Compound V3

/getassetinfo

Get the details of a specified asset like liquidation and borrow collateral factor, index and the price feed address.

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

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's address to get the details of.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

https://api.expand.network/lendborrow/getassetinfo?lendborrowId=1300&asset=0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984

Sample Response

/getpool

Get the lend and borrow APY for the given pool from the given 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.
market	String	USDC, WETH standard choice. by default it is USDC.
asset	String	The asset value equals the market value, with USDC as default if market value is not provided; users can pass 'asset' as both key and value.

Sample Request

https://api.expand.network/lendborrow/getpool?address=0x6Fb447Ae94F5180254D436A693907a1f57696900&lendborrowId=1300&asset=asset

Sample Response

/getuseraccountdata

Get the repay, borrow, withdraw amount and health factor 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 and Borrow ID page for details.
address*	String	Public address of sender.
market	String	USDC, WETH standard choice. by default it is USDC.
asset	String	The asset value equals the market value, with USDC as default if market value is not provided; users can pass 'asset' as both key and value.

Sample Request

https://api.expand.network/lendborrow/getuseraccountdata?address=0x6Fb447Ae94F5180254D436A693907a1f57696900&market=WETH&lendborrowId=1300&asset=WETH

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	Description
rpc	String	Remote procedural call URL.
address*	String	Public address of sender.
lendborrowId*	String	Refer to the Lend and Borrow ID page for details.

Sample Request

https://api.expand.network/lendborrow/getuserpositions?address=0x5Fb0A30278C1b6Ee4681A48F2A23bd84c2762835&lendborrowId=1300

Sample Response

/getclaimedrewards

Get the rewards claimed by the specified account on the protocol.

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

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
address*	String	Public address of sender.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

https://api.expand.network/lendborrow/getclaimedrewards?lendborrowId=1300&address=0xEa70DBf1F353C53254Cf7d76B0791c03E258f629

Sample Response

/getmaxamounts

Get the max withdrawable amount and the max borrowable amount of the base token for a given asset in the protocol for the specified account.

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

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
address*	String	Public address of sender.
asset*	String	Token's address to get the details of.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

https://api.expand.network/lendborrow/getmaxamounts?address=0xEa70DBf1F353C53254Cf7d76B0791c03E258f629&lendborrowId=1300&asset=0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599&market=USDC

Sample Response

/getgovernordata

Get the protocol and governor-related data for a market.

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

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

https://api.expand.network/lendborrow/getgovernordata?lendborrowId=1300&market=WETH

Sample Response

/allow

Trigger a transaction to allow or disallow the specified address to withdraw or transfer on behalf of the sender’s address.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
manager*	String	The address of the account that can have manager permissions over another.
isAllowed*	Boolean	"true" to add the manager and "false" to remove the manager. By default, true
from*	String	Public address of sender
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

{
    "lendborrowId": "1300",
    "isAllowed": "true",
    "manager": "0xc3d688B66703497DAA19211EEdff47f25384cdc3",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "isAllowed": "true",
    "manager": "0xc3d688B66703497DAA19211EEdff47f25384cdc3",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "gasPriority": "high"
}

Sampe Response

/borrow

Trigger a transaction to borrow the base token from the specified market.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
amount*	String	Number of tokens to be borrowed.
from*	String	Public address of sender.
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "gasPriority": "high"
}

Sample Response

/claimrewards

Trigger a transaction to allow an account to claim rewards from the protocol.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
from*	String	Public address of sender
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

{
    "lendborrowId": "1300",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "5300000"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "5300000",
    "gasPriority": "low"
}

Sample Response

/deposit

Trigger a transaction to deposit an asset to the protocol and update it to the account’s balance.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
from*	String	Public address of sender.
asset*	String	Token's address to get the details of.
amount*	String	Number of tokens to be borrowed.
to	String	Public address of receiver.
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "asset": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "gasPriority": "high",
    "asset": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
}

Sample Response

/repay

Trigger a transaction to repay the borrowed amount of the base asset to the protocol.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
from*	String	Public address of sender.
amount*	String	Number of tokens to be repayed.
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "market": "USDC"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "gasPriority": "high",
    "market": "USDC"
}

Sample Response

/transfer

Trigger a transaction to transfer an asset, within the protocol, to another account.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
from*	String	Public address of sender.
asset*	String	Address of token to be transferred.
to*	String	Public address of receiver.
amount*	String	Number of tokens to be repayed.
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "to": "0x6Fb447Ae94F5180254D436A693907a1f57696900"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "gasPriority": "high",
    "to": "0x6Fb447Ae94F5180254D436A693907a1f57696900"
}

Sample Response

/withdraw

Trigger the withdrawal transaction from the given protocol.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
from*	String	Public address of sender.
asset*	String	Address of token to be transferred.
to	String	Public address of receiver.
amount*	String	Number of tokens to withdraw.
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Sample Request

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "asset": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "amount": "1000000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gas": "50000",
    "gasPriority": "high",
    "asset": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
}

Sample Response

/bundleactions

Trigger a transaction, to pass an array of action codes and calldatas that are executed, one by one, in a single transaction.

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

Body Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
lendBorrowId*	String	Refer to the Lend and Borrow ID page for details.
actions*	Array	An array of strings that correspond to the actions. Refer here for details.
data*	Array	An array of calldatas for each action to be called in the invoke transaction. Refer here for details.
from*	String	Public address of sender.
gas	String	Maximum gas to be approved for the transaction.
gasPriority	String	low, medium or high.
market	String	USDC, WETH standard choice. by default it is USDC.

Details for Actions and related data.

Actions

"ACTION_SUPPLY_ASSET"; // The action for supplying an asset to Comet
"ACTION_SUPPLY_NATIVE_TOKEN"; // The action for supplying a native asset (e.g. ETH on Ethereum mainnet) to Comet
"ACTION_TRANSFER_ASSET"; // The action for transferring an asset within Comet
"ACTION_WITHDRAW_ASSET"; // The action for withdrawing an asset from Comet
"ACTION_WITHDRAW_NATIVE_TOKEN"; // The action for withdrawing a native asset from Comet
"ACTION_CLAIM_REWARD"; // The action for claiming rewards from the Comet rewards contract
"ACTION_SUPPLY_STETH"; // The action for supplying STETH to Comet
"ACTION_WITHDRAW_STETH"; // The action for withdrawing STETH from Comet

Data

• Supply Asset, Withdraw Asset, Transfer Asset

  • comet: The address of the Comet instance to interact with.

  • to: The destination address, within or external to the protocol.

  • asset: The address of the ERC-20 asset contract.

  • amount: The amount of the asset as an unsigned integer scaled up by 10 to the “decimals” integer in the asset’s contract.

• Supply Native, Withdraw Native (native chain token like ETH on Ethereum Mainnet), Supply STETH, Withdraw STETH

  • comet: The address of the Comet instance to interact with.

  • to: The destination address, within or external to the protocol.

  • amount: The amount of the native token as an unsigned integer scaled up by 10 to the number of decimals of precision of the native EVM token.

• Claim Reward

  • comet: The address of the Comet instance to interact with.

  • src: The account in which to claim rewards.

  • to: The account in which to transfer the claimed rewards.

  • shouldAccure: If true, the protocol will account for the rewards owed to the account as of the current block before transferring. Otherwise, false.

Sample Request

{
    "lendborrowId": "1300",
    "market": "USDC",
    "actions": [
        "ACTION_SUPPLY_NATIVE_TOKEN",
        "ACTION_SUPPLY_NATIVE_TOKEN"
    ],
    "data": [
        [
            "0xc3d688B66703497DAA19211EEdff47f25384cdc3",
            "0x6Fb447Ae94F5180254D436A693907a1f57696900",
            "00000100000000"
        ],
        [
            "0xc3d688B66703497DAA19211EEdff47f25384cdc3",
            "0x6Fb447Ae94F5180254D436A693907a1f57696900",
            "23000000"
        ]
    ],
    "gas": "500000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900"
}

Sample Response

Sample Request

With gasPriority:

{
    "lendborrowId": "1300",
    "market": "USDC",
    "actions": [
        "ACTION_SUPPLY_NATIVE_TOKEN",
        "ACTION_SUPPLY_NATIVE_TOKEN"
    ],
    "data": [
        [
            "0xc3d688B66703497DAA19211EEdff47f25384cdc3",
            "0x6Fb447Ae94F5180254D436A693907a1f57696900",
            "00000100000000"
        ],
        [
            "0xc3d688B66703497DAA19211EEdff47f25384cdc3",
            "0x6Fb447Ae94F5180254D436A693907a1f57696900",
            "23000000"
        ]
    ],
    "gas": "500000",
    "gasPriority": "medium",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900"
}

Sample Response