x402-gated backup endpoint on Base, pay-per-call with USDC at $0.02/request.
What it does
This endpoint at lowpaymentfee.com provides a "Premium API Access" resource at the path `/api/v1/backups/10`. It is part of a broader platform offering dozens of pay-per-request API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all gated via the x402 payment protocol on the Base network.
The specific `/api/v1/backups/10` endpoint accepts POST requests and returns `application/json`. Payment is settled in USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` on Base) with a maximum amount of 20,000 base units, which equals $0.02 (USDC uses 6 decimals). No API keys or rate limits are advertised; access is granted per-call upon valid x402 payment. The payment timeout is 300 seconds.
The platform's landing page lists a uniform $0.02/request pricing across all endpoints. Documentation pages (`/docs`, `/pricing`, `/README`) returned only a "Connect wallet" prompt with no further content, so the exact request body schema and response format for this particular backup endpoint are unknown. The endpoint name "backups/10" and description "Premium API Access" are generic and do not clarify what data or service is returned. Treat this as a low-documentation endpoint where the actual functionality must be discovered by making a paid call.
Capabilities
Use cases
- —Retrieving backup data via a single paid API call
- —Programmatic access to a backup resource without API key management
- —Agent-driven data retrieval with micropayment settlement on Base
Fit
Best for
- —Developers wanting keyless, pay-per-use API access
- —AI agents that can settle x402 payments in USDC on Base
- —Users who prefer no-subscription, no-commitment API pricing
Not for
- —Users needing detailed documentation or schema guarantees before paying
- —High-volume batch operations where per-call pricing may add up
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/backups/10 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no documentation on what the endpoint actually returns, no request/response schema, and the docs pages are empty. The name 'backups/10' is opaque with no explanation. Effectively a stub listing.
Warnings
- —No documentation available — /docs, /pricing, and /README all return only a 'Connect wallet' prompt with no content.
- —The purpose of '/api/v1/backups/10' is unclear; 'Premium API Access' is a generic label that does not describe the actual data or service.
- —No request body schema or response schema is provided; callers must pay to discover the response format.
- —No OpenAPI spec or AI plugin manifest found.
Citations
- —The endpoint returns a 402 challenge with x402Version 1, accepting USDC on Base with maxAmountRequired of 20000 base units ($0.02).https://lowpaymentfee.com/api/v1/backups/10
- —The platform advertises $0.02/request pricing with no API keys, no rate limits, and instant access on the Base network.https://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.https://lowpaymentfee.com/api/v1/backups/10