| Name | Type | Description | Notes |
|---|---|---|---|
| request_id | String | The request ID that is used to track a transaction request. The request ID is provided by you and must be unique within your organization. | |
| request_type | EstimateFeeRequestType | ||
| chain_id | String | The chain ID, which is the unique identifier of a blockchain. You can retrieve the IDs of all the chains you can use by calling List enabled chains. | |
| source | ContractCallSource | ||
| destination | ContractCallDestination | ||
| fee_type | FeeType | [optional] |