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 #162 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/162/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's X-PAYMENT header, with no API keys or rate limits required. The endpoint responds with JSON.
The broader platform advertises endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more — all at the same $0.02/request price point. However, documentation beyond the landing page is essentially empty (all subpages just show "Connect wallet"), so the actual behavior, request schemas, and response formats for this and other endpoints are undocumented.
Capabilities
Use cases
- —Checking the status of a specific order (#162) programmatically
- —Demonstrating x402 micropayment integration on Base
- —Agent-driven order tracking with per-call payment
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing pay-per-call order status checks
- —Projects that want keyless API access settled in USDC on Base
Not for
- —Production order management systems (endpoint is hardcoded to order 162)
- —Users who need detailed API documentation or OpenAPI specs
- —High-volume use cases where per-request pricing is inefficient
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/162/status \
-H "X-PAYMENT: <x402_payment_token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing. However, the endpoint is hardcoded to a single order ID, documentation pages are all blank ('Connect wallet'), there is no OpenAPI spec, no request/response schema, and no examples. The actual utility of this specific endpoint is unclear.
Warnings
- —All documentation pages (/docs, /api, /pricing, /README) return only 'Connect wallet' with no actual content.
- —Endpoint is hardcoded to order 162 — unclear if this is a demo or a real resource.
- —No OpenAPI spec or request/response schema available.
- —No example responses documented; actual output format is unknown.
- —The platform lists many other endpoints on its landing page, but none have documentation.
Citations
- —The x402 challenge requires 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base networkhttps://lowpaymentfee.com/api/v1/orders/162/status
- —All APIs 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
- —The platform offers endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com