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 3) 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 provider lowpaymentfee.com hosts a broad catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. This particular endpoint is part of what appears to be an employee data API. The response MIME type is application/json.
Documentation is extremely sparse. The crawled /docs, /api, /pricing, and /README pages all returned only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no request/response schema beyond the x402 outputSchema stub, and no description of what fields the response contains or what input the POST body expects. The endpoint is live (402 challenge confirmed), but the nature of the data — SSNs — raises significant regulatory and ethical concerns.
Capabilities
Use cases
- —Retrieving employee SSN for payroll or HR integrations
- —Verifying employee identity data programmatically
- —Accessing sensitive PII behind a micropayment wall
Fit
Best for
- —Developers needing on-demand employee SSN data without API key management
- —Agents that can settle x402 payments in USDC on Base
- —Low-volume, pay-per-use access to employee records
Not for
- —Bulk PII data retrieval (no documented batch endpoint)
- —Users who cannot settle USDC payments on Base network
- —Use cases requiring regulatory compliance documentation (none provided)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/3/ssn \
-H "X-PAYMENT: <x402-payment-header>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live with a valid x402 402 challenge, but documentation is essentially nonexistent — no OpenAPI spec, no request/response schema, no examples. The data category (SSNs) raises serious regulatory red flags with zero compliance documentation provided.
Warnings
- —Endpoint serves Social Security Numbers — highly regulated PII under US law (e.g., FCRA, state privacy laws). No compliance or authorization documentation is provided.
- —No OpenAPI spec, no request body schema, and no response schema available. Impossible to verify what data is actually returned.
- —All documentation pages (/docs, /api, /pricing, /README) returned only 'Connect wallet' with no content.
- —The legitimacy and legality of this data source cannot be verified from available materials.
- —This may be a demo or test endpoint rather than a production data source — employee ID is hardcoded to 3 in the URL path.
Citations
- —x402 challenge returns 402 with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/3/ssn
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/3/ssn
- —All APIs priced at $0.02 per request with no API keys, no rate limits, instant accesshttps://lowpaymentfee.com
- —Payment recipient address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3https://lowpaymentfee.com/api/v1/employees/3/ssn