Check order status via x402 micropayment on Base (USDC, $0.02/request).
What it does
This endpoint at lowpaymentfee.com returns the status of order #176 via a POST request, gated by an x402 payment challenge. It is part of a broader platform offering dozens of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request, settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/176/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 (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made by including an X-PAYMENT header conforming to the x402 protocol. No API keys or rate limits are advertised; access is purely pay-per-request.
The platform's landing page lists additional endpoints across categories like sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, and more — all at the same $0.02 price point. However, documentation pages (docs, pricing, README) returned only a "Connect wallet" prompt with no substantive content, so details about request/response schemas, supported parameters, or the actual data returned by this order-status endpoint are unknown.
Capabilities
Use cases
- —Checking the status of a specific order (#176) programmatically
- —Demonstrating x402 protocol micropayment integration on Base
- —Agent-driven order tracking with per-call USDC payment
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing pay-per-call order status lookups without API keys
- —Low-friction, no-subscription API access on Base
Not for
- —Bulk order management or querying arbitrary order IDs (endpoint is hardcoded to order 176)
- —Users who need detailed API documentation or response schema guarantees
- —Production systems requiring SLA or uptime guarantees
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/176/status \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, the endpoint is scoped to a single hardcoded order ID, documentation pages are empty (only 'Connect wallet'), and there is no OpenAPI schema, no example responses, and no description of what the response payload contains. This is effectively a stub listing.
Warnings
- —Documentation pages (/docs, /pricing, /README) return no useful content — only a 'Connect wallet' prompt.
- —Endpoint is hardcoded to order #176; unclear if other order IDs are queryable or if this is a demo.
- —No response schema or example response available; actual data returned is unknown.
- —No OpenAPI spec or AI plugin manifest found.
- —The platform lists many endpoints on its landing page but none have documented schemas.
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base networkhttps://lowpaymentfee.com/api/v1/orders/176/status
- —All APIs are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The platform offers endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com