Aave V2

/getpool

Get the lend and borrow APY for the given pool from AAVE protocol.

GET https://api.expand.network/lendborrow/getpool

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendborrowId*	String	Refer to the Lend and Borrow ID page for details.
asset*	String	Token address to get the details of.

Sample Request

https://api.expand.network/lendborrow/getpool?lendborrowId=1000&asset=0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "tokenAddress": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "variableBorrowRate": "3.26",
        "stableBorrowRate": "5.27",
        "variableSupplyRate": "0",
        "stableSupplyRate": "1.26"
    }
}

/getpools

Get the list of supply and borrow APYs of the mentioned assets.

GET https://api.expand.network/lendborrow/getpools

Query Parameters

Name	Type	Description
lendborrowId	String	Refer to the lend borrow Id page for details.
assets*	String	Comma-separated values of token address.

Sample Request

https://api.expand.network/lendborrow/getpools?lendborrowId=1000&assets=0x6b175474e89094c44da98b954eedeac495271d0f,0xdac17f958d2ee523a2206206994597c13d831ec7,0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2,0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "USDT": {
            "tokenAddress": "0xdac17f958d2ee523a2206206994597c13d831ec7",
            "variableBorrowRate": "3.70",
            "stableBorrowRate": "11.85",
            "variableSupplyRate": "0",
            "stableSupplyRate": "3.00",
            "symbol": "USDT"
        },
        "DAI": {
            "tokenAddress": "0x6b175474e89094c44da98b954eedeac495271d0f",
            "variableBorrowRate": "3.01",
            "stableBorrowRate": "11.51",
            "variableSupplyRate": "0",
            "stableSupplyRate": "1.66",
            "symbol": "DAI"
        },
        "WETH": {
            "tokenAddress": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
            "variableBorrowRate": "3.27",
            "stableBorrowRate": "5.27",
            "variableSupplyRate": "0",
            "stableSupplyRate": "1.26",
            "symbol": "WETH"
        },
        "USDC": {
            "tokenAddress": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
            "variableBorrowRate": "2.96",
            "stableBorrowRate": "10.48",
            "variableSupplyRate": "0",
            "stableSupplyRate": "1.83",
            "symbol": "USDC"
        }
    }
}

/getuseraccountdata

Get the repay, borrow, and withdraw amount details for the given user.

GET https://api.expand.network/lendborrow/getuseraccountdata

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendborrowId	String	Refer to the lend borrow Id page for details.
asset*	String	Token address.
address*	String	Public address of sender.
interestRateMode*	String	Interest mode as per Aave. Is set '1' as default.

Sample Request

https://api.expand.network/lendborrow/getuseraccountdata?address=0x6Fb447Ae94F5180254D436A693907a1f57696900&asset=0x514910771af9ca656af840dff83e8264ecf986ca&lendborrowId=1000&interestRateMode=1

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "tokenAddress": "0x514910771af9ca656af840dff83e8264ecf986ca",
        "repayAmount": "0",
        "borrowAmount": "201991256034911571",
        "withdrawAmount": "0"
    }
}

/borrow

Trigger the borrow transaction from the given protocol.

POST https://api.expand.network/lendborrow/borrow

Request Body

Name	Type	Description
lendborrowId	String	Refer to the Lend and Borrow ID page for details.
asset*	String	Token address to borrow.
amount*	String	Number of tokens to be borrowed.
interestRateMode*	String	Interest mode as per Aave. 0 for static and 1 for variable.
referralCode*	String	Referral code needed by Aave.
onBehalfOf*	String	Required in case borrow need to be done on behalf of other public address.
from*	String	Sender public address.
gas*	String	Maximum gas to be approved for transaction.
rpc	String	Remote procedural call URL.
gasPriority	String	low, medium, or high.

Sample Request

{
    "lendborrowId": "1000",
    "asset": "0xC011a73ee8576Fb46F5E1c5751cA3B9Fe0af2a6F",
    "amount": "100",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "onBehalfOf": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "interestRateMode": "2",
    "gas": "408298"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId":"1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0x4bd5643ac6f66a5237E18bfA7d47cF22f1c9F210",
        "value": "0",
        "gas": "408298",
        "data": "0xa415bcad000000000000000000000000fc1ab0379db4b6ad8bf5bc1382e108a341e2eabb00000000000000000000000000000000000000000000000000000000000000640000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000063056e00436da25bcf48a40dfbbdcc7089351006"
    }
}

Sample Request

With gasPriority(medium):

{
    "lendborrowId": "1000",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "100000000",
    "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "onBehalfOf": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "interestRateMode": "2",
    "gas": "408298",
    "gasPriority":"medium"
}

Sample Response

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId":"1",
        "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
        "to": "0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9",
        "value": "0",
        "gas": "397254",
        "data": "0xa415bcad0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f0000000000000000000000000000000000000000000000000000000005f5e10000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000fae7d9854995e28beb1b1da864ee2a1e2ec17f07"
    }
}

/deposit

Trigger the deposit transaction from the given protocol.

POST https://api.expand.network/lendborrow/deposit

Request Body

Name	Type	Description
lendborrowId	String	Refer to the Lend and Borrow ID page for details.
asset*	String	Token address to deposit.
amount*	String	Number of tokens to deposit.
referralCode*	String	Referral code needed by Aave.
onBehalfOf*	String	Required in case deposit need to be done on behalf of other public address.
from*	String	Sender public address.
gas*	String	Maximum gas to be approved for the transaction.
rpc	String	Remote procedural call URL.
involveBaseToken	String	0 for any ERC-20 token, 1 for ETH.
gasPriority	String	low, medium, or high.

Sample Request

{
    "lendborrowId": "1000",
    "asset": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "10000000000000000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "onBehalfOf": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "gas": "408298"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId":"1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0x4bd5643ac6f66a5237E18bfA7d47cF22f1c9F210",
        "value": "0",
        "gas": "408298",
        "data": "0xe8eda9df000000000000000000000000b4fbf271143f4fbf7b91a5ded31805e42b2208d6000000000000000000000000000000000000000000000000002386f26fc1000000000000000000000000000063056e00436da25bcf48a40dfbbdcc70893510060000000000000000000000000000000000000000000000000000000000000000"
    }
}

Sample Request

With gasPriority (low):

{
    "lendborrowId": "1000",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "10000000000000",
    "from": "0x356db816602c85e2075774bb77d13995c8bab023",
    "onBehalfOf": "0x356db816602c85e2075774bb77d13995c8bab023",
    "gas": "520000",
    "gasPriority": "low"
}

Sample Response

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x356db816602c85e2075774bb77d13995c8bab023",
        "to": "0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9",
        "value": "0",
        "gas": "217582",
        "data": "0xe8eda9df0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f000000000000000000000000000000000000000000000000000009184e72a000000000000000000000000000356db816602c85e2075774bb77d13995c8bab0230000000000000000000000000000000000000000000000000000000000000000"
    }
}

/liquidate

Trigger the liquidate transaction from the given protocol.

POST https://api.expand.network/lendborrow/liquidate

Request Body

Name	Type	Description
lendborrowId	String	Refer to the Lend and Borrow ID page for details.
collateralAsset*	String	Address of the collateral token.
debtAsset*	String	Address of the debt token.
user*	String	Public address of the user whose account need to be liquidated.
debtToCover*	String	Amount of debt to be covered.
receiveAToken*	String	Amount of token A to be received.
from*	String	Sender public address.
gas*	String	Maximum gas to be approved for the transaction.
rpc	String	Remote procedural call URL.

/repay

Trigger the repay transaction from the given protocol.

POST https://api.expand.network/lendborrow/repay

Request Body

Name	Type	Description
lendborrowId	String	Refer to the Lend and Borrow ID page for details.
asset*	String	Token address to repay.
interestRateMode*	String	Interest mode as per Aave. 0 for static and 1 for variable.
onBehalfOf*	String	Required in case repay need to be done on behalf of other public address.
from*	String	Sender public address.
gas*	String	Maximum gas to be approved for the transaction.
amount*	String	Number of tokens to repay.
rpc	String	Remote procedural call URL.
gasPriority	String	low, medium, or high.

Sample Request

{
    "lendborrowId": "1000",
    "asset": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
    "amount": "100000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "onBehalfOf": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "interestRateMode": "2",
    "gas": "408298"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId":"1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0x4bd5643ac6f66a5237E18bfA7d47cF22f1c9F210",
        "value": "0",
        "gas": "408298",
        "data": "0x573ade81000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec700000000000000000000000000000000000000000000000000000000000186a0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000063056e00436da25bcf48a40dfbbdcc7089351006"
    }
}

Sample Request

With gasPriority (medium):

{
    "lendborrowId": "1000",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "10000000000",
    "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "onBehalfOf": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "interestRateMode": "2",
    "gas": "408298",
    "gasPriority":"medium"
}

Sample Response

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId":"1",
        "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
        "to": "0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9",
        "value": "0",
        "gas": "288354",
        "data": "0x573ade810000000000000000000000006b175474e89094c44da98b954eedeac495271d0f00000000000000000000000000000000000000000000000000000002540be4000000000000000000000000000000000000000000000000000000000000000002000000000000000000000000fae7d9854995e28beb1b1da864ee2a1e2ec17f07"
    }
}

/withdraw

Trigger the withdraw transaction from the given protocol.

POST https://api.expand.network/lendborrow/withdraw

Request Body

Name	Type	Description
lendborrowId	String	Refer to the Lend and Borrow ID page for details.
asset*	String	Token address to be withdraw.
amount*	String	Number of tokens to withdraw.
to*	String	Recipient public address.
from*	String	Sender public address.
gas*	String	Maximum gas to be approved for the transaction.
rpc	String	Remote procedural call URL.
gasPriority	String	low, medium, or high.

Sample Request

{
    "lendborrowId": "1000",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "1000000000000000000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "to": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "gas": "408298"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId":"1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0x4bd5643ac6f66a5237E18bfA7d47cF22f1c9F210",
        "value": "0",
        "gas": "408298",
        "data": "0x69328dec0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f0000000000000000000000000000000000000000000000000de0b6b3a764000000000000000000000000000063056e00436da25bcf48a40dfbbdcc7089351006"
    }
}

Sample Request

With gasPriority (low):

{
    "lendborrowId": "1000",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "100000000000",
    "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "to": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "gas": "408298",
    "gasPriority":"low"
}

Sample Response

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId":"1",
        "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
        "to": "0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9",
        "value": "0",
        "gas": "332250",
        "data": "0x69328dec0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f000000000000000000000000000000000000000000000000000000174876e800000000000000000000000000fae7d9854995e28beb1b1da864ee2a1e2ec17f07"
    }
}