Pay-per-call employee salary data endpoint on Base via x402, settled in USDC.
What it does
This x402-enabled endpoint at lowpaymentfee.com returns employee salary information for a specific employee (ID 169) via a POST request. Payment is settled on the Base network using USDC (USD Coin) at a cost of $0.02 per request. The endpoint requires no API keys, no rate limits, and provides instant access — callers simply attach an x402 payment header to authenticate.
The hosting provider, lowpaymentfee.com, offers a broad catalog of pay-per-call APIs spanning data & analytics, AI/ML inference, finance/Web3, and infrastructure utilities, all priced at $0.02 per request. However, this specific endpoint (`/api/v1/employees/169/salary`) is not listed on the provider's public landing page among the advertised API categories. Its purpose — returning salary data for a hardcoded employee ID — is unclear and may be a demo or test endpoint rather than a production data source.
No OpenAPI schema, request/response examples, or detailed documentation were found during the crawl. The docs, API, pricing, and README pages all returned only a "Connect wallet" prompt with no substantive content. Because of this, the exact request body format and response structure are unknown and must be discovered by the caller.
Capabilities
Use cases
- —Retrieving salary information for a specific employee record
- —Demonstrating x402 payment protocol integration
- —Testing pay-per-call API patterns on Base network
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing on-demand salary data lookups
- —Projects exploring USDC micropayment-gated APIs
Not for
- —Bulk payroll data retrieval across many employees
- —Production HR systems requiring documented, stable schemas
- —Users without a Base network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/169/salary \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation, no OpenAPI schema, no request/response examples, and the endpoint is not listed among the provider's advertised APIs. The docs pages are empty. The purpose of this specific employee salary endpoint is unclear.
Warnings
- —Endpoint /api/v1/employees/169/salary is not listed on the provider's public API catalog — may be a test or demo endpoint
- —No documentation, OpenAPI spec, or response schema available
- —All doc/pricing/README pages returned only a wallet-connect prompt with no content
- —Request body format and response structure are completely unknown
Citations
- —The endpoint returns a 402 challenge requesting USDC payment on Base network with maxAmountRequired of 20000 base units ($0.02)https://lowpaymentfee.com/api/v1/employees/169/salary
- —The provider advertises $0.02/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/169/salary