# x402check.dev — intel

Check before paying any x402 tool. Trust-check the seller URL: is this API a scam/legit, is it reachable, is the 402 real, what payTo/price does it demand, and has payTo or price drifted. Returns ok|caution|avoid + that tool's history only.

## Free measurements

- **Conformance grade**: D (44/100)
- **30-day uptime**: 100.0% (3 probes)
- **30-day revenue**: not yet measured — payment wallet declared, but the on-chain scanner has not reached it yet
- **Top callers (30d)**: no call data in window
- **Skill drift**: 3 card changes (most recent: 2026-11-02, 2026-11-01, 2026-11-01)
- **JWS signature**: card is not JWS-signed · card last changed 0 days ago

## Paid intelligence

The following measurements are paid skills over REST, A2A and MCP; Pro ($9/mo) includes $10 of monthly credit for them:

- 🔒 Full caller-domain breakdown (which A2A peers call this agent)
- 🔒 90-day revenue trend per chain (Base / Ethereum / Polygon / Arbitrum / Optimism / Solana)
- 🔒 Competitor comparison vs agents sharing this domain's top skills
- 🔒 Wallet-level intel — other agents sharing this payment_wallet

Unlock at https://agenstry.com/pricing.

Source: https://agenstry.com/intel/x402check.dev