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 record (ID 146) behind an x402 paywall. It accepts POST requests and settles payments in USDC on the Base network. The x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (6 decimals), which equals $0.02 per request.
The broader lowpaymentfee.com platform offers a variety of x402-gated API endpoints across categories including data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per call. The platform advertises no API keys, no rate limits, and instant access. However, this specific endpoint exposes personally identifiable information (an employee's SSN), which raises significant regulatory and ethical concerns.
Documentation is extremely sparse. The docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI schema, no request/response examples, and no description of what input the POST body expects or what the response payload looks like beyond a stated mimeType of application/json.
Capabilities
Use cases
- —Retrieving employee SSN data for authorized payroll or HR integrations
- —Demonstrating x402 micropayment protocol flows on Base network
- —Testing pay-per-call API patterns with USDC settlement
Fit
Best for
- —Developers exploring x402 protocol mechanics
- —Authorized internal HR/payroll systems needing SSN retrieval
Not for
- —Any use case where accessing SSNs without proper authorization would violate privacy laws (FCRA, GLBA, state data breach statutes)
- —Production PII handling without verifying the provider's compliance and data provenance
- —Users who need documented request/response schemas before integration
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/146/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 no documentation, no OpenAPI schema, no request/response examples, and the endpoint exposes highly sensitive PII (SSN) with no visible compliance or authorization framework. The docs pages are empty stubs.
Warnings
- —CRITICAL: This endpoint exposes Social Security Numbers (PII). Accessing, storing, or transmitting SSNs is heavily regulated under US federal and state law (e.g., FCRA, GLBA, state breach notification laws). Verify legal authorization before use.
- —No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no technical content.
- —No OpenAPI schema or request/response examples provided; request body format is unknown.
- —Data provenance is unclear — it is unknown whether this is synthetic/demo data or real employee records.
- —Single hardcoded employee ID (146) in the URL; unclear if other employee IDs are supported.
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/146/ssn
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/146/ssn
- —Platform advertises $0.02 per request, no API keys, no rate limits, instant accesshttps://lowpaymentfee.com
- —Docs, API, pricing, and README pages render only 'Connect wallet' with no further contenthttps://lowpaymentfee.com/docs