{"id":"72c641de-2bbb-47cd-9aa4-162e9339cdb6","shortId":"wWnGTD","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 Social Security Number (SSN) data for a specific employee (ID 177) 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, with a maximum cost of $0.02 per request (20,000 base units of USDC with 6 decimals). No API keys or rate limits are required — access is gated purely by per-call micropayment.\n\nThe provider site (lowpaymentfee.com) hosts a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, and utility services, all priced at $0.02 per request. However, the specific endpoint in this listing is narrowly scoped: it serves SSN data for employee record 177. There is no OpenAPI schema, no documentation beyond the landing page, and the crawled docs/pricing/API pages returned only a wallet-connect prompt with no additional detail.\n\nBecause this endpoint exposes personally identifiable information (SSN), consumers should exercise extreme caution regarding legal compliance (e.g., FCRA, state privacy laws, GDPR if applicable). The legitimacy and provenance of the underlying data is unknown from the available materials.","tags":[],"capabilities":["x402-payment","usdc-base","employee-data","ssn-lookup","per-call-micropayment","json-response"],"categories":["data","pii"],"synonyms":["social security number API","employee SSN lookup","PII endpoint","x402 data API","Base USDC micropayment API","employee record lookup"],"warnings":["This endpoint exposes Social Security Numbers (PII). Legal compliance (FCRA, state privacy laws, GDPR) is the caller's responsibility and cannot be verified from available materials.","No documentation, OpenAPI schema, or example responses are available — the endpoint's actual behavior is unverified beyond the 402 challenge.","Data provenance and legitimacy are unknown. The SSN data may be synthetic/demo data or may raise serious legal and ethical concerns if real.","The crawled docs, pricing, API, and README pages all returned only a wallet-connect prompt with no substantive content."],"endpointUrl":"https://lowpaymentfee.com/api/v1/employees/177/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/177/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 (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no response examples, no documentation beyond a landing page, and the endpoint exposes highly sensitive PII (SSN) with no information about data provenance or legal 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'000':80 '177':44,150 '20':79 '6':86 'Base USDC micropayment API' 'PII endpoint' 'accept':51 'access':96 'addit':176 'ai/ml':121 'analyt':120 'api':89,117 'applic':201 'avail':214 'base':9,23,64,81 'behind':45 'beyond':158 'broad':111 'call':103 'catalog':112 'caution':190 'complianc':193 'connect':172 'consum':186 'cost':74 'crawl':164 'data':4,18,38,119,146,209 'decim':87 'detail':177 'docs/pricing/api':165 'document':157 'e.g':194 'employe':2,16,42,148 'employee SSN lookup' 'employee record lookup' 'employee-data' 'endpoint':30,50,136,180 'exact':69 'exercis':188 'expos':181 'extrem':189 'fcra':195 'financ':123 'gate':98,116 'gdpr':199 'host':109 'howev':133 'id':43 'identifi':183 'infer':122 'inform':184 'json':56 'json-response' 'key':90 'land':160 'law':198 'legal':192 'legitimaci':203 'limit':93 'list':139 'lowpaymentfee.com':32,108 'materi':215 'maximum':73 'micropay':7,21,104 'narrowli':141 'network':10,24,65 'number':36 'openapi':154 'page':161,166 'payment':57 'paywal':48 'per':13,27,77,102,131 'per-cal':101 'per-call-micropayment' 'person':182 'post':52 'price':128 'privaci':197 'prompt':173 'proven':205 'provid':106 'pure':99 'rate':92 'record':149 'regard':191 'request':14,28,53,78,132 'requir':95 'retriev':1,15 'return':33,55,167 'schema':155 'scheme':70 'scope':142 'secur':35 'serv':144 'servic':126 'settl':59 'site':107 'social':34 'social security number API' 'span':118 'specif':41,135 'ssn':3,17,37,145,185 'ssn-lookup' 'state':196 'under':208 'unit':82 'unknown':211 'usdc':61,84 'usdc-base' 'use':66 'util':125 'via':5,19 'wallet':171 'wallet-connect':170 'x402':6,20,47,68,115 'x402 data API' 'x402-gated':114 'x402-payment'","prices":[{"id":"4e4a20b1-19f9-4784-b541-052356a391a2","listingId":"72c641de-2bbb-47cd-9aa4-162e9339cdb6","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/177/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":"2026-04-21T18:32:15.110Z"}],"sources":[{"listingId":"72c641de-2bbb-47cd-9aa4-162e9339cdb6","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/employees/177/ssn","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:15.110Z","lastSeenAt":"2026-04-24T23:03:58.652Z"}],"details":{"listingId":"72c641de-2bbb-47cd-9aa4-162e9339cdb6","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/employees/177/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":"Endpoint returns 402 with x402 challenge advertising USDC payment on Base network, maxAmountRequired 20000 base units","source_url":"https://lowpaymentfee.com/api/v1/employees/177/ssn"},{"claim":"All APIs on the site 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 address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/employees/177/ssn"}],"useCases":["Retrieving SSN for a specific employee record via automated micropayment","Integrating PII lookups into agent workflows that settle payments on Base","Demonstrating x402 protocol payment flows with a live endpoint"],"bestFor":["Developers experimenting with x402 micropayment protocol","Agents needing per-call paid data access without API key management","Low-volume, on-demand PII retrieval (where legally permitted)"],"notFor":["Bulk employee data exports or batch SSN lookups","Use cases where PII handling compliance cannot be verified","Users who need detailed documentation or OpenAPI schemas before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:17.055Z"},"updatedAt":"2026-04-24T23:03:58.652Z"}}