Check order status via x402 micropayment on Base network for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com returns the status of order #6 via a POST request, gated behind an x402 payment challenge. It is part of a broader platform (lowpaymentfee.com) that offers a variety of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/6/status` is labeled "Premium API Access" in the x402 challenge. The payment scheme is "exact" with a maxAmountRequired of 20,000 base units of USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base), which equals $0.02 given USDC's 6 decimals. No API keys or rate limits are advertised; access is granted per-call by attaching an X-PAYMENT header with a valid x402 payment proof. The endpoint responds with application/json.
Documentation on the site is extremely thin — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema beyond the x402 outputSchema stub, and no explanation of what data the order status response actually contains. The platform appears to be a demonstration or early-stage deployment of x402-gated APIs rather than a mature production service.
Capabilities
Use cases
- —Querying the status of a specific order via a single micropayment
- —Demonstrating x402 protocol integration for pay-per-call APIs
- —Testing agent-driven payment flows on Base network
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents that need to make one-off paid API calls without API keys
- —Testing micropayment-gated endpoint workflows on Base
Not for
- —Production order management systems (endpoint is hardcoded to order #6)
- —Users who need detailed API documentation or response schemas
- —High-volume batch order lookups
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/6/status \
-H "X-PAYMENT: <x402_payment_proof>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and the endpoint is hardcoded to a single order ID. The platform appears to be a demo or stub rather than a fully documented production service.
Warnings
- —No API documentation available — docs, pricing, and README pages all show only 'Connect wallet'
- —No OpenAPI or request/response schema provided
- —Endpoint is hardcoded to order #6; unclear if other order IDs are supported
- —Platform may be a demonstration deployment rather than a production service
Citations
- —The x402 challenge requires 20,000 base units of USDC on Base, equaling $0.02 per requesthttps://lowpaymentfee.com/api/v1/orders/6/status
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/orders/6/status
- —Docs, API, pricing, and README pages render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs