Download July 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 for the 2024-07 period. It is part of a broader suite of x402-enabled APIs offered by the same provider, spanning data analytics, AI/ML inference, finance, and utility categories — all priced at $0.02 per request with no API keys, rate limits, or commitments required.
The endpoint is live and responds with a standard x402 payment challenge. Payment is settled on the Base network using USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) with the "exact" scheme. The maximum amount required is 20,000 base units, which at 6 decimals equals $0.02. The HTTP method is POST, and the response MIME type is application/json. A 300-second payment timeout is configured.
Documentation beyond the landing page is essentially empty — 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 documentation, and no explanation of what the backup file contains or what parameters (if any) the POST body accepts. The endpoint path suggests a static monthly backup archive, but the actual contents and format are unknown.
Capabilities
Use cases
- —Downloading a July 2024 backup archive via a single micropayment
- —Programmatic retrieval of periodic data backups without API key management
- —Agent-initiated paid file downloads settled on Base L2
Fit
Best for
- —Users needing one-off backup file retrieval with no subscription
- —Agents that can settle x402 USDC payments on Base
- —Scenarios where keyless, pay-per-use access is preferred
Not for
- —Users who need documentation on the backup contents before purchasing
- —High-volume bulk download use cases where per-request pricing adds up
- —Anyone requiring non-crypto payment methods
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/backups/2024-07/download \
-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 request/response schema, no documentation on what the backup contains, and all doc pages are empty stubs. The listing is essentially a stub with only the payment challenge to go on.
Warnings
- —No documentation available — /docs, /pricing, /api, and /README all return only a wallet-connect prompt with no content.
- —No OpenAPI or schema describing request parameters or response format for this endpoint.
- —Unknown backup contents — the endpoint path implies a July 2024 backup but there is no description of what data is included.
- —The provider hosts many endpoints but none have documented schemas or examples.
Citations
- —The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units in USDC on Base networkhttps://lowpaymentfee.com/api/v1/backups/2024-07/download
- —All APIs on the site are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base networkhttps://lowpaymentfee.com
- —USDC asset contract is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913https://lowpaymentfee.com/api/v1/backups/2024-07/download