3️⃣Build Approval Transaction

Returns the transaction data for the approval of token spend

This API returns the transaction data so you get to decide whether to approve yBridge to spend your tokens.

Get the approve transaction

GET endpoint/approve

Query Parameters

Name	Type	Description
chainId*	String	chain ID
spender*	String	Address of the spender
tokenAddress*	String	Token address
amount	String	Amount of tokens to be approved. If not given, approve max

200: OK Success

{
    "isSuccess": true,
    "msg": "",
    "tokenAddress": "<tokenAddress>",
    "spender": "<spender>",
    "amount": "<amount>",
    "tx": {
        "to": "<tokenAddress>",
        "data": "<data>",
    }
}

NOTE : The spender should be the contractAddress in the response of Get Quote.

​IMPORTANT : Note that the amount parameter should be padded with zeroes. For example, pass 100000000 instead of 100 if the decimal digits of the token are 6.