Get gas fee for specific tx's

Request Endpoint:

POST /api/transactions/build

1. Get gas fee for a native token transfer

The following endpoint retrieves the gas fee for a native token transfer.

POST /api/transactions/build

Request Body

Body Param	Type	Description
`type`	String	The type of tx. For a native transfer, this will be `TRANSFER`
`walletId`	String	The `id` of the wallet that will execute the tx
`to`	String	The destination wallet address
`secretType`	String	The blockchain of the tx
`value`	Integer	The amount to transfer in decimal value

{
    "type": "TRANSFER",
    "walletId": "46f3c87b-cbf8-4a41-99f3-e943a6e34087",
    "to": "0xCd14E16BeA4709F5A9Cba9080889e24748B24809",
    "secretType": "MATIC",
    "value": 0.49
}

Response Body

{
    "success": true,
    "result": {
        "walletId": "46f3c87b-cbf8-4a41-99f3-e943a6e34087",
        "type": "MATIC_TRANSACTION",
        "gas": 21000,
        "maxFeePerGas": 85513648045,
        "maxPriorityFeePerGas": 85513648031,
        "value": 490000000000000000,
        "to": "0xCd14E16BeA4709F5A9Cba9080889e24748B24809"
    }
}

2. Get gas fee for an ERC20 token transfer

The following endpoint retrieves the gas fee for an ERC20 token transfer.

POST /api/transactions/build

Request Body

Body Param	Type	Description
`type`	String	The type of tx. For an ERC20 transfer, this will be `TOKEN_TRANSFER`
`walletId`	String	The `id` of the wallet that will execute the tx
`to`	String	The destination wallet address
`tokenAddress`	String	The token's contract address
`secretType`	String	The blockchain of the tx
`value`	Integer	The amount to transfer in decimal value

{
    "type": "TOKEN_TRANSFER",
    "walletId": "46f3c87b-cbf8-4a41-99f3-e943a6e34087",
    "to": "0xCd14E16BeA4709F5A9Cba9080889e24748B24809",
    "tokenAddress": "0x53286df83a02e7398963ff4bbda4688115b3ab41",
    "secretType": "MATIC",
    "value": 3
}

Response Body

{
    "success": true,
    "result": {
        "walletId": "46f3c87b-cbf8-4a41-99f3-e943a6e34087",
        "type": "MATIC_ERC20_TRANSACTION",
        "gas": 62508,
        "maxFeePerGas": 85513648045,
        "maxPriorityFeePerGas": 85513648031,
        "value": 3000000000000000000,
        "to": "0xCd14E16BeA4709F5A9Cba9080889e24748B24809",
        "tokenAddress": "0x53286df83a02e7398963ff4bbda4688115b3ab41"
    }
}

3. Get gas fee for an NFT transfer

The following endpoint retrieves the gas fee for an NFT transfer.

POST /api/transactions/build

Request Body

Body Param	Type	Description
`type`	String	The type of tx. For an ERC20 transfer, this will be `NFT_TRANSFER`
`walletId`	String	The `id` of the wallet that will execute the tx
`to`	String	The destination wallet address
`tokenAddress`	String	The NFT's contract address
`secretType`	String	The blockchain of the tx
`tokenId`	Integer	The `id` of the NFT token you want to transfer

{
    "type": "NFT_TRANSFER",
    "walletId": "46f3c87b-cbf8-4a41-99f3-e943a6e34087",
    "to": "0xCd14E16BeA4709F5A9Cba9080889e24748B24809",
    "tokenAddress": "0xfe70a8d4c3c1c53aea3753d38eec27d7f5137b3a",
    "secretType": "MATIC",
    "tokenId": "100"
}

Response Body

{
    "success": true,
    "result": {
        "walletId": "46f3c87b-cbf8-4a41-99f3-e943a6e34087",
        "type": "MATIC_ERC721_TRANSACTION",
        "gas": 68557,
        "maxFeePerGas": 82948238604,
        "maxPriorityFeePerGas": 82948238590,
        "value": 0,
        "to": "0xCd14E16BeA4709F5A9Cba9080889e24748B24809",
        "tokenAddress": "0xfe70a8d4c3c1c53aea3753d38eec27d7f5137b3a",
        "from": "0xd633e3765364F4a6Cce2dAE0af8e0CB0554e120E",
        "tokenId": "100"
    }
}