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 #147 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 utilities — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/147/status` is labeled "Premium API Access" and accepts POST requests. Payment is handled via the x402 exact-amount scheme: the caller includes an X-PAYMENT header with a signed USDC payment of up to 20,000 base units (i.e., $0.02, since USDC uses 6 decimals). The payment is directed to address `0x1A2B...85F3` on Base, with a timeout of 300 seconds. No API keys or rate limits are advertised; access is purely pay-per-use.
The platform's landing page lists additional endpoints for sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, geocoding, validation, and more — all at the same $0.02 price point. However, documentation beyond the landing page is essentially empty (pages like /docs, /pricing, and /README only show a "Connect wallet" prompt), so the actual response schemas and detailed behavior of each endpoint are undocumented. This specific endpoint's purpose — order status retrieval — is clear from the URL path but no response schema or example output is provided.
Capabilities
Use cases
- —Checking the status of a specific order programmatically
- —Demonstrating x402 payment-gated API access
- —Integrating pay-per-call order tracking into agent workflows
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents needing simple order status checks without API key management
- —Low-volume, pay-as-you-go API consumption on Base
Not for
- —High-volume order management systems needing bulk queries
- —Users who need detailed API documentation or response schemas before integrating
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/147/status \
-H "X-PAYMENT: <x402-signed-payment-header>" \
-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 landing page, and the endpoint is hardcoded to a single order ID (147), making its general utility unclear. Docs pages are effectively blank.
Warnings
- —No API documentation available — /docs, /pricing, and /README pages are empty beyond a wallet connect prompt
- —No response schema or example output provided for this endpoint
- —Endpoint path is hardcoded to order 147; unclear if other order IDs are supported or what the order represents
- —Platform appears to be a demo or early-stage project with many listed endpoints but no substantive documentation
Citations
- —The endpoint returns a 402 challenge requesting up to 20,000 base units of USDC on Basehttps://lowpaymentfee.com/api/v1/orders/147/status
- —All endpoints are priced at $0.02 per request with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —The platform lists endpoints across Data & Analytics, AI & ML, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com
- —USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base networkhttps://lowpaymentfee.com/api/v1/orders/147/status