Overview
Simulate an EVM transaction before signing. Decodes the calldata into a named function with arguments and security risk flags, AND runs a keyless static eth_call preview to tell you whether the transaction would succeed or revert (with the decoded revert reason). Use it to catch a failing or malicious transaction before you broadcast it. Read-only, no keys, no node infra. Asset-level change tracing is v2.
Health
x402 Payment Validation
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-26 20:23:04 | healthy | 402 | 1470ms | |
| 2026-10-25 19:21:01 | healthy | 402 | 702ms | |
| 2026-10-25 09:12:49 | healthy | 402 | 163ms | |
| 2026-10-24 23:12:11 | healthy | 402 | 131ms | |
| 2026-10-24 13:39:19 | healthy | 402 | 161ms |