x402-gated backup/data endpoint on Base, pay-per-request with USDC at $0.02/call.
What it does
This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/backups/46` is one of many endpoints offered by the provider, which hosts a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all gated behind x402 micropayments on the Base network.
The endpoint accepts POST requests and returns application/json responses. Payment is settled in USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base) using the "exact" x402 scheme. The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals). The provider advertises a flat $0.02 per request across all endpoints, with no API keys, no rate limits, and no minimum commitments.
The specific purpose of the `/api/v1/backups/46` resource is not documented beyond the generic label "Premium API Access." The provider's landing page lists many endpoint categories but does not include a backups category, so the exact data returned by this particular endpoint is unclear. No OpenAPI schema, detailed documentation, or example responses were found in the crawl — the docs, pricing, and API pages all rendered only a "Connect wallet" prompt with no further content.
Capabilities
Use cases
- —Retrieving backup data (resource ID 46) via a single micropayment
- —Agent-driven data access without API key provisioning
- —Pay-per-call data retrieval settled on Base L2
Fit
Best for
- —Agents that need keyless, pay-as-you-go API access on Base
- —Developers experimenting with x402 micropayment flows
- —Automated workflows requiring on-demand backup retrieval
Not for
- —Users who need detailed documentation or OpenAPI specs before integrating
- —High-volume batch retrieval where per-call pricing adds up
- —Anyone needing non-USDC or non-Base payment settlement
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/backups/46 \
-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 specific purpose of /api/v1/backups/46 is undocumented, no OpenAPI schema or example responses exist, and the docs/pricing/API pages are empty beyond a wallet-connect prompt. The listing is essentially a stub with verified liveness and pricing.
Warnings
- —The exact purpose and response format of /api/v1/backups/46 is not documented anywhere in the crawled material.
- —No OpenAPI spec, request/response examples, or detailed documentation available.
- —The docs, pricing, and API pages render only 'Connect wallet' with no further content.
- —The /api/v1/backups/ path does not appear in the provider's listed endpoint categories, raising questions about what this resource actually returns.
Citations
- —The endpoint returns a 402 challenge with x402Version 1, requiring USDC payment on Base network.https://lowpaymentfee.com/api/v1/backups/46
- —maxAmountRequired is 20000 base units of USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02.https://lowpaymentfee.com/api/v1/backups/46
- —The provider advertises $0.02/request flat pricing with no API keys, no rate limits, and instant access on Base network.https://lowpaymentfee.com
- —The provider lists endpoint categories including Data & Analytics, AI & ML, Finance & Web3, and Infrastructure, but no backups category.https://lowpaymentfee.com