> ## Documentation Index
> Fetch the complete documentation index at: https://www.marqeta.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Simulating Transactions Object

> Describes the fields of the Simulating Transactions object.



## Related topics

- [Simulating Transactions Overview](https://www.marqeta.com/docs/core-api/simulating-transactions.md)
- [Simulate authorization](https://www.marqeta.com/docs/core-api/simulating-transactions/simulate-authorization-legacy.md)
- [Simulate financial advice](https://www.marqeta.com/docs/core-api/simulating-transactions/simulate-financial-advice.md)
- [Simulate financial](https://www.marqeta.com/docs/core-api/simulating-transactions/simulate-financial.md)
- [Simulate authorization advice](https://www.marqeta.com/docs/core-api/simulating-transactions/simulate-authorization-advice-legacy.md)