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 #171 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 and settled in USDC on the Base network.
The specific resource `/api/v1/orders/171/status` is labeled "Premium API Access" in the x402 challenge. The challenge advertises a maxAmountRequired of 20,000 base units of USDC (contract 0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is made via the x402 "exact" scheme with a 300-second timeout. No API keys or rate limits are required; callers simply attach the X-PAYMENT header with a valid payment proof.
The platform's landing page lists additional endpoints across four categories (Data & Analytics, AI & Machine Learning, Finance & Web3, Infrastructure), all at the same $0.02 price point. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no further technical detail, so the actual response schema and request body format for this order-status endpoint are unknown.
Capabilities
Use cases
- —Checking the status of a specific order (#171) programmatically
- —Demonstrating x402 pay-per-call integration on Base with USDC
- —Agent-driven order tracking without API key management
Fit
Best for
- —Developers experimenting with x402 payment-gated APIs
- —Agents that need to query order status with instant crypto micropayments
- —Projects wanting keyless, pay-as-you-go API access on Base
Not for
- —Bulk order management requiring batch queries across many order IDs
- —Users who need detailed API documentation or response schemas before integrating
- —Non-crypto workflows that cannot settle payments in USDC on Base
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/171/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). However, there is no OpenAPI schema, no documented request/response format, no examples, and the docs pages are empty stubs. The endpoint path is hard-coded to a single order ID (#171), making its general utility unclear.
Warnings
- —Documentation pages (/docs, /api, /pricing, /README) all return only 'Connect wallet' with no technical content.
- —The endpoint path is hard-coded to order 171; it is unclear whether other order IDs are supported or how to discover them.
- —No request body schema or response schema is documented anywhere.
- —No OpenAPI spec or ai-plugin manifest is available.
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base networkhttps://lowpaymentfee.com/api/v1/orders/171/status
- —All listed endpoints 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