit':196 'settl':58 'signific':203 'social':37 'social security number lookup' 'spars':142 'specif':47 'ssn':3,17,40,177 'ssn-lookup' 'standard':73 'suggest':193 'technic':160 'usdc':60,136 'usdc-base' 'use':135 'util':108 'via':5,19 'wallet':155 'x402':6,20,44,66,133 'x402 paid data' 'x402-payment'","prices":[{"id":"9ed29833-d794-466e-992c-2bdf5cd0d802","listingId":"b8970ed1-09e0-49c1-9c56-06a3c7e178e3","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/123/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":"2026-04-21T18:32:13.917Z"}],"sources":[{"listingId":"b8970ed1-09e0-49c1-9c56-06a3c7e178e3","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/123/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:13.917Z","lastSeenAt":"2026-04-25T07:04:08.086Z"}],"details":{"listingId":"b8970ed1-09e0-49c1-9c56-06a3c7e178e3","quickStartSnippet":"# 1. Obtain x402 payment header (USDC on Base, $0.02)\n# 2. POST to the endpoint with the payment header\ncurl -X POST https://lowpaymentfee.com/api/v1/employees/123/ssn \\\n  -H \"X-PAYMENT: <your-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 endpoint returns a 402 challenge with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/123/ssn"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/123/ssn"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access","source_url":"https://lowpaymentfee.com"},{"claim":"Docs, API, pricing, and README pages render only 'Connect wallet' with no additional 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 records behind a paywall"],"bestFor":["Developers needing on-demand employee SSN retrieval via micropayment","Systems that integrate x402 payment flows for sensitive data access"],"notFor":["Anyone without a legitimate, lawful need for SSN data — access to SSNs is heavily regulated","Use cases requiring detailed API documentation or guaranteed SLAs","Bulk data export of employee records (no batch endpoint documented)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.705Z"},"updatedAt":"2026-04-25T07:04:08.086Z"}}