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 a "Premium API Access" resource at the path `/api/v1/backups/2026-08`. It is part of a broader platform offering dozens of x402-gated API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced uniformly at $0.02 per request, settled in USDC on the Base network.
The specific `/api/v1/backups/2026-08` path suggests a dated backup or snapshot resource (August 2026). The x402 challenge confirms the endpoint is live, accepting POST requests, and requiring an exact payment of 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals → $0.02) per call. Payment is made via the X-PAYMENT header per the x402 protocol (version 1), with a 300-second timeout window. No API keys or rate limits are advertised; access is purely payment-gated.
Documentation on the site is extremely thin — the docs, pricing, API, and README pages all render only a "Connect wallet" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the backup resource actually contains or what POST body it expects. The platform lists many other endpoints but provides no detailed documentation for any of them. Prospective users should be aware that the actual response payload and required request format are unknown from available materials.
Capabilities
Use cases
- —Retrieving a dated backup or data snapshot via a single paid API call
- —Programmatic access to archived data without subscription or API key management
- —Agent-driven data retrieval with automatic USDC micropayment on Base
Fit
Best for
- —Developers or agents needing one-off access to backup/snapshot data
- —Users who prefer pay-per-call pricing without subscriptions
- —x402-compatible agents settling payments in USDC on Base
Not for
- —Users who need detailed API documentation or request/response schemas before integrating
- —Bulk data retrieval where per-request pricing would be cost-prohibitive
- —Anyone without a Base-compatible USDC wallet
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/backups/2026-08 \
-H "Content-Type: application/json" \
-H "X-PAYMENT: <x402-payment-token>"Endpoint
Quality
The endpoint is live (402 challenge confirmed) and pricing is clear ($0.02 USDC on Base), but there is zero documentation on what the endpoint actually returns, what request body it expects, or what the backup resource contains. No OpenAPI schema, no examples, and all doc pages are empty. This is effectively a stub listing.
Warnings
- —No documentation available — all doc/pricing/README pages render only 'Connect wallet' with no content
- —No OpenAPI or request/response schema provided; request body format is unknown
- —The path '/api/v1/backups/2026-08' references a future date (August 2026), which is unusual and may indicate placeholder or test data
- —Actual response payload and data contents are completely undocumented
Citations
- —The endpoint returns a 402 challenge requiring 20,000 base units of USDC on Base (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)https://lowpaymentfee.com/api/v1/backups/2026-08
- —All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant access on the Base networkhttps://lowpaymentfee.com
- —The platform offers endpoints across Data & Analytics, AI & Machine Learning, Finance & Web3, and Infrastructure categorieshttps://lowpaymentfee.com
- —Docs, pricing, API, and README pages contain only a 'Connect wallet' prompt with no substantive documentationhttps://lowpaymentfee.com/docs