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 #179 via a POST request, gated by an x402 payment challenge. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request settled in USDC on the Base network.
The specific resource `/api/v1/orders/179/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; no API keys or accounts are required. The timeout for payment settlement is 300 seconds.
The platform advertises no rate limits, no API keys, no minimums, and instant access. Documentation pages (/docs, /pricing, /api, /README) all resolve but contain only a "Connect wallet" prompt with no further technical detail. There is no OpenAPI spec, no request/response schema beyond the x402 outputSchema stub, and no example payloads. The endpoint is live — it returned a proper 402 challenge on probe.
Capabilities
Use cases
- —Checking the status of a specific order (#179) programmatically
- —Demonstrating x402 payment-gated API access on Base
- —Integrating pay-per-call order tracking into an agent workflow
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents that need to pay per API call without API keys
- —Users wanting USDC-settled micropayment endpoints on Base
Not for
- —Bulk order management or querying arbitrary order IDs (endpoint is hardcoded to order 179)
- —Users who need detailed API documentation or OpenAPI specs
- —Anyone requiring free or subscription-based access
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/179/status
# Returns 402 with x402 challenge; include X-PAYMENT header with valid USDC payment to receive order status.Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but the resource is narrowly scoped to a single hardcoded order ID. Documentation pages are empty stubs ('Connect wallet' only), there is no OpenAPI spec, no request/response schema, and no example payloads. The purpose and utility of this specific endpoint are unclear.
Warnings
- —Endpoint is hardcoded to order 179 — unclear if other order IDs are queryable or if this is a demo/placeholder.
- —All documentation pages (/docs, /pricing, /api, /README) return only 'Connect wallet' with no technical content.
- —No OpenAPI spec or response schema available — response format is unknown.
- —No request body schema documented; unclear what (if any) POST body is expected.
Citations
- —The x402 challenge requires 20,000 base units of USDC on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02 per request.https://lowpaymentfee.com/api/v1/orders/179/status
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, no minimums, and instant access on Base network.https://lowpaymentfee.com
- —Documentation pages (/docs, /pricing, /api, /README) contain only a 'Connect wallet' prompt.https://lowpaymentfee.com/docs