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note

simulateTransaction can also invoke read-only functions for free.

Using the Lab

The simulateTransaction method allows you to simulate a smart contract invocation without actually submitting it to the network. It’s a powerful tool for testing and debugging transactions safely.

This endpoint returns the calculated transaction data, required authorizations, and the minimal resource fee, helping you understand how the network would process the transaction before you send it.

👉 Simulate a Transaction on the Lab