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 #11 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 across data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request settled in USDC on the Base network.
The x402 challenge advertises a maxAmountRequired of 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, 6 decimals), which equals $0.02. Payment is sent to 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API keys or rate limits are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof.
The specific endpoint `/api/v1/orders/11/status` appears to be a single hardcoded order-status lookup. The platform's landing page lists many other endpoints (metrics, reports, sentiment analysis, summarization, classification, embeddings, price feeds, exchange rates, geocoding, etc.), all at the same $0.02 price point. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no additional technical detail, so the actual response schema and behavior of this endpoint are not documented.
Capabilities
Use cases
- —Checking the status of a specific order via a single paid API call
- —Demonstrating x402 payment-gated API access on Base
- —Integrating micropayment-based order tracking into agent workflows
Fit
Best for
- —Developers experimenting with x402 payment protocols
- —Agents needing low-cost, keyless API access on Base
- —Prototyping pay-per-call commerce flows
Not for
- —Production order management systems (endpoint is hardcoded to order 11)
- —Users who need detailed API documentation or response schemas
- —High-throughput order tracking requiring bulk queries
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/11/status \
-H "X-PAYMENT: <x402-payment-proof>" \
-H "Content-Type: application/json"Example
Request
{
"url": "https://lowpaymentfee.com/api/v1/orders/11/status",
"method": "POST",
"headers": {
"X-PAYMENT": "<x402-payment-proof>",
"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 response examples, no documentation beyond a landing page, and the endpoint is hardcoded to a single order ID, making its practical utility unclear.
Warnings
- —No API documentation available — all doc/pricing/README pages return only 'Connect wallet' with no content.
- —Endpoint is hardcoded to order 11; unclear if other order IDs are supported or if this is a demo.
- —No response schema or example response is documented anywhere.
- —The platform lists many endpoints but none appear to have detailed docs.
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC on Base with a 300-second timeout.https://lowpaymentfee.com/api/v1/orders/11/status
- —All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on the Base network.https://lowpaymentfee.com
- —USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 and payTo is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3.https://lowpaymentfee.com/api/v1/orders/11/status