Download backup data for November 2026 via x402 micropayment on Base network.
What it does
This endpoint at lowpaymentfee.com provides a downloadable backup file for the period 2026-11, gated behind an x402 payment challenge. The endpoint accepts POST requests and returns application/json content. Payment is settled in USDC on the Base network at $0.02 per request (20,000 base units of USDC with 6 decimals). No API keys or rate limits are required — access is granted immediately upon valid payment.
lowpaymentfee.com hosts a broader suite of x402-gated APIs spanning data & analytics, AI/ML inference (sentiment analysis, summarization, classification, embeddings), finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and infrastructure utilities (geocoding, validation, conversion, generation). All endpoints on the platform share the same $0.02/request pricing model with no minimums or commitments.
The specific endpoint `/api/v1/backups/2026-11/download` is listed under the provider's "Premium API Access" label. Its exact output schema and backup contents are not documented in the crawled material, so the precise data returned is unclear. The endpoint is confirmed live via a valid 402 challenge response.
Capabilities
Use cases
- —Downloading periodic backup snapshots via automated agents
- —Programmatic retrieval of archived data for November 2026
- —Agent-driven data backup workflows with crypto micropayments
Fit
Best for
- —Agents needing on-demand backup file retrieval without API key management
- —Workflows requiring pay-per-use data downloads settled in USDC on Base
- —Automated systems that need instant access without subscription commitments
Not for
- —Users who need free or subscription-based backup access
- —Use cases requiring non-crypto payment methods
- —Retrieving backups for periods other than 2026-11 (different endpoints needed)
Quick start
curl -X POST https://lowpaymentfee.com/api/v1/backups/2026-11/download \
-H "X-PAYMENT: <x402-payment-header>" \
-H "Content-Type: application/json"Endpoint
Quality
The endpoint is confirmed live via a valid x402 402 challenge, but there is no OpenAPI schema, no documentation of request/response bodies, and no examples. The crawled docs/pricing/README pages returned only 'Connect wallet' with no useful content. The purpose of the backup file is entirely undocumented.
Warnings
- —No documentation available for this specific endpoint — backup contents and response format are unknown.
- —Docs, pricing, README, and API pages all returned only 'Connect wallet' with no substantive content.
- —The backup period '2026-11' is in the future relative to current knowledge, which is unusual for a backup endpoint.
- —Output schema only specifies HTTP POST method; no response body schema is provided.
Citations
- —Endpoint returns a 402 challenge with maxAmountRequired of 20000 in USDC on Base networkhttps://lowpaymentfee.com/api/v1/backups/2026-11/download
- —All endpoints on the platform are priced at $0.02 per request with no API keys, no rate limits, and instant accesshttps://lowpaymentfee.com
- —USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base networkhttps://lowpaymentfee.com/api/v1/backups/2026-11/download