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 #79 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/79/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 X-PAYMENT header per the x402 protocol (version 1). There are no API keys, no rate limits, and no subscription commitments — callers pay per request.
Documentation on the site is extremely thin: the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI spec, no request/response schema, and no usage examples. The endpoint is confirmed live (returns 402 with a valid x402 challenge), but the actual response payload after successful payment is unknown. The platform advertises categories including analytics metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation — all at the same $0.02 price point.
Capabilities
Use cases
- —Checking the status of a specific order via a single paid API call
- —Demonstrating x402 protocol payment flows for agent-to-agent commerce
- —Integrating pay-per-use order tracking into automated workflows
Fit
Best for
- —Developers experimenting with x402 payment protocol on Base
- —Agents needing simple pay-per-call order status checks
- —Projects that want keyless, subscription-free API access
Not for
- —Production order management systems needing bulk or batch status queries
- —Users who need detailed API documentation or response schema guarantees
- —Anyone looking for free or traditional API-key-based order tracking
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/orders/79/status
# Returns 402 with x402 challenge; include X-PAYMENT header with valid USDC payment to receive order status.Endpoint
Quality
The endpoint is live and returns a valid x402 challenge, but there is no documentation, no OpenAPI spec, no request/response schema, and no examples. The specific endpoint path (/orders/79/status) is hardcoded to a single order ID, which limits general utility. The broader platform lists many endpoints but provides no substantive docs for any of them.
Warnings
- —No OpenAPI spec or response schema available — actual response payload after payment is unknown.
- —Documentation pages (docs, pricing, API, README) all render only 'Connect wallet' with no content.
- —The endpoint path is hardcoded to order ID 79; it is unclear if other order IDs are supported or how to discover them.
- —The platform lists many endpoint categories (AI, finance, analytics, etc.) but none have documented schemas or examples.
Citations
- —The x402 challenge requires 20,000 base units of USDC on Base (=$0.02) per request.https://lowpaymentfee.com/api/v1/orders/79/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 contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.https://lowpaymentfee.com/api/v1/orders/79/status
- —Docs, pricing, API, and README pages render only a 'Connect wallet' prompt.https://lowpaymentfee.com/docs