Curve V2

Below is the list of tokens we currently support for these endpoints. We are happy to add support for additional tokens upon request.

Supported Mainnet Token Pairs

  1. steth - ETH/stETH 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee, 0xae7ab96520de3a18e5e111b5eaab095312d7fe84

  2. threepool - DAI/USDC/USDT 0x6b175474e89094c44da98b954eedeac495271d0f, 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48, 0xdac17f958d2ee523a2206206994597c13d831ec7

  3. FRAXsDAI - FRAX/sDAI 0x853d955acef822db058eb8505911ed77f175b99e, 0x83f20f44975d03b1b09e64809b757c47f942beea

  4. FRAXPYUSD - FRAX/PYUSD 0x853d955acef822db058eb8505911ed77f175b99e, 0x6c3ea9036406852006290770bedfcaba0e23a0e8

  5. frxETHWETH - WETH/frxETH 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2, 0x5e8422345238f34275888049021821e8e08caa1f

  6. stETHng - ETH/stETH 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee, 0xae7ab96520de3a18e5e111b5eaab095312d7fe84

  7. fraxusdc - FRAX/USDC 0x853d955acef822db058eb8505911ed77f175b99e, 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48

  8. tricrypto2 - USDT/WBTC/WETH 0xdac17f958d2ee523a2206206994597c13d831ec7, 0x2260fac5e5542a773aa44fbcfedf7c193bc2c599, 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

  9. TriCryptoUSDT - USDT/WBTC/WETH 0xdac17f958d2ee523a2206206994597c13d831ec7, 0x2260fac5e5542a773aa44fbcfedf7c193bc2c599, 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

  10. stETHfrxETH - stETH/frxETH 0xae7ab96520de3a18e5e111b5eaab095312d7fe84, 0x5e8422345238f34275888049021821e8e08caa1f

  11. alUSDFRAXBP - alUSD/FRAX/BASIS 0xbc6da0fe9ad5f3b0d58160288917aa56653660e9, 0x3175df0976dfa876431c2e9ee6bc45b65d3473cc

  12. PayPool - PYUSD/USDC 0x6c3ea9036406852006290770bedfcaba0e23a0e8, 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48

  13. mkUSDUSDC - mkUSD/USDC 0x4591dbff62656e7859afe5e45f6f47d3669fbb28, 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48

  14. TriCryptoUSDC - USDC/WBTC/WETH 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48, 0x2260fac5e5542a773aa44fbcfedf7c193bc2c599, 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

  15. frxeth - ETH/frxETH 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee, 0x5e8422345238f34275888049021821e8e08caa1f

  16. OETH - ETH/OETH 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee, 0x856c4efb76c1d1ae02e20ceb03a2a6a08b0b8dc3

  17. cvxCrvCrv - cvxCrv/Crv 0xd533a949740bb3306d119cc777fa900ba034cd52, 0x62b9c7356a2dc64a1969e19c23e4f579f9810aa7

  18. ETHxwstETH - ETHx/wstETH 0x7f39c581f595b53c5cb19bd0b3f8da6c935e2ca0, 0xa35b1b31ce002fbf2058d22f30f95d405200a15b

  19. cvxFxsFxs - cvxFXS/FXS 0x3432b6a60d23ca0dfca7761b7ab56459d9c964d0, 0xfeef77d3f69374f66429c91d732a244f074bdf74

  20. FRAXFPI - FRAX/FPI 0x853d955acef822db058eb8505911ed77f175b99e, 0x5ca135cb8527d76e932f34b5145575f9d8cbe08e

  21. mim - MIM/DAI/USDC/USDT 0x99d8a9c45b2eca8864373a26d1459e3dff1e17f3, 0x6c3f90f043a72fa612cbac8115ee7e52bde6e490

  22. crvUSDUSDC - USDC/crvUSD 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48, 0xf939e0a03fb07f59a73314e73794be0e57ac1b4e

  23. alETHfrxETH - alETH/frxETH 0x0100546f2cd4c9d97f798ffc9755e47865ff7ee6, 0x5e8422345238f34275888049021821e8e08caa1f

  24. aave - DAI/USDC/USDT 0x028171bca77440897b824ca71d1c56cac55b68a3, 0xbcca60bb61934080951369a648fb03df4f96263c, 0x3ed3b47dd13ec9a98b44e6204a523e766b225811

  25. crvUSDUSDT - USDT/crvUSD 0xdac17f958d2ee523a2206206994597c13d831ec7, 0xf939e0a03fb07f59a73314e73794be0e57ac1b4e

  26. eursusd - EURS/USDC 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 0xdb25f211ab05b1c97d595516f45794528a807ad8

  27. pufETHwstETH - pufETH/wstETH 0xd9a442856c234a39a81a089c06451ebaa4306a72 0x7f39c581f595b53c5cb19bd0b3f8da6c935e2ca0

  28. pxETHWETH - pxETH/WETH 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 0x04c154b66cb340f3ae24111cc767e0184ed00cc6

  29. agEUREUROC - agEUR/EURC 0x1a7e4e63778b4f12a199c062f3efdd288afcbce8 0x1abaea1f7c830bd89acc67ec4af516284b1bc33c

  30. rUSDYUSDC - rUSDY/USDC 0xaf37c1167910ebc994e266949387d2c7c326b879 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48

/getprice

Returns the swap quotation for the given token pair.

GET https://api.expand.network/dex/getprice

Query Parameters

Name
Type
Description

rpc

String

Remote procedural call URL.

dexId*

String

Refer to the DEX ID page for details.

path*

String

Comma separated values of token addresses whose price is to be fetched.

amountIn*

String

Amount of token.

https://api.expand.network/dex/getprice?dexId=1500&path=0x6b175474e89094c44da98b954eedeac495271d0f,0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48&amountIn=10000000000000000000

/getuserliquidity

Returns the balance of a particular token pair of an account.

GET https://api.expand.network/dex/getuserliquidity

Query Parameters

Name
Type
Description

rpc

String

Remote procedural call URL.

tokenA*

String

Address of token.

address*

String

Public address of liquidity provider.

dexId*

String

Refer to DEX ID page for details.

tokenB*

String

Address of token.

tokenC

String

Address of token.

tokenD

String

Address of token.

https://api.expand.network/dex/getuserliquidity?address=0x6fb447ae94f5180254d436a693907a1f57696900&dexId=1500&tokenA=0x6b175474e89094c44da98b954eedeac495271d0f&tokenB=0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48&tokenC=0xdac17f958d2ee523a2206206994597c13d831ec7

/getpoolliquidity

Returns the total liquidity for a specified pool.

GET https://api.expand.network/dex/getpoolliquidity

Query Parameters

Name
Type
Description

rpc

String

Remote procedural call URL.

poolAddress*

String

Pool address whose liquidity is to be fetched.

dexId*

String

Refer to DEX ID page for details.

https://api.expand.network/dex/getpoolliquidity?dexId=1500&poolAddress=0xc5424b857f758e906013f3555dad202e4bdb4567

/gettokenliquidity

Returns the individual token liquidity within the specified liquidity pool.

GET https://api.expand.network/dex/gettokenliquidity

Query Parameters

Name
Type
Description

rpc

String

Remote procedural call URL.

poolAddress*

String

The pool address.

dexId*

String

Refer to DEX ID page for details.

https://api.expand.network/dex/gettokenliquidity?dexId=1500&poolAddress=0xdebf20617708857ebe4f679508e7b7863a8a8eee

/getliquidityholders

Returns the total number of liquidity holders in the specified pool.

GET https://api.expand.network/dex/getliquidityholders

Query Parameters

Name
Type
Description

rpc

String

Remote procedural call URL.

poolAddress*

String

The pool address.

dexId*

String

Refer to DEX ID page for details.

https://api.expand.network/dex/getliquidityholders?dexId=1500&poolAddress=0xed279fdd11ca84beef15af5d39bb4d4bee23f0ca

/getindividualposition

Returns the liquidity position for a specified user address across all the pools for the DEX.

GET https://api.expand.network/dex/getindividualposition

Query Parameters

Name
Type
Description

rpc

String

Remote procedural call URL.

address*

String

The public address of the liquidity holder.

dexId*

String

Refer to DEX ID page for details.

https://api.expand.network/dex/getindividualposition?address=0x9bb98140F36553dB71fe4a570aC0b1401BC61B4F&dexId=1500

/gethistoricalpoolchartdata

Get the data the OHCLV (Open, High, Close, Low, and Volume) within the specified time interval for pool on Curve V2. Available on Ethereum only.

GET https://api.expand.network/dex/gethistoricalpoolchartdata

Query Parameter

Name
Type
Description

dexId*

String

Refer to DEX ID page for details.

interval

String

15 mins(by default), 30 mins, 60 mins, and 90 mins.

limit

String

No of iteration. Start limit is 100 and maximum limit is 500.

poolAddress*

String

Pool address whose transactions is to be fetched. Note: We supported pool mentioned in the list.

rpc

String

Remote procedural call URL.

https://api.expand.network/dex/gethistoricalpoolchartdata?dexId=1500&poolAddress=0xdc24316b9ae028f1497c275eb9192a3ea0f67022&interval=15m&limit=100

/swap

Initiate a swap transaction on a specified DEX.

POST https://api.expand.network/dex/swap

Request Body

Name
Type
Description

dexId*

String

Refer to the DEX ID page for details.

path*

Array

Comma-separated values of token addresses, inside an array, to swap.

amountIn*

String

Amount of token to be swapped.

amountOutmin*

String

Minimum amount accepted as a result of swap.

from*

String

Address of the sender of the token.

gas*

String

Maximum gas limit provided by the sender, for the transaction.

rpc

String

Remote procedural call URL.

gasPriority

String

low, medium, or high.

slippage

String

Percentage of total swap value. By default, 1.

0 <= slippage value <= 100

involveBaseToken

String

If a base token is involved in the swap;

0 for erc20 -> erc20,

1 for base -> erc20 ("from" address should be of equivalent wrapped token), 2 for erc20 -> base ("to" address should be of equivalent wrapped token).

By default, 0 .

{
    "dexId": "1500",
    "path": [
        "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "0xae7ab96520de3a18e5e111b5eaab095312d7fe84"
    ],
    "amountIn": "1000000000000",
    "amountOutMin": "101368",
    "gas": "800000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900"
}

With gasPriority:

{
    "dexId": "1500",
    "path": [
        "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "0xae7ab96520de3a18e5e111b5eaab095312d7fe84"
    ],
    "amountIn": "1000000000000",
    "amountOutMin": "101368",
    "gas": "800000",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "gasPriority": "medium"
}

With Slippage:

{
    "dexId": "1500",
    "amountIn": "1000000",
    "amountOutMin": "949846",
    "path": [
        "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
        "0xdAC17F958D2ee523a2206206994597C13D831ec7"
    ],
    "to": "0x22cf65ae3fa16d6379e72f4b4c2401c1b7c69731",
    "deadline": "1711931771",
    "from": "0x22cf65ae3fa16d6379e72f4b4c2401c1b7c69731",
    "gas": "933376",
    "slippage": "4"
}

/addliquidity

Add liquidity to a specified pool in a specified DEX.

POST https://api.expand.network/dex/addliquidity

Request Body

Name
Type
Description

dexId*

String

Refer to the DEX ID page for details.

path*

Array

Comma separated values of token addresses.

amountIn*

Array

Amount of tokens to add liquidity.

amountOut*

String

Amount of tokens accepted as a result of the transaction.

from*

String

Address of the sender of the token.

gas*

String

Maximum gas limit provided by the sender, for the transaction.

rpc

String

Remote procedural call URL.

slippage

String

Percentage of total value. By default, 1.

0 <= slippage value <= 100

gasPriority

String

low, medium, or high.

{
    "dexId":  "1500",
    "path": [ "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee", "0xae7ab96520de3a18e5e111b5eaab095312d7fe84" ],
    "amountIn":   [ "100000000000000", "10000000000000" ], 
    "amountOut":  "10136848990976",
    "gas":  "800000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006"
}

With gasPriority:

{
    "dexId": "1500",
    "path": [
        "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "0xae7ab96520de3a18e5e111b5eaab095312d7fe84"
    ],
    "amountIn": [
        "100000000000000",
        "10000000000000"
    ],
    "amountOut": "10136848990976",
    "gas": "800000",
    "gasPriority": "high",
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900"
}

With slippage: 

{
    "dexId":  "1500",
    "path": [ "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee", "0xae7ab96520de3a18e5e111b5eaab095312d7fe84" ],
    "amountIn":   [ "100000000000000", "10000000000000" ], 
    "amountOut":  "10136848990976",
    "gas":  "800000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "slippage":"2.0001"
}

/removeliquidity

Remove liquidity from a specified pool for a specified DEX.

POST https://api.expand.network/dex/removeliquidity

Request Body

Name
Type
Description

dexId*

String

Refer to the DEX ID page for details.

path*

Array

Comma separated values of token addresses.

amountIn*

String

Amount of tokens to remove liquidity.

amountOut*

Array

Amount of tokens accepted as a result of the transaction.

from*

String

Address of the sender of the token.

gas*

String

Maximum gas limit provided by the sender, for the transaction.

rpc

String

Remote procedural call URL.

slippage

String

Percentage of total value. By default, 1. 0 <= slippage value <= 10

gasPriority

String

low, medium, or high.

{
    "dexId": "1500",
    "path": [
        "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "0xae7ab96520de3a18e5e111b5eaab095312d7fe84"
    ],
    "amountIn": "1000000",
    "amountOut": [
        "100000000000000",
        "10000000000000"
    ],
    "gas": "800000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006"
}

With gasPriority:

{
    "dexId": "1500",
    "path": [
        "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "0xae7ab96520de3a18e5e111b5eaab095312d7fe84"
    ],
    "amountIn": "1000000",
    "amountOut": [
        "100000000000000",
        "10000000000000"
    ],
    "gas": "800000",
    "gasPriority": "medium",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006"
}

With Slippage:

{
    "dexId": "1500",
    "path": [
        "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "0xae7ab96520de3a18e5e111b5eaab095312d7fe84"
    ],
    "amountIn": "1000000",
    "amountOut": [
        "100000000000000",
        "10000000000000"
    ],
    "gas": "800000",
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "slippage": "10"
}
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