x402-gated employee data endpoint on Base, pay $0.02 per request in USDC.
What it does
This endpoint at lowpaymentfee.com provides access to an employee record (ID 174) via the x402 payment protocol. It is part of a broader platform offering various pay-per-request APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services — all gated behind x402 micropayments on the Base network using USDC.
The specific endpoint `/api/v1/employees/174` returns JSON data when a valid x402 payment header is supplied. The x402 challenge confirms the endpoint is live, accepting POST requests, and requires a maximum of 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) per call. Payment is settled on-chain to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using the USDC contract on Base (`0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`). The timeout for payment is 300 seconds.
The platform advertises no API keys, no rate limits, and instant access. However, documentation is extremely sparse — the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no example request/response documentation, and no description of what fields the employee record contains. The endpoint's actual data payload and schema are unknown.
Capabilities
Use cases
- —Retrieving employee record data on-demand with per-request USDC micropayments
- —Integrating employee information into agent workflows without API key management
- —Demonstrating x402 payment protocol integration on Base network
Fit
Best for
- —Developers experimenting with x402 micropayment protocol
- —Agents needing keyless, pay-per-call access to data endpoints
- —Projects already operating on the Base L2 with USDC
Not for
- —Production HR systems requiring well-documented schemas and SLAs
- —Bulk employee data retrieval (pay-per-request model adds up)
- —Users without Base network USDC wallets
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/174 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The x402 challenge is live and confirms pricing and payment details, but there is zero documentation on what the endpoint actually returns. No OpenAPI schema, no example responses, no field descriptions. The docs/pricing/README pages are all empty wallet-connect stubs. The endpoint path suggests employee data but the actual schema is completely unknown.
Warnings
- —No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet' with no content
- —No OpenAPI or output schema describing the employee record fields
- —The endpoint path '/api/v1/employees/174' is hardcoded to a single employee ID; unclear how to discover or query other records
- —Unknown data provenance — no information about where employee data comes from or its accuracy
Citations
- —The endpoint returns HTTP 402 with an x402 challenge requiring 20,000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/employees/174
- —Platform advertises $0.02 per request, no API keys, no rate limits, instant access, Base networkhttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/employees/174