Check order status via x402 micropayment on Base for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com returns the status of order #22 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 infrastructure utilities — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/22/status` is labeled "Premium API Access" in the x402 challenge. The challenge confirms the endpoint is live, accepting POST requests, and requires a payment of up to 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 exact scheme to the payee address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.
Documentation is extremely sparse — the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The platform advertises no API keys, no rate limits, and instant access, but the actual response format for this order-status endpoint is unknown. The endpoint appears to be a demonstration or template endpoint (order ID 22 is hardcoded in the URL) rather than a general-purpose order lookup.
Capabilities
Use cases
- —Querying the status of a specific order via a single micropayment
- —Demonstrating x402 payment protocol integration on Base
- —Agent-driven order status checks without API key management
Fit
Best for
- —Developers exploring x402 payment protocol
- —Agents needing keyless, pay-per-call order status lookups
- —Testing micropayment-gated API workflows on Base
Not for
- —Bulk order management or querying arbitrary order IDs (endpoint is hardcoded to order 22)
- —Users who need detailed API documentation or response schema guarantees
- —Production order tracking systems requiring high reliability and SLAs
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/22/status \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing. However, documentation is essentially nonexistent (all doc pages show only 'Connect wallet'), there is no OpenAPI spec, no request/response schema, and the endpoint appears to be a single hardcoded order ID rather than a general-purpose API. The platform's broader offerings are listed but similarly undocumented.
Warnings
- —No API documentation available — /docs, /pricing, /api, and /README pages all render only 'Connect wallet'
- —No OpenAPI or output schema provided; response format is completely unknown
- —Endpoint is hardcoded to order ID 22; unclear if other order IDs are supported
- —Platform appears to be a demo or early-stage project with many advertised endpoints but no verifiable documentation
Citations
- —The x402 challenge requires up to 20,000 base units of USDC on Base (=$0.02) with a 300-second timeouthttps://lowpaymentfee.com/api/v1/orders/22/status
- —The platform advertises APIs across data/analytics, AI/ML, finance/Web3, and infrastructure categories all at $0.02 per requesthttps://lowpaymentfee.com
- —The platform claims no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/orders/22/status