x402check

active

Call BEFORE any x402 payment to a third-party tool. Every check is paid ($0.002/tool). GET checks one URL; POST batches up to 25 (N×unit in one Exact settlement). Response: compact verdict (ok|caution|avoid) + that tool's history only (checks, uptime, payTo/price changes). Use for: is this x402 endpoint safe/legit; verify payTo before signing USDC; detect wallet or price drift; uptime /…

AIBasex402 v2exactx402check.dev ↗︎

Settled via Coinbase.

Transactions · 30d
5
Volume · 30d
$0.018
Unique buyers · 30d
4
Uptime · 30d
100.0%
Latency p50
165ms
Reported calls · 30d
3

Endpoints (3 live)

  • GET /preflight — Check before paying any x402 tool: is this API a scam/safe? Trust-check one seller URL (live 402 + history). Use for verify-payTo, uptime, price/wallet drift, budget guard, validate 402, debug failing settle. Returns ok|caution|avoid + that tool's history only. $0.01/URL. No free tier. Endpoint+history — not wallet OFAC/simulation. Optional deeper signal: GET /preflight/deep ($0.05). (0.002 USDC on Base)
  • GET /preflight/deep (0.05 USDC on Base)
  • POST /preflight — Before paying: compare/batch trust-check up to 25 seller URLs (cheapest, most reliable, screen Bazaar hits). Charge $0.002 × len(urls) in one Exact settlement. Returns each tool's verdict + history. (0.004 USDC on Base)

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