Download April 2024 backup data via x402 micropayment on Base for $0.02 per request.
What it does
This endpoint at lowpaymentfee.com provides access to a downloadable backup file from April 2024 via the x402 payment protocol. It is one of many endpoints offered by the lowpaymentfee.com platform, which hosts a variety of data, analytics, AI/ML, finance, and utility APIs — all priced at $0.02 per request and settled in USDC on the Base network.
The specific endpoint `/api/v1/backups/2024-04/download` accepts POST requests and returns `application/json` content. Payment is handled inline via the x402 protocol: callers must include an `X-PAYMENT` header with a valid payment proof. The x402 challenge confirms the endpoint is live, requesting a maximum of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. The payment is sent to address `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a timeout of 300 seconds.
Documentation on the site is extremely sparse — the docs, API, pricing, and README pages all render only a "Connect wallet" prompt with no additional technical detail. There is no OpenAPI spec, no request/response schema documentation, and no description of what the backup data actually contains. The endpoint's purpose ("backups/2024-04/download") suggests it serves archived or historical data from April 2024, but the exact payload structure and content are unknown.
Capabilities
Use cases
- —Downloading archived backup data from April 2024
- —Programmatic retrieval of historical data snapshots
- —Agent-driven data acquisition with per-request micropayments
Fit
Best for
- —Agents needing historical backup data from April 2024
- —Developers exploring x402 micropayment-gated data endpoints
- —Automated workflows that fetch archived datasets
Not for
- —Users needing real-time or streaming data
- —Anyone requiring detailed API documentation or schema guarantees before purchasing
- —Bulk data retrieval where per-request pricing is inefficient
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/backups/2024-04/download \
-H "X-PAYMENT: <x402-payment-proof>" \
-H "Content-Type: application/json"Endpoint
Quality
The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation beyond a wallet-connect prompt, and no description of what the backup data actually contains. This is effectively a stub listing.
Warnings
- —No OpenAPI or schema documentation available — request and response formats are unknown
- —Docs, API, pricing, and README pages all return only a 'Connect wallet' prompt with no useful content
- —The nature and contents of the 'April 2024 backup' are completely undocumented
- —No examples of request body or response payload available
Citations
- —The endpoint returns a 402 challenge requesting 20,000 base units of USDC on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), equaling $0.02https://lowpaymentfee.com/api/v1/backups/2024-04/download
- —The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on the Base networkhttps://lowpaymentfee.com
- —Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeouthttps://lowpaymentfee.com/api/v1/backups/2024-04/download
- —Docs, API, pricing, and README pages render only a 'Connect wallet' prompthttps://lowpaymentfee.com/docs