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 SSN (Social Security Number) data behind an x402 paywall. The specific resource `/api/v1/employees/2/ssn` is a POST endpoint that accepts payment in USDC on the Base network. The x402 challenge confirms the endpoint is live and requires a maximum payment of 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals).
The provider 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. The platform advertises no API keys, no rate limits, and instant access — payment is handled entirely via the x402 protocol using USDC on Base. However, the specific employee SSN endpoint is not listed on the provider's public landing page among the advertised API categories, and no documentation, request schema, or response schema is available for it.
Because this endpoint purports to return personally identifiable information (a Social Security Number), it raises significant regulatory and ethical concerns. There is no documentation explaining whether this is synthetic/demo data or real PII. Users should exercise extreme caution and ensure compliance with all applicable privacy laws (e.g., FCRA, state privacy statutes) before calling this endpoint.
Capabilities
Use cases
- —Retrieving employee SSN data for authorized HR or payroll integrations
- —Testing x402 micropayment flows with a low-cost endpoint
- —Demonstrating pay-per-call API access on Base network
Fit
Best for
- —Developers experimenting with x402 protocol payments
- —Authorized systems needing on-demand employee PII retrieval
- —Low-cost per-request data access without API key management
Not for
- —Unauthorized access to real Social Security Numbers — may violate federal and state privacy laws
- —Production PII workflows without verifying data provenance and legal compliance
- —High-volume bulk data retrieval (no documented batch support)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/2/ssn \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base). However, there is no documentation, no request/response schema, no examples, and the endpoint is not listed on the provider's public catalog. The nature of the data (SSN) raises serious regulatory red flags with no explanation of data provenance.
Warnings
- —Endpoint claims to return Social Security Number data — this is highly sensitive PII subject to strict legal regulation (FCRA, state privacy laws, etc.)
- —No documentation or schema available for this specific endpoint
- —Endpoint is not listed among the provider's publicly advertised APIs on the landing page
- —Unknown whether data is synthetic/demo or real PII — exercise extreme caution
- —Docs, pricing, API, and README pages all returned only 'Connect wallet' with no useful content
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/2/ssn
- —The provider advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/2/ssn