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 #75 via a POST request, gated by an x402 payment challenge. It is part of a broader platform offering data & analytics, AI/ML inference, finance/Web3, and infrastructure utility APIs — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/75/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 via the X-PAYMENT header per the x402 protocol (version 1), with a 300-second timeout. No API keys or rate limits are advertised; access is purely pay-per-call.
The broader platform advertises endpoints across four categories: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure (geocoding, validation, conversion, generation). All share the same $0.02 pricing. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no further technical detail, so request/response schemas for this specific order-status endpoint are unknown.
Capabilities
Use cases
- —Checking the status of a specific order programmatically with per-call USDC payment
- —Demonstrating x402 protocol integration for agent-driven commerce
- —Building automated order-tracking workflows that settle payments on Base
Fit
Best for
- —Developers experimenting with x402 pay-per-call protocols
- —Agents that need to query order status without pre-provisioned API keys
- —Low-volume, on-demand order lookups where subscription pricing is unnecessary
Not for
- —High-volume order management systems needing bulk or batch status checks
- —Users without a Base-network USDC wallet
- —Applications requiring detailed order-status response schemas upfront
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/75/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, there is no OpenAPI schema, no documented request/response format, no examples, and the docs pages are empty beyond a wallet-connect prompt. The endpoint path is hardcoded to order 75, making its general utility unclear.
Warnings
- —No request or response schema available — input/output formats are unknown.
- —Endpoint path is hardcoded to order ID 75; unclear if it generalizes to other orders.
- —All documentation pages beyond the landing page returned only 'Connect wallet' with no technical content.
- —The platform lists many endpoint categories but none have documented schemas or examples.
Citations
- —The x402 challenge returns maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network.https://lowpaymentfee.com/api/v1/orders/75/status
- —All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant access on the Base network.https://lowpaymentfee.com
- —The platform offers APIs across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories.https://lowpaymentfee.com