Pay-per-call employee data API on Base via x402, settled in USDC at $0.02/request.
What it does
This endpoint at lowpaymentfee.com provides access to employee data records via the x402 payment protocol. The specific resource `/api/v1/employees/99` returns JSON data for employee ID 99 when called with a POST request and a valid X-PAYMENT header containing a USDC payment on the Base network.
The endpoint is part of a broader platform (lowpaymentfee.com) that offers dozens of pay-per-call APIs spanning data & analytics, AI & machine learning (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints on the platform are priced at $0.02 per request, paid in USDC on the Base L2 network with no API keys, no rate limits, and no minimum commitments.
The x402 challenge confirms the endpoint is live and accepts payments to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) on Base. The max amount required is 20,000 base units, which equals $0.02 (USDC uses 6 decimals). The response MIME type is `application/json`. Documentation beyond the landing page is essentially empty — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional technical detail.
Capabilities
Use cases
- —Retrieving employee records on demand without managing API keys or subscriptions
- —Integrating employee data lookups into agent workflows that support x402 micropayments
- —Demonstrating x402 payment protocol integration with a simple data endpoint
Fit
Best for
- —Developers experimenting with x402 payment protocol on Base
- —Agents that need on-demand employee data with per-call billing
- —Projects requiring keyless, pay-as-you-go API access
Not for
- —Bulk employee data exports requiring thousands of records at once
- —Use cases needing detailed API documentation or OpenAPI schemas
- —Applications that cannot settle payments in USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/employees/99 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no documentation, no example request/response payloads, and the docs/pricing/README pages are all blank beyond a wallet connect prompt. The specific data returned by the employees endpoint is entirely unknown.
Warnings
- —No API documentation available — docs, pricing, and README pages all show only 'Connect wallet' with no content
- —No OpenAPI or JSON schema describing request parameters or response structure for the employees endpoint
- —The nature and source of 'employee' data is unspecified — unclear whether this is sample/demo data or a real dataset
- —Response format and fields are unknown; example_request_json and example_response_json cannot be provided
Citations
- —All endpoints priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —x402 challenge returns maxAmountRequired of 20000 base units in USDC on Base networkhttps://lowpaymentfee.com/api/v1/employees/99
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/employees/99
- —Platform offers APIs across data & analytics, AI & ML, finance & Web3, and infrastructure categorieshttps://lowpaymentfee.com