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 #15 via an x402-gated POST request. It is part of a broader platform offering multiple API categories — data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all priced at $0.02 per call and settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/15/status` accepts POST requests and returns JSON. Payment is handled via the x402 protocol: callers include an X-PAYMENT header with a signed payment of up to 20,000 base units of USDC (0.02 USD, since USDC uses 6 decimals) to the payee address `0x1A2B...85F3`. The payment scheme is "exact" with a maximum timeout of 300 seconds. No API keys or rate limits are advertised; access is purely pay-per-request.
Documentation on the site is extremely thin — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI spec, no request/response schema documentation, and no examples beyond the landing page listing. The endpoint is confirmed live (returns a proper 402 challenge), but the actual response payload structure for a successful paid request is unknown.
Capabilities
Use cases
- —Checking the status of a specific order programmatically
- —Demonstrating x402 micropayment integration on Base
- —Agent-driven order tracking without API key management
Fit
Best for
- —Developers experimenting with x402 payment protocol
- —Agents that need keyless, pay-per-call API access
- —Quick order status lookups settled in USDC on Base
Not for
- —Bulk order management or querying arbitrary order IDs (endpoint is hardcoded to order 15)
- —Users who need detailed API documentation or OpenAPI specs before integrating
- —Anyone without USDC on the Base network
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/15/status \
-H "X-PAYMENT: <x402-signed-payment-header>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but documentation is essentially nonexistent — no OpenAPI spec, no request/response schemas, no examples. The endpoint path is hardcoded to a single order ID (15), and the broader platform docs pages are empty. Pricing and payment details are clear from the challenge, but functional utility is very uncertain.
Warnings
- —No OpenAPI spec or schema documentation available
- —Docs, API, pricing, and README pages all render only 'Connect wallet' with no content
- —Endpoint is hardcoded to order ID 15 — unclear if other order IDs are supported or how to discover them
- —No response schema documented; actual payload structure is unknown
- —Platform appears to be a demo or early-stage project with placeholder endpoints
Citations
- —The endpoint returns a 402 challenge with maxAmountRequired of 20000 base units of USDC on Base networkhttps://lowpaymentfee.com/api/v1/orders/15/status
- —All APIs on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —The platform offers APIs across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com
- —USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base networkhttps://lowpaymentfee.com/api/v1/orders/15/status