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 156) behind an x402 paywall. It accepts POST requests and is settled 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 endpoints, all priced at $0.02 per call. The site advertises no API keys, no rate limits, and instant access. However, this specific endpoint — exposing what appears to be personally identifiable information (an employee's SSN) — raises significant concerns about data sensitivity, legality, and ethical use. No documentation, input schema, or response schema is provided beyond the x402 challenge metadata.
The endpoint is live and returns a valid x402 challenge (HTTP 402 with version 1 accepts block). The output MIME type is application/json. No OpenAPI spec, ai-plugin manifest, or detailed docs were found in the crawl. The docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content.
Capabilities
Use cases
- —Retrieving an employee's SSN for payroll or HR verification workflows
- —Programmatic access to sensitive employee records behind a micropayment wall
- —Agent-driven identity verification requiring SSN data
Fit
Best for
- —Developers needing pay-per-call access to employee PII without API key management
- —Automated HR or payroll systems that need SSN lookups
- —x402-compatible agents on the Base network
Not for
- —Anyone without a legitimate, lawful need for SSN data — exposing SSNs raises serious legal and ethical concerns
- —Use cases requiring bulk data export or batch processing (no documented batch endpoint)
- —Users who need detailed documentation or guaranteed SLAs
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/156/ssn \
-H "X-PAYMENT: <x402_payment_token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI spec, no input/output schema beyond MIME type, no documentation, and no example responses. The endpoint exposes what appears to be highly sensitive PII (SSN), which is a major red flag. The crawl yielded almost no useful documentation.
Warnings
- —This endpoint claims to return Social Security Numbers (SSNs), which are highly sensitive PII. Accessing, storing, or transmitting SSNs is subject to strict legal regulations (e.g., FCRA, state privacy laws). Use with extreme caution and only for lawful purposes.
- —No input schema or response schema is documented — the actual data returned is unknown.
- —No OpenAPI spec or detailed API documentation was found; docs pages returned only a wallet-connect prompt.
- —The endpoint is hardcoded to employee ID 156; it is unclear whether other employee IDs are supported or what the data source is.
- —Legitimacy of the underlying data is unverified — this could be synthetic/demo data or could pose real privacy risks.
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/156/ssn
- —The site advertises $0.02 per request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/156/ssn
- —Docs, API, pricing, and README pages returned only a Connect wallet prompthttps://lowpaymentfee.com/docs