{"id":"cb7a5454-5d56-4494-bc7b-d15c0f212fb5","shortId":"Z2yxvT","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 79) 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 hosts a broad catalog of other endpoints spanning data analytics, AI/ML inference, finance, and utility services, all at the same price point.\n\nDocumentation is extremely sparse — the /docs, /pricing, /api, and /README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no example payloads available. The actual data returned by this endpoint (whether it is real PII, synthetic/demo data, or something else) cannot be determined from the available material. Given that the endpoint purports to serve SSN data, consumers should exercise extreme caution regarding legal and regulatory compliance (e.g., FCRA, state privacy laws, GDPR).","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","per-request-micropayment","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","employee record API","x402 data access","Base USDC micropayment API"],"warnings":["Endpoint purports to serve Social Security Numbers — highly regulated PII. No compliance, licensing, or data-source documentation is provided.","No OpenAPI spec, no request body schema, and no response schema available.","All documentation pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' prompt with no usable content.","Cannot determine whether data is real, synthetic, or demo. Use with extreme caution.","This endpoint is hardcoded to employee ID 79; it is unclear if other employee IDs are supported or how the broader API works."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/79/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/79/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 captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation, no examples, and the nature of the data (real vs. synthetic) is completely unknown. The endpoint deals with highly sensitive PII (SSN) with zero compliance or provenance 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'/docs':154 '/pricing':155 '/readme':158 '/request':106 '0.02':12,26,94,105 '000':81 '0x8335':86 '20':80 '2913':87 '6':90 '79':46 'Base USDC micropayment API' 'PII endpoint' 'accept':53 'access':123 'across':109 'actual':185 'advertis':76 'ai/ml':137 'also':126 'analyt':136 'api':112,116 'avail':183,206 'base':9,23,66,82,89 'behind':47 'broad':129 'cannot':201 'catalog':130 'caution':221 'challeng':75 'complianc':226 'confirm':102 'connect':164 'consum':217 'content':170 'data':4,18,39,135,186,197,216 'decim':91 'determin':203 'document':149 'e.g':227 'els':200 'employe':2,16,34,43 'employee SSN lookup' 'employee record API' 'employee-data' 'endpoint':30,52,113,133,190,211 'equal':93 'exact':71 'exampl':181 'exercis':219 'extrem':151,220 'fcra':228 'financ':139 'flat':104 'gdpr':232 'given':208 'host':127 'id':45 'infer':138 'instant':122 'json':58 'json-response' 'key':117 'land':100 'law':231 'legal':223 'limit':120 'lowpaymentfee.com':32 'materi':207 'maxamountrequir':78 'micropay':7,21 'model':108 'network':10,24,67 'number':37 'openapi':174 'page':101,159 'payload':182 'payment':59 'paywal':50 'per':13,27,95 'per-request-micropayment' 'pii':195 'point':148 'post':54 'price':107,147 'privaci':230 'prompt':166 'provid':98 'purport':212 'rate':119 'real':194 'record':44 'regard':222 'regulatori':225 'render':161 'request':14,28,55,96 'request/response':177 'retriev':1,15 'return':33,57,187 'schema':178 'scheme':72 'secur':36 'serv':214 'servic':142 'settl':61 'site':125 'social':35 'social security number API' 'someth':199 'span':134 'spars':152 'spec':175 'specif':42 'ssn':3,17,38,215 'ssn-lookup' 'state':229 'synthetic/demo':196 'unit':83 'usdc':63,85 'usdc-base' 'use':68 'util':141 'via':5,19 'wallet':165 'whether':191 'x402':6,20,49,70,74 'x402 data access' 'x402-payment'","prices":[{"id":"653ee36d-b9fc-4157-a433-b971600fdabc","listingId":"cb7a5454-5d56-4494-bc7b-d15c0f212fb5","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/79/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":"2026-04-21T18:32:17.810Z"}],"sources":[{"listingId":"cb7a5454-5d56-4494-bc7b-d15c0f212fb5","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/79/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:17.810Z","lastSeenAt":"2026-04-24T05:33:06.104Z"}],"details":{"listingId":"cb7a5454-5d56-4494-bc7b-d15c0f212fb5","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/79/ssn \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","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/79/ssn"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/79/ssn"},{"claim":"Flat $0.02/request pricing, no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages render only 'Connect wallet' with no further content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Retrieving employee SSN data for payroll or HR verification workflows","Programmatic access to sensitive employee identifiers behind a micropayment wall","Agent-driven identity verification pipelines requiring SSN data"],"bestFor":["Developers needing pay-per-call access to employee PII without API key management","Automated agents that can settle x402 USDC payments on Base","Low-volume, on-demand SSN lookups"],"notFor":["Bulk PII data exports or high-volume scraping (no documented batch endpoint)","Use cases requiring regulatory-compliant PII handling with audit trails (no compliance documentation provided)","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:13.166Z"},"updatedAt":"2026-04-24T05:33:06.104Z"}}