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 given employee ID, gated behind an x402 payment challenge. The specific resource probed is `/api/v1/employees/20/ssn`, which 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).
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 with no API keys, no rate limits, and no minimum commitments. However, the employee SSN endpoint is not listed on the provider's public landing page among the advertised API categories. Documentation pages (/docs, /pricing, /README) returned only a wallet-connect prompt with no substantive content.
Because this endpoint purports to return personally identifiable information (SSN), users should exercise extreme caution regarding legal compliance (e.g., FCRA, state privacy laws) and data authenticity. There is no documentation explaining the data source, accuracy, or authorization model for this sensitive information.
Capabilities
Use cases
- —Retrieving employee SSN data programmatically with per-call payment
- —Integrating sensitive employee data into payroll or HR workflows
- —Agent-driven lookup of employee identifiers behind a paywall
Fit
Best for
- —Developers needing on-demand employee SSN retrieval without API key management
- —Automated agents that can settle x402 USDC payments on Base
- —Low-volume, pay-per-use access to employee records
Not for
- —Bulk data exports or high-volume PII retrieval (no documented batch support)
- —Use cases requiring verified, authoritative SSN data with compliance guarantees
- —Users without a Base-network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/20/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 schema, no OpenAPI spec, no examples, and the endpoint is not listed on the provider's own landing page. The sensitive PII nature (SSN) with no compliance or data-source documentation is a significant concern.
Warnings
- —This endpoint returns personally identifiable information (SSN). Legal compliance with FCRA, HIPAA, state privacy laws, and other regulations is the caller's responsibility.
- —The /api/v1/employees/{id}/ssn endpoint is NOT listed among the provider's publicly advertised APIs, raising questions about its intended availability and data authenticity.
- —No documentation, request schema, or response schema is available — all behavior must be inferred from the 402 challenge alone.
- —Documentation pages (/docs, /pricing, /README) returned no useful content beyond a wallet-connect prompt.
- —Data source and accuracy of SSN information are completely unknown.
Citations
- —The endpoint returns a 402 challenge with x402Version 1, accepting USDC on Base network with maxAmountRequired of 20000 base units.https://lowpaymentfee.com/api/v1/employees/20/ssn
- —The provider advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —The employee SSN endpoint is not listed among the provider's publicly advertised API categories (Data & Analytics, AI & ML, Finance & Web3, Infrastructure).https://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network uses 6 decimals, so 20000 base units = $0.02.https://lowpaymentfee.com/api/v1/employees/20/ssn