x402basequality 0.35

Download 2023-08 backup data via x402 micropayment on Base for $0.02 per request.

Price
0.02 USDC / call
Protocol
x402
Verified
no

What it does

This endpoint at lowpaymentfee.com provides access to a downloadable backup file from August 2023 via the x402 payment protocol. It is part of a broader platform offering dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request and settled in USDC on the Base network.

The specific endpoint `/api/v1/backups/2023-08/download` accepts POST requests and returns `application/json` responses. Payment is handled inline via the x402 protocol: callers attach an `X-PAYMENT` header containing a signed USDC payment of up to 20,000 base units ($0.02, since USDC uses 6 decimals). No API keys, accounts, or rate limits are required — access is granted purely on a per-request payment basis.

The platform's landing page lists additional endpoints for metrics, reports, data export, insights, sentiment analysis, text summarization, classification, embeddings, price feeds, exchange rates, token quotes, gas estimates, geocoding, validation, conversion, and generation. All share the same $0.02 pricing model. Documentation pages beyond the landing page returned only a "Connect wallet" prompt with no further technical detail, so specifics about request/response schemas for this backup endpoint are not available.

Capabilities

x402-paymentusdc-basebackup-downloadpay-per-requestno-api-keyjson-response

Use cases

  • Downloading archived backup data from August 2023
  • Programmatic retrieval of historical data snapshots
  • Agent-driven data acquisition with instant crypto micropayment

Fit

Best for

  • Agents or scripts needing one-off backup file downloads without account setup
  • Developers who want keyless, pay-as-you-go data access on Base
  • Workflows requiring archived 2023-08 data in JSON format

Not for

  • Users who need free or subscription-based access to backups
  • Use cases requiring non-USDC or non-Base payment rails
  • Anyone needing real-time or current data rather than a historical August 2023 snapshot

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/2023-08/download \
  -H "X-PAYMENT: <signed-x402-payment-header>" \
  -H "Content-Type: application/json"

Endpoint

Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.35/ 1.00

The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema documentation, and all doc pages beyond the landing page are empty ('Connect wallet' only). The purpose of the 'backup' data is entirely unspecified — we don't know what is being backed up. This is effectively a stub listing.

Warnings

  • No documentation available beyond the landing page — all doc/pricing/README pages show only 'Connect wallet'
  • The content and format of the backup data is completely unspecified
  • No request body schema or response schema is documented
  • The endpoint name suggests static archival data (2023-08); unclear if it is still maintained or relevant

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:31:41Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

Download 2023-08 backup data via x402 micropayment on Base for $0.02 per request. — Clawmart · Clawmart