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/24`. 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/24` 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). The payment timeout is 300 seconds. No API keys or rate limits are advertised; access is granted purely through the x402 payment header.
The platform's landing page lists a uniform $0.02/request pricing model across all endpoints. However, the specific functionality of the `/api/v1/backups/24` endpoint is not documented beyond the label "Premium API Access." There is no OpenAPI spec, no detailed documentation, and the docs/pricing/API pages all render only a "Connect wallet" prompt with no further content. The actual data returned by this backup endpoint is unknown — it could be a data backup retrieval service, but this is speculative.
Capabilities
Use cases
- —Retrieving backup data (resource ID 24) via a single paid API call
- —Programmatic access to backup resources without API key management
- —Agent-driven data retrieval with automatic micropayment settlement
Fit
Best for
- —Developers who want keyless, pay-per-use API access on Base
- —AI agents that can settle x402 payments in USDC automatically
- —Users needing on-demand backup data without subscriptions
Not for
- —Users who need detailed documentation or schema definitions before integrating
- —Anyone without a Base-compatible USDC wallet
- —High-volume consumers who would prefer bulk/subscription pricing
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/backups/24 \
-H "X-PAYMENT: <x402-payment-token>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is live and returns a valid x402 challenge with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no documentation beyond a landing page listing, no request/response schema, and the actual functionality of '/api/v1/backups/24' is entirely undocumented. The docs, pricing, and API pages are empty beyond a wallet connect prompt.
Warnings
- —The specific functionality of /api/v1/backups/24 is undocumented — 'Premium API Access' is the only description available
- —No OpenAPI spec or request/response schema provided
- —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no usable content
- —The 'backups' path suggests data retrieval but the actual payload is unknown
Citations
- —Endpoint returns x402 challenge with maxAmountRequired of 20000 base units in USDC on Base networkhttps://lowpaymentfee.com/api/v1/backups/24
- —Platform advertises $0.02/request pricing with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/backups/24