Retrieve employee SSN data via x402 micropayment on Base network for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com returns employee Social Security Number (SSN) data for a specific employee (ID 143) 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 granted per-request via the x402 payment protocol.
The provider site (lowpaymentfee.com) hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services, all priced at $0.02 per request. Documentation pages exist but appear to be stubs (only showing a "Connect wallet" prompt), so there is no detailed schema or field-level documentation for the SSN endpoint's request body or response format.
This specific endpoint raises significant concerns. It purports to return a person's Social Security Number, which is highly sensitive personally identifiable information (PII). There is no indication of authorization controls, data provenance, or compliance with privacy regulations. Users should exercise extreme caution and verify the legitimacy and legality of consuming such data before making any requests.
Capabilities
Use cases
- —Retrieving employee SSN data for authorized payroll or HR integrations
- —Demonstrating x402 pay-per-call protocol with sensitive data endpoints
- —Testing x402 payment flows against a live endpoint
Fit
Best for
- —Developers testing x402 payment protocol integrations
- —Authorized systems needing on-demand employee PII retrieval
Not for
- —Unauthorized access to personal information — SSN data is regulated PII
- —Production use without verifying the provider's data legitimacy and legal compliance
- —Users who need detailed API documentation or response schemas
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/143/ssn \
-H "X-PAYMENT: <x402_payment_token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request/response schemas, no OpenAPI spec, and the docs pages are empty stubs. The endpoint claims to serve SSN data, which is highly sensitive PII with no visible compliance or authorization framework, warranting serious warnings.
Warnings
- —Endpoint purports to return Social Security Numbers — highly regulated PII. Verify legality and data provenance before use.
- —No documentation available: docs, API, pricing, and README pages all return only a 'Connect wallet' stub.
- —No request body schema or response schema documented anywhere.
- —No indication of data source legitimacy or compliance with privacy regulations (e.g., FCRA, GLBA, state privacy laws).
- —Single hardcoded employee ID (143) in the URL — unclear if other IDs are supported or if this is a demo.
Citations
- —Endpoint returns 402 with x402 challenge advertising USDC payment on Base networkhttps://lowpaymentfee.com/api/v1/employees/143/ssn
- —maxAmountRequired is 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) which equals $0.02https://lowpaymentfee.com/api/v1/employees/143/ssn
- —Provider site lists all APIs at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —Documentation pages (docs, api, pricing, README) show only a 'Connect wallet' prompt with no substantive contenthttps://lowpaymentfee.com/docs