Authorizations
The API key. For more details, refer to API key.
In the API playground, enter your API secret, and your API key will be accordingly calculated.
Path Parameters
The wallet ID.
Query Parameters
The token ID, which is the unique identifier of a token. You can retrieve the IDs of all the tokens you can use by calling List enabled tokens.
The fee rate in sats/vByte or gas price in wei.
The recipient's address.
The sender's address. For EVM addresses in MPC Wallets, this parameter is required.
Response
The request was successful.
The maximum transferable value from the wallet or the specified address, along with the estimated transaction fee.
The token ID, which is the unique identifier of a token. You can retrieve the IDs of all the tokens you can use by calling List enabled tokens.
"ETH"
The maximum transferable value from the wallet or the specified address.
"3.0"
The preset properties to limit transaction fee.
In the fixed fee model, the transaction fee is a fixed amount within a certain amount of period regardless of the transaction size or network congestion, which can vary between different chains. For more information about the fixed fee model, refer to Fee models.
You can specify the maximum fee amount to limit the transaction fee. The transaction will fail if the transaction fee exceeds the specified maximum fee amount.
Switch between the tabs to display the properties for different transaction fee models.
- Fixed
- EVM_EIP_1559
- EVM_Legacy
- UTXO
- SOL
- FIL