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 data for a specific employee (ID 152) 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 with each request.
The hosting site 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 and all using the x402 protocol on Base. This particular endpoint appears to serve structured JSON containing salary information for a given employee record. However, no OpenAPI schema, request/response examples, or detailed documentation were found during the crawl — the docs, pricing, and API pages all returned only a "Connect wallet" prompt with no further content.
Because the endpoint is live (returning a proper 402 challenge) but lacks any documentation about the request body format or response schema, callers will need to experiment or contact the provider to understand the expected input and output structure. The employee-salary domain suggests HR or payroll data, but whether this is sample/demo data or a real data source is unclear from available materials.
Capabilities
Use cases
- —Retrieving salary information for a specific employee record
- —Integrating pay-per-call salary data into HR or payroll workflows
- —Demonstrating x402 payment protocol integration on Base
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing on-demand employee salary data without API key management
- —Low-volume, pay-as-you-go data retrieval
Not for
- —Bulk payroll data exports requiring thousands of records at once
- —Users who need detailed API documentation or OpenAPI specs before integrating
- —Anyone without a Base-network USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/152/salary \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge, confirming it is operational. However, there is no OpenAPI schema, no request/response examples, and no meaningful documentation — the docs pages only show a 'Connect wallet' prompt. The endpoint's purpose (employee salary data) is only inferable from the URL path. This is effectively a stub listing.
Warnings
- —No OpenAPI schema or request/response documentation available
- —Docs, pricing, API, and README pages all returned only 'Connect wallet' with no content
- —It is unclear whether this serves real data or demo/sample data
- —The specific endpoint path (/employees/152/salary) suggests a single hardcoded resource — unclear if other employee IDs are supported
Citations
- —Endpoint returns a 402 x402 challenge with USDC on Base network, maxAmountRequired 20000 base units ($0.02)https://lowpaymentfee.com/api/v1/employees/152/salary
- —Site advertises $0.02 per request, no API keys, no rate limits, instant access, Base networkhttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Basehttps://lowpaymentfee.com/api/v1/employees/152/salary