# Simulation ### Overview Transaction simulation allows you to preview the exact outcomes of your transactions without actually submitting them to the blockchain. This is invaluable for: * **Pre-execution Testing**: Verify transaction success and gas usage before committing * **Smart Contract Debugging**: Identify potential issues in contract interactions * **State Change Analysis**: Understand how transactions will affect blockchain state * **Gas Optimization**: Fine-tune gas limits and pricing strategies * **Risk Management**: Prevent failed transactions and unexpected behaviors ### Providers #### Tenderly {% embed url="" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.zircuit.com/infra/simulation.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.