{"id":"603a5e8d-c109-46b9-a788-c838eab1d5d3","shortId":"hrg7TM","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 (ID 140) behind an x402 paywall. The endpoint accepts POST requests and returns JSON. Payment is settled in USDC on the Base network at $0.02 per call (maxAmountRequired of 20,000 base units with 6 decimals = $0.02). No API keys or rate limits are required — access is gated entirely by the x402 payment protocol.\n\nThe provider (lowpaymentfee.com) hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, and utility services, all priced at $0.02 per request. This particular endpoint is narrowly scoped: it serves SSN data for employee ID 140. No documentation beyond the landing page was available (docs, pricing, and API pages all returned only a \"Connect wallet\" prompt with no further content).\n\nBecause this endpoint deals with Social Security Numbers — highly sensitive personally identifiable information (PII) — users should exercise extreme caution. The legitimacy, legality, and data provenance of this endpoint are unclear from the available materials. There is no privacy policy, terms of service, or compliance documentation visible on the site.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","pay-per-call","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 employee data","micropayment SSN","Base USDC API"],"warnings":["SENSITIVE PII: This endpoint claims to return Social Security Numbers. Legal compliance (FCRA, state privacy laws, GDPR if applicable) is entirely the caller's responsibility.","No privacy policy, terms of service, or data provenance documentation found on the provider's site.","No response schema or example response available — actual output format is unknown.","Documentation pages (/docs, /pricing, /api, /README) returned no useful content beyond a wallet connect prompt.","Data legitimacy is unverified — it is unclear whether this endpoint returns real, synthetic, or fabricated SSN data."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/140/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/140/ssn","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI schema, no response examples, no documentation beyond a landing page, and the endpoint deals with highly sensitive PII (SSN) with zero compliance or provenance information. The docs/pricing/API pages are effectively 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'000':74 '140':45,139 '20':73 '6':78 'Base USDC API' 'PII endpoint' 'accept':52 'access':89 'ai/ml':114 'analyt':113 'api':82,110,151 'avail':147,196 'base':9,23,65,75 'behind':46 'beyond':142 'broad':103 'call':70,109 'catalog':104 'caution':182 'complianc':207 'connect':157 'content':163 'data':4,18,39,112,135,187 'deal':167 'decim':79 'doc':148 'document':141,208 'employe':2,16,34,43,137 'employee SSN lookup' 'employee-data' 'endpoint':30,51,128,166,191 'entir':92 'exercis':180 'extrem':181 'financ':116 'gate':91 'high':172 'host':101 'id':44,138 'identifi':175 'infer':115 'inform':176 'json':57 'json-response' 'key':83 'land':144 'legal':185 'legitimaci':184 'limit':86 'lowpaymentfee.com':32,100 'materi':197 'maxamountrequir':71 'micropay':7,21 'micropayment SSN' 'narrowli':130 'network':10,24,66 'number':37,171 'page':145,152 'particular':127 'pay':107 'pay-per-cal':106 'pay-per-call' 'payment':58,96 'paywal':49 'per':13,27,69,108,124 'person':174 'pii':177 'polici':202 'post':53 'price':121,149 'privaci':201 'prompt':159 'protocol':97 'proven':188 'provid':99 'rate':85 'request':14,28,54,125 'requir':88 'retriev':1,15 'return':33,56,154 'scope':131 'secur':36,170 'sensit':173 'serv':133 'servic':119,205 'settl':60 'site':212 'social':35,169 'social security number API' 'span':111 'specif':42 'ssn':3,17,38,134 'ssn-lookup' 'term':203 'unclear':193 'unit':76 'usdc':62 'usdc-base' 'user':178 'util':118 'via':5,19 'visibl':209 'wallet':158 'x402':6,20,48,95 'x402 employee data' 'x402-payment'","prices":[{"id":"a5152016-713b-4f74-b1db-854e5e21c177","listingId":"603a5e8d-c109-46b9-a788-c838eab1d5d3","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/140/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":"2026-04-21T18:32:14.430Z"}],"sources":[{"listingId":"603a5e8d-c109-46b9-a788-c838eab1d5d3","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/140/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:14.430Z","lastSeenAt":"2026-04-25T03:03:58.838Z"}],"details":{"listingId":"603a5e8d-c109-46b9-a788-c838eab1d5d3","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/140/ssn \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":{"url":"https://lowpaymentfee.com/api/v1/employees/140/ssn","method":"POST","headers":{"X-PAYMENT":"<x402_payment_token>","Content-Type":"application/json"}},"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge advertising USDC on Base, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/employees/140/ssn"},{"claim":"Provider advertises $0.02 per request across all APIs with no API keys, no rate limits","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/employees/140/ssn"}],"useCases":["Retrieving SSN for employee verification workflows (if legally authorized)","Automated payroll or HR integrations requiring SSN data","Agent-driven identity verification pipelines"],"bestFor":["Developers needing programmatic SSN access with no API key management","x402-compatible agents that can settle USDC on Base","Pay-per-call access without subscription commitments"],"notFor":["Unauthorized access to PII — legal compliance is the caller's responsibility","Bulk data export or batch SSN lookups (endpoint is scoped to a single employee ID)","Users who cannot settle USDC payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:18.023Z"},"updatedAt":"2026-04-25T03:03:58.838Z"}}