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 #146 via a POST request, gated by the x402 payment protocol. 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 utility categories — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/146/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 (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, 6 decimals), which equals $0.02. Payment is made by including an X-PAYMENT header with the x402 payment proof. No API keys, rate limits, or subscriptions are required — each call is independently settled on-chain.
Documentation beyond the landing page is extremely sparse: the /docs, /api, /pricing, and /README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema documentation, and no example payloads available. The endpoint is confirmed live (returns HTTP 402 with a valid x402 challenge), but the actual response format after successful payment is unknown.
Capabilities
Use cases
- —Checking the status of a specific order (#146) programmatically
- —Demonstrating x402 payment-gated API access patterns
- —Agent-driven order tracking with on-chain micropayments
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents that need to make small on-chain payments for API access
- —Projects already operating on the Base L2 network with USDC
Not for
- —Production order management systems (endpoint is hardcoded to order 146)
- —Users who need detailed API documentation or OpenAPI specs before integrating
- —High-volume use cases where per-request on-chain settlement adds latency
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/146/status \
-H "X-PAYMENT: <x402-payment-proof>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing, but documentation is essentially nonexistent — no request/response schemas, no examples, and the endpoint is hardcoded to a single order ID. The broader platform lists many endpoints but provides no docs for any of them.
Warnings
- —Documentation pages (/docs, /api, /pricing, /README) all render only 'Connect wallet' with no technical content
- —No OpenAPI spec or request/response schema available
- —Endpoint is hardcoded to order ID 146 — unclear if this is a demo or a real resource
- —No information about what the response body looks like after successful payment
- —The broader platform advertises many endpoints but none have documented schemas
Citations
- —The endpoint returns a valid x402 challenge with maxAmountRequired of 20000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/orders/146/status
- —All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset address on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/orders/146/status