x402basequality 0.30

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

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/backups/16

What it does

This endpoint at lowpaymentfee.com provides "Premium API Access" via the x402 payment protocol. The specific resource `/api/v1/backups/16` is one of many endpoints offered by the provider, which hosts a broad catalog spanning data & analytics, AI & machine learning, finance & Web3, and infrastructure utilities — all gated behind x402 micropayments settled in USDC on the Base network.

The x402 challenge confirms the endpoint is live and accepts POST requests. The maximum amount required per call is 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is made via the `exact` scheme to the specified payTo address, with a 300-second timeout window. No API keys or rate limits are advertised; access is purely pay-per-request.

The specific functionality behind `/api/v1/backups/16` is not documented beyond the label "Premium API Access." The provider's landing page lists this endpoint's category implicitly under infrastructure/utility services, but no schema, request parameters, or response format are documented for this particular route. The docs, pricing, and API pages all render only a "Connect wallet" prompt with no further technical detail. Prospective callers should be aware that the actual payload and response structure are unknown — treat this as a stub listing until the provider publishes documentation.

Capabilities

x402-paymentusdc-basepay-per-requestmicropaymentbackup-apipost-endpoint

Use cases

  • —Accessing backup data via a single paid API call without needing an API key
  • —Programmatic pay-per-request data retrieval settled in USDC on Base
  • —Agent-driven workflows that need on-demand backup or data export endpoints

Fit

Best for

  • —Developers who want keyless, pay-per-call API access
  • —AI agents with USDC on Base looking for low-cost utility endpoints
  • —Prototyping x402 payment flows against a live endpoint

Not for

  • —Users who need detailed API documentation or guaranteed SLAs before integrating
  • —High-volume batch operations where per-request pricing may add up
  • —Anyone without a Base-compatible USDC wallet

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/backups/16 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/backups/16
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is confirmed live via a valid 402 challenge, and pricing is clear ($0.02 USDC on Base). However, there is no documentation of request parameters, response schema, or what 'backups/16' actually returns. The docs/pricing/API pages are all blank beyond a wallet-connect prompt. This is effectively a stub listing.

Warnings

  • —No documentation exists for the /api/v1/backups/16 endpoint — request and response schemas are unknown.
  • —All doc pages (docs, pricing, API, README) render only 'Connect wallet' with no technical content.
  • —The purpose of 'backups/16' is unclear; 'Premium API Access' is a generic label applied across the provider's catalog.
  • —No OpenAPI spec, no ai-plugin manifest, and no agents.txt were found.

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-19 15:30:18Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-22

Agent access

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