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 #185 via a POST request, gated by an x402 payment challenge. It is part of a broader platform that offers 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/185/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 an X-PAYMENT header with a valid payment proof.
The platform's landing page lists additional endpoints across four categories: Data & Analytics (metrics, reports, 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 are advertised at the same $0.02/request price point. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no further technical detail.
Capabilities
Use cases
- —Checking the status of a specific order programmatically with per-call payment
- —Demonstrating x402 payment-gated API access for agent-to-agent commerce
- —Integrating low-cost, keyless API calls into automated workflows
Fit
Best for
- —Developers experimenting with x402 payment protocols
- —Agents that need keyless, pay-per-call API access on Base
- —Low-volume consumers who want no subscription or rate-limit overhead
Not for
- —High-volume order management requiring bulk or batch status queries
- —Users without a Base-network USDC wallet
- —Anyone needing detailed order management beyond status checks
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/185/status \
-H "X-PAYMENT: <x402-payment-proof>" \
-H "Content-Type: application/json"Example
Request
{
"url": "https://lowpaymentfee.com/api/v1/orders/185/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, and all documentation pages beyond the landing page are empty ('Connect wallet' only). The specific endpoint path (/orders/185/status) appears to be a hardcoded order ID with no documented input/output schema, making practical utility unclear.
Warnings
- —No OpenAPI or schema documentation available — response format is unknown.
- —Documentation, pricing, API, and README pages all return only 'Connect wallet' with no content.
- —The endpoint path contains a hardcoded order ID (185); it is unclear whether this is a demo or a real resource.
- —No response example could be obtained; example_response_json is null.
Citations
- —The x402 challenge advertises maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network.https://lowpaymentfee.com/api/v1/orders/185/status
- —All listed 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 endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categories.https://lowpaymentfee.com