{"id":"f388f999-78dc-4eb7-a5db-3ca9dc146de0","shortId":"wKbWMa","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 26). It is part of a broader suite of pay-per-request APIs offered by lowpaymentfee.com, all gated behind the x402 payment protocol. Payment is settled in USDC on the Base network at $0.02 per request (20,000 base units of USDC with 6 decimals).\n\nThe endpoint accepts POST requests and returns JSON. No API keys or accounts are required — access is granted by attaching a valid X-PAYMENT header containing a signed USDC payment. The x402 challenge was confirmed live, returning a standard 402 Payment Required response with full payment parameters including the payTo address, asset contract (USDC on Base), and a 300-second timeout window.\n\nNote: This endpoint specifically serves sensitive personally identifiable information (SSN). Consumers should exercise extreme caution regarding legal and regulatory compliance (e.g., FCRA, state privacy laws, GDPR) before purchasing or using this data. The provider's landing page lists many other API categories (analytics, AI/ML, finance, infrastructure) all at the same $0.02 price point, but documentation beyond the landing page is essentially empty (all subpages just show 'Connect wallet').","tags":[],"capabilities":["x402-payment","usdc-base-network","employee-data","ssn-lookup","pay-per-request","no-api-key","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 data API","micropayment SSN","Base USDC API","employee records"],"warnings":["Endpoint serves Social Security Numbers — highly regulated PII. Ensure legal compliance (FCRA, state privacy laws, GDPR) before use.","No documentation available beyond the landing page; all doc/pricing/API pages return only 'Connect wallet'.","No request or response schema provided — input/output formats are unknown.","No information on data provenance, accuracy, or authorization controls for accessing SSN data.","The endpoint is hardcoded to employee ID 26; it is unclear if other employee IDs are supported or how they are discovered."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/26/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/26/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and well-formed, confirming the endpoint exists and accepts USDC on Base. However, there is no OpenAPI schema, no documentation of request/response formats, no example payloads, and all doc pages are empty. The endpoint serves highly sensitive PII (SSN) with no visible compliance or authorization framework, which is a significant red 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'000':85 '20':84 '26':47 '300':152 '402':133 '6':91 'Base USDC API' 'PII endpoint' 'accept':95 'access':108 'account':105 'address':144 'ai/ml':199 'analyt':198 'api':60,102,196 'asset':145 'attach':112 'base':9,23,78,86,149 'behind':66 'beyond':211 'broader':53 'categori':197 'caution':170 'challeng':126 'complianc':175 'confirm':128 'connect':222 'consum':166 'contain':119 'contract':146 'data':4,18,39,187 'decim':92 'document':210 'e.g':176 'employe':2,16,34,43,45 'employee SSN lookup' 'employee records' 'employee-data' 'empti':217 'endpoint':30,94,158 'essenti':216 'exercis':168 'extrem':169 'fcra':177 'financ':200 'full':138 'gate':65 'gdpr':181 'grant':110 'header':118 'id':46 'identifi':163 'includ':141 'inform':164 'infrastructur':201 'json':100 'json-response' 'key':103 'land':191,213 'law':180 'legal':172 'list':193 'live':129 'lowpaymentfee.com':32,63 'mani':194 'micropay':7,21 'micropayment SSN' 'network':10,24,79 'no-api-key' 'note':156 'number':37 'offer':61 'page':192,214 'paramet':140 'part':50 'pay':57 'pay-per-request':56 'payment':69,71,117,123,134,139 'payto':143 'per':13,27,58,82 'person':162 'point':208 'post':96 'price':207 'privaci':179 'protocol':70 'provid':189 'purchas':183 'record':44 'regard':171 'regulatori':174 'request':14,28,59,83,97 'requir':107,135 'respons':136 'retriev':1,15 'return':33,99,130 'second':153 'secur':36 'sensit':161 'serv':160 'settl':73 'show':221 'sign':121 'social':35 'social security number API' 'specif':42,159 'ssn':3,17,38,165 'ssn-lookup' 'standard':132 'state':178 'subpag':219 'suit':54 'timeout':154 'unit':87 'usdc':75,89,122,147 'usdc-base-network' 'use':185 'valid':114 'via':5,19 'wallet':223 'window':155 'x':116 'x-payment':115 'x402':6,20,68,125 'x402 data API' 'x402-payment'","prices":[{"id":"a7d7a9bb-46e0-4f7b-81a7-dc58a733f11a","listingId":"f388f999-78dc-4eb7-a5db-3ca9dc146de0","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/26/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":"2026-04-21T18:32:16.143Z"}],"sources":[{"listingId":"f388f999-78dc-4eb7-a5db-3ca9dc146de0","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/26/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:16.143Z","lastSeenAt":"2026-04-24T16:32:47.165Z"}],"details":{"listingId":"f388f999-78dc-4eb7-a5db-3ca9dc146de0","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/26/ssn \\\n  -H \"X-PAYMENT: <signed-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 endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/26/ssn"},{"claim":"All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/26/ssn"}],"useCases":["Retrieving SSN for a specific employee record via automated agent","Integrating employee identity verification into a workflow that supports x402 payments","Programmatic access to sensitive employee data without traditional API key provisioning"],"bestFor":["Agents or services that need on-demand SSN data and can settle USDC on Base","Developers prototyping x402 payment flows with real endpoints","Scenarios requiring keyless, pay-per-call access to structured employee data"],"notFor":["Use cases where handling SSNs would violate privacy regulations (FCRA, GDPR, state laws)","Bulk data retrieval — each request costs $0.02 and targets a single employee ID","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:15.617Z"},"updatedAt":"2026-04-24T16:32:47.165Z"}}