Ethereum transaction simulation API
C2Simulate a Ethereum transaction against current state before it's signed. Preview asset changes, approvals and reverts so wallets and apps can warn users instead of letting a bad transaction land.
Dry-run against live Ethereum state
Submit a transaction for simulation and get back the balance changes, emitted events and revert reason it would produce on Ethereum — no gas spent, nothing broadcast.
Protect users pre-signature
Show 'you will receive / you will send' previews and block obviously malicious calls before the user signs, using the same key as the rest of your integration.
常见问题
Can I preview asset changes before signing on Ethereum?
Yes — simulation returns the net balance and approval changes a transaction would cause.
Does simulation broadcast the transaction?
No — it runs against state without submitting anything to the Ethereum network.
充值、拿密钥、上线。
自助开通。支持加密货币或银行卡。按额度计费——重型原语更贵，简单调用很便宜。
获取 API 密钥