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/2024-04

What it does

This endpoint at lowpaymentfee.com provides access to a resource described as "Premium API Access" at the path `/api/v1/backups/2024-04`. 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/2024-04` path suggests a dated backup or archived dataset for April 2024, though the platform provides no further documentation on what data is returned. The x402 challenge is live and well-formed: it requires an exact payment of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 given USDC's 6 decimals. Payment is sent to address 0x1A2B…85F3 with a 300-second timeout. The endpoint accepts POST requests.

Documentation 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 spec, no request/response schema, and no usage examples. The platform advertises no API keys, no rate limits, and instant access, but the actual payload structure and response format for this specific endpoint remain unknown.

Capabilities

x402-paymentusdc-settlementbase-networkbackup-dataper-request-pricingno-api-keypost-method

Use cases

  • —Retrieving archived or backup data for April 2024 via a single paid request
  • —Programmatic access to stored datasets without API key registration
  • —Agent-driven data retrieval with automatic crypto micropayment

Fit

Best for

  • —Developers who want keyless, pay-per-call access to backup data
  • —AI agents that can settle x402 payments in USDC on Base
  • —Users needing one-off access to archived datasets without subscriptions

Not for

  • —Anyone needing detailed documentation or guaranteed response schemas before purchasing
  • —High-volume batch retrieval where per-request pricing adds up
  • —Users who cannot transact in USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/2024-04 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/backups/2024-04
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The x402 challenge is live and pricing is clear ($0.02 USDC on Base), but there is zero documentation on request parameters, response format, or what the backup data actually contains. No OpenAPI spec, no examples, and all doc pages are empty beyond a wallet connect prompt. This is effectively a stub listing.

Warnings

  • —No documentation available — docs, pricing, API, and README pages all show only 'Connect wallet'
  • —No OpenAPI or schema describing request body or response format
  • —The specific content returned by /api/v1/backups/2024-04 is completely undocumented
  • —Cannot verify what data the endpoint actually serves without making a paid request

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:19:28Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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