Aave V3

Supported Chains

Available on Ethereum Mainnet and Testnet, Arbitrum, Avalanche, Base, and Polygon.

Available Endpoints:

Click on the endpoint to jump to the section with full details

• /getpoolGET - Get the lend and borrow APY for the given pool from AAVE protocol.

• /getpools GET - Get the list of supply and borrow APYs of the mentioned assets.

• /getuseraccountdata GET - Get the repay, borrow, withdraw amount and health factor details for the given user.

• /getuserpositions GET - Retrieves the lending and borrowing positions of a user, including details such as token balances and collateral usage status.

• /borrow POST - Trigger the borrow transaction from the given protocol.

• /deposit POST - Trigger the deposit transaction from the given protocol.

• /repayPOST - Trigger the repay transaction from the given protocol.

• /withdrawPOST - Trigger the withdraw transaction from the given protocol.

• /migratePOST - Trigger the migrate transaction from the given protocol.

• /setuseremodePOST - Trigger the E-Mode options for the user.

• /exitisolationmodePOST - Trigger the exit of isolation mode options for the user.

Lending Protocol IDs

Many endpoints have a parameter where you can provide a lendborrow ID.

Below is a list of lendborrow IDs related to Aave V3. Please see the lendborrowID for a complete Lending Protocol ID list and more information.

Lending Protocol Name	Chain	Lending Protocol ID
Aave V3	Ethereum	1200
Aave V3	Ethereum Testnet Sepolia	1202
Aave V3	Avalanche	1203
Aave V3	Arbitrum	1204
Aave V3	Polygon	1205
Aave V3	Base	1206
Aave V3	Optimism	1207

Endpoint Details

/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.
useCustomVaults	Boolean	If true, the request will be processed using the partner's dedicated vaults. If false or omitted, it uses the standard public pools.

Sample Request

https://api.expand.network/lendborrow/getpool?lendborrowId=1200&asset=0x6b175474e89094c44da98b954eedeac495271d0f

Sample Response

/getpools

Returns a list of supply and borrow APYs for assets supported by the Aave V3 protocol.

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

Query Parameters

Name	Type	Description
lendborrowId*	String	Identify the protocol by providing a Lending Protocol ID. For example, Aave V3 on Ethereum is 1200.
assets	String	Provide a comma-separated list of token addresses to filter specific assets. If left blank, data for all assets supported by the protocol will be returned.
address	String	The public address of the sender.
rpc	String	Remote procedural call URL.
useCustomVaults	Boolean	If true, the request will be processed using the partner's dedicated vaults. If false or omitted, it uses the standard public pools.

Sample Request

https://api.expand.network/lendborrow/getpools?lendborrowId=1200

Sample Response

/getuseraccountdata

Get the repay, borrow, withdraw amount and health factor details for a 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.
useCustomVaults	Boolean	If true, the request will be processed using the partner's dedicated vaults. If false or omitted, it uses the standard public pools.

Sample Request

https://api.expand.network/lendborrow/getuseraccountdata?interestRateMode=1&address=0x6fCe63859a859a0f30eD09B12F5010d790618ca4&asset=0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48&lendborrowId=1200

Sample Response

/getuserpositions

Retrieves the lending and borrowing positions of a user, including details such as token balances and collateral usage status.

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

Query Parameters

Name	Type	Descriptions
rpc	String	Remote procedural call URL.
address*	String	Public address of sender.
lendBorrowId*	String	Refer to the lend borrow Id page for details.
useCustomVaults	Boolean	If true, the request will be processed using the partner's dedicated vaults. If false or omitted, it uses the standard public pools.
assets	String	Comma-separated list of token addresses to filter specific assets. If omitted, data for all supported assets will be returned.

Sample Request

https://api.expand.network/lendborrow/getuserpositions?address=0x6fCe63859a859a0f30eD09B12F5010d790618ca4&lendborrowId=1200

Sample Response

/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.
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": "1200",
    "asset": "0x65afadd39029741b3b8f0756952c74678c9cec93",
    "amount": "100",
    "from": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "onBehalfOf": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "interestRateMode": "2",
    "gas": "408298"
}

Sample Response

Sample Request

With gasPriority (low):

{
    "lendborrowId": "1200",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "1000000000",
    "from": "0x4C99D660A51D41bE5D47D66a3d89d5B83D92f27E",
    "onBehalfOf": "0x4C99D660A51D41bE5D47D66a3d89d5B83D92f27E",
    "interestRateMode": "2",
    "gas": "408298",
    "gasPriority":"low"
}

Sample Response

/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.
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.
useCustomVaults	Boolean	If true, the request will be processed using the partner's dedicated vaults. If false or omitted, it uses the standard public pools.

Sample Request

{
    "lendborrowId": "1200",
    "asset": "0x65afadd39029741b3b8f0756952c74678c9cec93",
    "amount": "10000000000000000",
    "from": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "onBehalfOf": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "gas": "408298"
}

Sample Response

Sample Request

With gasPriority (medium):

{
    "lendborrowId": "1200",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "10000000000",
    "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "onBehalfOf": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "gas": "408298",
    "gasPriority":"low"
}

Sample Response

/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.
rpc	String	Remote procedural call URL.
amount*	String	Amount to repay.
gasPriority	String	low, medium, or high.

Sample Request

{
    "lendborrowId": "1200",
    "asset": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
    "amount": "100000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "onBehalfOf": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "interestRateMode": "1",
    "gas": "408298"
}

Sample Response

Sample Request

With gasPriority (low):

{
    "lendborrowId": "1200",
    "asset": "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    "amount": "1000000000",
    "from": "0x4C99D660A51D41bE5D47D66a3d89d5B83D92f27E",
    "onBehalfOf": "0x4C99D660A51D41bE5D47D66a3d89d5B83D92f27E",
    "interestRateMode": "2",
    "gas": "408298",
    "gasPriority":"low"
}

Sample Response

/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.
useCustomVaults	Boolean	If true, the request will be processed using the partner's dedicated vaults. If false or omitted, it uses the standard public pools.

Sample Request

{
    "lendborrowId": "1200",
    "asset": "0x65afadd39029741b3b8f0756952c74678c9cec93",
    "amount": "10000000000000000",
    "from": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "to": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "gas": "408298"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1200",
    "asset": "0x65afadd39029741b3b8f0756952c74678c9cec93",
    "amount": "10000000000000000",
    "from": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "to": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "gas": "408298",
    "gasPriority": "high"
}

Sample Response

/migrate

Trigger the migrate transaction from the given protocol.

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

Request Body

Name	Type	Description
lendborrowId*	String	Refer to the Lend and Borrow ID page for details.
assets	String	Token addresses to migrate.
from*	String	Sender public address.
gas	String	Maximum gas to be approved for the transaction.
rpc	String	Remote procedural call URL.

Sample Request

{
    "lendborrowId": "1200",
    "assets": [
        "0x6b175474e89094c44da98b954eedeac495271d0f"
    ],
    "from": "0x356dB816602c85e2075774bB77D13995c8Bab023",
    "gas": "329000"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1200",
    "assets": [
        "0x6b175474e89094c44da98b954eedeac495271d0f"
    ],
    "from": "0x356dB816602c85e2075774bB77D13995c8Bab023",
    "gas": "329000",
    "gasPriority": "medium"
}

Sample Response

/setuseremode

Trigger the E-Mode options for the user.

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

Request Body

Name	Type	Description
lendborrowId*	String	Refer to the Lend and Borrow ID page for details.
categoryId*	String	0 for default. 1 for stablecoins.
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": "1200",
    "from": "0x829bFB482331b9Dc2BEcb5483ecA79c0578c3A45",
    "categoryId": "1",
    "gas": "408298"
}

Sample Response

Sample Request

With gasPriority (low):

{
    "lendborrowId": "1200",
    "from": "0xfAE7D9854995E28BEB1B1da864ee2A1E2EC17f07",
    "categoryId": "1",
    "gas": "408298",
    "gasPriority":"low"
}

Sample Response

/exitisolationmode

Trigger the exit of isolation mode options for the user.

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

Request Body

Name	Type	Description
lendborrowId*	String	Refer to the Lend and Borrow ID page for details.
asset*	String	Token address to exit isolation mode.
from*	String	Sender public address.
gas	String	Maximum gas to be approved for the transaction.
rpc	String	Remote procedural call URL.

Sample Request

{
    "lendborrowId": "1200",
    "asset": "0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2",
    "from": "0xf7426829DBAAc7F26b48C49A04a93fc4f75cfa41",
    "gas": "429000"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1200",
    "asset": "0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2",
    "from": "0xf7426829DBAAc7F26b48C49A04a93fc4f75cfa41",
    "gas": "429000",
    "gasPriority": "high"
}

Sample Response