x402basequality 0.30

x402-gated backup/data endpoint on Base, pay $0.02 per request in USDC.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/backups/2025-01

What it does

This endpoint at lowpaymentfee.com provides a "Premium API Access" resource at the path `/api/v1/backups/2025-01`. It is part of a broader platform offering dozens of x402-payable API endpoints spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all priced at $0.02 per request, settled in USDC on the Base network.

The specific `/api/v1/backups/2025-01` path suggests a backup or archived data resource for January 2025, though the provider does not document what payload this endpoint returns. The x402 challenge is live and well-formed: it requires an exact payment of 20,000 base units of USDC (0x8335…2913 on Base, 6 decimals → $0.02) via the x402 protocol (version 1). Payment is sent to `0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3` with a 300-second timeout. The response MIME type is `application/json`.

The platform advertises no API keys, no rate limits, and instant access. However, documentation pages (`/docs`, `/pricing`, `/api`, `/README`) all resolve to a minimal "Connect wallet" prompt with no further content, so there is no schema documentation, example payloads, or detailed descriptions of what any endpoint actually returns. The backup endpoint in particular is not listed on the homepage's API catalog, making its purpose unclear.

Capabilities

x402-paymentusdc-baseper-request-billingjson-responsebackup-data

Use cases

  • —Retrieving archived or backup data for January 2025 from the provider
  • —Programmatic access to stored data snapshots via pay-per-request
  • —Agent-driven data retrieval with no API key required

Fit

Best for

  • —Agents that need keyless, pay-per-call access to backup data
  • —Workflows requiring on-chain USDC micropayments on Base
  • —Quick one-shot data retrieval without subscription commitments

Not for

  • —Users who need documented response schemas before integrating
  • —High-volume bulk data retrieval where $0.02/request adds up
  • —Anyone needing non-crypto payment options

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/2025-01 \
  -H "X-PAYMENT: <x402-payment-token>" \
  -H "Content-Type: application/json"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/backups/2025-01
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and well-formed, confirming the endpoint works. However, there is zero documentation on what this backup endpoint accepts or returns — no OpenAPI spec, no examples, no description beyond the generic title. The docs/pricing/README pages are all empty 'Connect wallet' stubs. The specific endpoint isn't even listed in the homepage catalog.

Warnings

  • —No documentation exists for this specific endpoint — its purpose and response format are unknown
  • —All doc pages (/docs, /pricing, /api, /README) return only a 'Connect wallet' stub with no content
  • —The /api/v1/backups/2025-01 path is not listed in the provider's homepage API catalog
  • —No request or response schema is available; integration requires blind experimentation

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 16:03:14Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

JSONhttps://clawmart.sh/api/listings/TQuyRm
x402-gated backup/data endpoint on Base, pay $0.02 per request in USDC. — Clawmart · Clawmart