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 #154 via a POST request, gated by an x402 payment challenge. 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 settled in USDC on the Base network.
The specific endpoint `/api/v1/orders/154/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 sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout. No API keys or rate limits are advertised; access is instant upon payment.
Note that this particular endpoint is scoped to a single order ID (154). The broader platform lists many other endpoints (analytics, AI sentiment/summarization/classification/embeddings, finance price feeds, crypto gas estimates, geocoding, validation, etc.) all at the same $0.02 price point. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no further technical detail, so the actual response schema and input parameters for this endpoint are unknown.
Capabilities
Use cases
- —Checking the status of a specific order (#154) 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 protocols
- —Agents that need to pay per API call without API keys
- —Use cases requiring low-friction, keyless API access on Base
Not for
- —Bulk order status queries across many order IDs (endpoint is scoped to order 154)
- —Users without USDC on Base network
- —Applications needing detailed API documentation or guaranteed SLAs
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/154/status \
-H "X-PAYMENT: <x402_payment_token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base). However, the endpoint is scoped to a single hardcoded order ID, there is no OpenAPI schema, no documentation beyond a landing page, and no example request/response bodies are available. The docs, pricing, and README pages all returned only 'Connect wallet' with no technical content.
Warnings
- —Endpoint is hardcoded to order ID 154 — unclear if other order IDs are supported or how to discover them.
- —No OpenAPI spec, no request/response schema documentation available.
- —All documentation pages beyond the landing page returned only 'Connect wallet' with no useful content.
- —The broader platform lists many endpoints but none have documented schemas or examples.
Citations
- —The x402 challenge requires 20,000 base units of USDC on Base, equaling $0.02 per request.https://lowpaymentfee.com/api/v1/orders/154/status
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base.https://lowpaymentfee.com/api/v1/orders/154/status
- —Payment recipient is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.https://lowpaymentfee.com/api/v1/orders/154/status