Api Endpoint

EVM Tx Toolkit

Six premium x402 endpoints across 5 EVM chains: canonical /v1 routes plus OATP-style /tools/tx_explainer, /tools/tx_simulator, /tools/token_risk_scan aliases for transaction explainer, transaction simulation, pre-signing safety, rug risk, token risk scan, approval risk, balance changes, and 0-100 risk score discovery.

Open interactive test console

Offering

Provider: evm-tx-toolkit.mtree.workers.dev
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Blockchain And Crypto
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://evm-tx-toolkit.mtree.workers.dev/v1/tx/simulate
MIME type: Not provided
First seen: 2026-10-16T02:52:34.600Z
Last seen: 2026-10-16T02:52:34.600Z
Tags: a2a, X402

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.2 USDC
Atomic price: 200000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "200000",
    "payTo": "0x1664530DC2A1CA350B1dbaD1Fc1F1a70c90fe4de"
  }
]

Observed health

Status: Healthy
Latest latency: 277 ms
Average latency: 1481 ms
HTTP status: 204
Last checked: 2026-11-04T19:50:26.954Z
Reachability: 85.7% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{}

Output schema

null