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 #128 via a POST request, gated by the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which provides a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/128/status` accepts a POST and returns `application/json`. Payment is handled inline: callers attach an `X-PAYMENT` header containing a signed x402 payment voucher for up to 20,000 base units of USDC (i.e., $0.02, since USDC uses 6 decimals). No API keys, accounts, or rate limits are advertised — access is purely pay-per-use.
Note that this particular URL is hard-coded to order ID 128. It is unclear from the available material whether the endpoint is parameterized for arbitrary order IDs or whether this is a demonstration/sample resource. The broader platform lists many other endpoints (sentiment analysis, text summarization, geocoding, price feeds, etc.) at the same $0.02 price point, but documentation pages returned only a wallet-connect prompt with no further technical detail.
Capabilities
Use cases
- —Checking the status of a specific order programmatically
- —Demonstrating x402 payment-gated API access on Base
- —Agent-driven order tracking with per-call USDC micropayments
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents that need to query order status without API key management
- —Low-volume, pay-as-you-go order lookups
Not for
- —High-volume order management systems needing bulk queries
- —Users without a Base-network USDC wallet
- —Anyone needing order status for IDs other than 128 (unclear if parameterized)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/128/status \
-H "X-PAYMENT: <x402-payment-voucher>" \
-H "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, no documentation beyond a wallet-connect stub, and the endpoint is hard-coded to a single order ID with no explanation of the data model or expected response shape.
Warnings
- —Documentation pages (/docs, /api, /pricing, /README) all returned only a 'Connect wallet' prompt with no technical content.
- —Endpoint URL is hard-coded to order ID 128; unclear whether other order IDs are supported or if this is a demo resource.
- —No OpenAPI spec, no response schema, and no example responses are available.
- —The broader platform advertises many endpoints (AI, finance, utils) but none have documented schemas — treat all with caution.
Citations
- —Endpoint returns 402 with x402 challenge requiring USDC payment on Base networkhttps://lowpaymentfee.com/api/v1/orders/128/status
- —maxAmountRequired is 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02https://lowpaymentfee.com/api/v1/orders/128/status
- —Platform advertises $0.02/request, no API keys, no rate limits, Base networkhttps://lowpaymentfee.com
- —Multiple API categories listed: Data & Analytics, AI & ML, Finance & Web3, Infrastructurehttps://lowpaymentfee.com