GMX Exclusive API

This API is exclusively to leverage GMX V1 and V2 pools on Arbitrum. To ensure users get the best trading rates, v1 and v2 pools are compared and the API swaps with the most favorable option.

Price Quote

• url: https://open-api.openocean.finance/v3/arbitrum/gmx_quote

• method: get

• params:

parameter	type	example	description
inTokenAddress	string	0xaf88d065e77c8cC2239327C5EDb3A432268e5831	Input token address
outTokenAddress	string	0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9	Output token address
amount	string	100	Please set token amount without decimals. e.g. 1.00 ETH set as 1 1.23 USDC set as 1.23
gasPrice	string	0.1	Please set the gas price in GWEI without decimals e.g. 14 GWEI set as 14
multi_dex	boolean (Optional）	false (default false)	If added, it's the comparison between the price from dexs integrated to the price from GMX V2.

• Example:

• request:

https://open-api.openocean.finance/v3/arbitrum/gmx_quote?inTokenAddress=0xaf88d065e77c8cC2239327C5EDb3A432268e5831&outTokenAddress=0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9&amount=100&slippage=1&gasPrice=0.0111875

• response:

{
"code": 200,
"data": {
    "inToken": {
        "address": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "decimals": 6,
        "symbol": "USDC",
        "name": "USD Coin",
        "usd": "1.001",
        "volume": 100.1
    },
    "outToken": {
        "address": "0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9",
        "decimals": 6,
        "symbol": "USDT",
        "name": "Tether USD",
        "usd": "1.001",
        "volume": 100.07039042
    },
    "inAmount": "100000000",
    "outAmount": "99970420",
    "estimatedGas": "859474",
    "dexes": [
        {
            "dexIndex": 54,
            "dexCode": "GMXV2",
            "swapAmount": "99970420"
        }
    ],
    "path": {
        "from": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "to": "0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9",
        "parts": 10,
        "routes": [
            {}
        ]
    },
    "save": 0,
    "price_impact": "-0.03%"
}
}

Swap Quote

• url: https://open-api.openocean.finance/v3/arbitrum/gmx_swap_quote

• method: get

• params:

parameter	type	example	description
inTokenAddress	string	0xaf88d065e77c8cC2239327C5EDb3A432268e5831	Input token address
outTokenAddress	string	0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9	Output token address
amount	string	100	Please set token amount without decimals. e.g. 1.00 ETH set as 1 1.23 USDC set as 1.23
gasPrice	string	0.1	Please set the gas price in GWEI without decimals e.g. 14 GWEI set as 14
slippage	number	1	Define the acceptable slippage level by inputting a percentage value within the range of 0.05 to 50. e.g. 1% slippage set as 1 default value 1
account	string		user's address
referrer	string (Optional）	0x0000000000000000000000000000000000000000	Please contact us for a unique referrer parameter
multi_dex	boolean. (Optional）	false (default false)	If added, it's the comparison between the price from dexs integrated to the price from GMX V2.
sender	string(Optional)	0xaPbs...D9sh	If you want to set the receiving address, you will use the sender field. Sender is the sending address, and accou

• Example:

• Request:

https://open-api.openocean.finance/v3/arbitrum/gmx_swap_quote?inTokenAddress=0xaf88d065e77c8cC2239327C5EDb3A432268e5831&outTokenAddress=0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9&amount=100&slippage=1&gasPrice=0.0111875&account=0x929B44e589AC4dD99c0282614e9a844Ea9483C69

• response:

{
"code": 200,
"data": {
    "inToken": {
        "address": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "decimals": 6,
        "symbol": "USDC",
        "name": "USD Coin",
        "usd": "1.001",
        "volume": 100.1
    },
    "outToken": {
        "address": "0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9",
        "decimals": 6,
        "symbol": "USDT",
        "name": "Tether USD",
        "usd": "1.001",
        "volume": 100.06667270599999
    },
    "inAmount": "100000000",
    "outAmount": "99966706",
    "estimatedGas": 3442140,
    "minOutAmount": "0",
    "from": "0x7AeEF1035Ba6794C0478718a2330671Ec8802aF1",
    "to": "0x6352a56caadC4F1E25CD6c75970Fa768A3304e64",
    "value": "0",
    "gasPrice": "11187500",
    "data": "0x30eef8bd...",
    "chainId": 42161,
    "rfqDeadline": 0,
    "gmxFee": 64005007625000,
    "price_impact": "-0.04%"
}
}

If the "gmxFee" from above response is gmxFee>0 (meaning the swaps go through GMX V2 pools), it needs to use the following Get Transaction method to fetch the swap hash. otherwise, you could refer the docs here to get hashes.

Get Transaction

• url: https://open-api.openocean.finance/v3/arbitrum/gmx_transaction

• method: get

• params:

parameter	type	example	description
hash	string		transaction hash

• Example:

• request:

https://open-api.openocean.finance/v3/arbitrum/gmx_transaction?hash=0xd5f0bb09e95abf7a73fd02e465d1c4aa9a1a45a5bc8dee422cbdef706b00bd50

• response:

{
"code": 200,
"data": {
    srcHash: '', 
    dstHash: '', 
    status: 'success' || 'fail'
}
}