{"id":"634d2236-86c1-4871-99b8-9242ec4cb25c","shortId":"UTZN5B","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 174) 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 hosts a broad catalog of endpoints spanning data analytics, AI/ML inference, finance, and utility services — this particular endpoint falls under what appears to be an employee data or HR category.\n\nDocumentation is extremely sparse. The /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI spec, no request/response schema, and no description of what fields are returned beyond the URL path implying SSN retrieval for employee 174. The endpoint is live (402 challenge captured successfully).","tags":[],"capabilities":["x402-payment","usdc-base-network","employee-data","ssn-lookup","per-request-micropayment","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","employee data API","x402 data access","micropayment SSN"],"warnings":["Endpoint serves highly sensitive PII (Social Security Numbers) — verify legal and compliance requirements before use.","No documentation, OpenAPI spec, or response schema available; actual response format is unknown.","Endpoint URL is hardcoded to employee ID 174; unclear if other employee IDs are supported.","All documentation pages (/docs, /pricing, /api, /README) returned only 'Connect wallet' with no content.","Provider legitimacy and data source are unverified — exercise extreme caution with PII endpoints."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/174/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/174/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 challenge, but documentation is essentially nonexistent — no OpenAPI spec, no request/response schema, no examples. The endpoint serves highly sensitive PII (SSN) with no visible compliance, access control, or audit documentation. The specific employee ID (174) hardcoded in the URL suggests this may be a demo or test endpoint rather than a production 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'/docs':161 '/pricing':162 '/readme':165 '/request':106 '0.02':12,26,94,105 '000':81 '0x8335':86 '174':46,203 '20':80 '2913':87 '402':208 '6':90 'PII endpoint' 'accept':53 'access':123 'across':109 'advertis':76 'ai/ml':135 'analyt':134 'api':112,116 'appear':147 'base':9,23,66,82,89 'behind':47 'beyond':194 'broad':128 'captur':210 'catalog':129 'categori':155 'challeng':75,209 'confirm':102 'connect':171 'content':177 'data':4,18,39,133,152 'decim':91 'descript':188 'document':156 'employe':2,16,34,43,151,202 'employee SSN lookup' 'employee data API' 'employee-data' 'endpoint':30,52,113,131,143,205 'equal':93 'exact':71 'extrem':158 'fall':144 'field':191 'financ':137 'flat':104 'host':126 'hr':154 'id':45 'impli':198 'infer':136 'instant':122 'json':58 'json-response' 'key':117 'land':100 'limit':120 'live':207 'lowpaymentfee.com':32 'maxamountrequir':78 'micropay':7,21 'micropayment SSN' 'model':108 'network':10,24,67 'number':37 'openapi':181 'page':101,166 'particular':142 'path':197 'payment':59 'paywal':50 'per':13,27,95 'per-request-micropayment' 'post':54 'price':107 'prompt':173 'provid':98 'rate':119 'record':44 'request':14,28,55,96 'request/response':184 'retriev':1,15,200 'return':33,57,168,193 'schema':185 'scheme':72 'secur':36 'servic':140 'settl':61 'site':125 'social':35 'social security number API' 'span':132 'spars':159 'spec':182 'specif':42 'ssn':3,17,38,199 'ssn-lookup' 'substant':176 'success':211 'unit':83 'url':196 'usdc':63,85 'usdc-base-network' 'use':68 'util':139 'via':5,19 'wallet':172 'x402':6,20,49,70,74 'x402 data access' 'x402-payment'","prices":[{"id":"aaa02b49-569e-4d89-912b-00184557ea05","listingId":"634d2236-86c1-4871-99b8-9242ec4cb25c","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/174/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":"2026-04-21T18:32:15.138Z"}],"sources":[{"listingId":"634d2236-86c1-4871-99b8-9242ec4cb25c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/174/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.138Z","lastSeenAt":"2026-04-24T23:03:58.683Z"}],"details":{"listingId":"634d2236-86c1-4871-99b8-9242ec4cb25c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/174/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":"x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/employees/174/ssn"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/174/ssn"},{"claim":"Provider advertises $0.02/request flat pricing with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages return only 'Connect wallet' with no substantive content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving SSN for employee record 174 via automated agent workflow","Integrating employee PII retrieval into payroll or HR verification pipelines","Demonstrating x402 micropayment-gated access to sensitive data"],"bestFor":["Agents needing on-demand access to employee SSN data without API key provisioning","Developers exploring x402 protocol for pay-per-call data access","Automated identity verification workflows"],"notFor":["Bulk employee data retrieval (endpoint is scoped to a single employee ID)","Use cases requiring compliance documentation or audit trails for PII access","Users who need detailed API documentation or response schema guarantees"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.051Z"},"updatedAt":"2026-04-24T23:03:58.683Z"}}