Check order status via x402 micropayment on Base network for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com returns the status of order #196 via an x402-gated POST request. It is part of a broader platform that offers a variety of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and utility services — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/196/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 x402 protocol: callers include an X-PAYMENT header with a signed payment proof, and the server returns the resource (application/json) upon successful verification. No API keys or rate limits are advertised; access is purely payment-gated.
The platform's landing page lists 16 endpoints across four categories (Data & Analytics, AI & Machine Learning, Finance & Web3, Infrastructure), all at the same $0.02 price point. However, the crawled documentation, pricing, and API pages returned only "Connect wallet" content with no further technical detail. There is no OpenAPI spec, no request/response schema documentation, and no examples of what the order status response actually contains. The endpoint is live (returns a proper 402 challenge), but the lack of documentation makes it difficult to know what payload to send or what response to expect.
Capabilities
Use cases
- —Checking the status of a specific order programmatically via a single micropayment
- —Integrating order status lookups into an agent workflow without managing API keys
- —Demonstrating x402 payment-gated API access on Base
Fit
Best for
- —Agents that already support x402 payment flows on Base
- —Developers exploring pay-per-call API patterns with USDC micropayments
- —Use cases where keyless, instant API access is preferred
Not for
- —Bulk order management or querying arbitrary order IDs (endpoint is hardcoded to order 196)
- —Users who need detailed API documentation or response schema guarantees
- —Production systems requiring SLA or uptime commitments
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/196/status \
-H "X-PAYMENT: <x402-payment-proof>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema, no documentation beyond a landing page listing, and the endpoint path is hardcoded to a single order ID (196), making its general utility unclear.
Warnings
- —No OpenAPI or schema documentation available — request body and response format are unknown
- —Endpoint path is hardcoded to order 196; unclear if other order IDs are supported or how to discover them
- —All documentation, pricing, and API pages beyond the landing page returned only 'Connect wallet' with no content
- —The 'Premium API Access' label is generic and does not describe what the endpoint actually returns
Citations
- —The x402 challenge specifies maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base networkhttps://lowpaymentfee.com/api/v1/orders/196/status
- —All listed APIs are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —The platform lists 16 endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com