DEX API
Get supported chains

Get supported chains#

Get information from chains that support cross-chain transactions. Use a request to return a supported destination chain.

Note
The public DEX API is deprecated. To continue using the API service, please visit the Developer Portal to apply for an API key.

Supported Chains#

  • Ethereum Mainnet
  • ZkSync Era Mainnet
  • OP Mainnet
  • Polygon Mainnet
  • BNB Smart Chain Mainnet
  • OKT Chain
  • Avalanche C-Chain
  • Arbitrum One
  • Linea
  • Base
  • Polygon zkEVM
  • Scroll
  • Mantle
  • Manta Pacific
  • Metis
  • Blast
  • Tron
  • Solana
  • Merlin
  • X Layer
  • SUI
Note
For network and chainId correlations, please visit the Network chainId mapping .

Request address#

GET https://www.okx.com/api/v5/dex/cross-chain/supported/chain

Request param#

ParameterTypeRequiredDescription
chainIdIntegerNoChain ID (e.g., 1 for Ethereum. See Chain IDs)

Response param#

ParameterTypeDescription
chainIdIntegerChain ID (e.g., 1 for Ethereum. See Chain IDs)
chainNameStringChain name (e.g.,Optimism)
dexTokenApproveAddressStringdex token Approve Contract Address

Request example#

shell
curl --location --request GET 'https://www.okx.com/api/v5/dex/cross-chain/supported/chain?chainId=1' \
--header 'OK-ACCESS-PROJECT: 86af********d1bc' \
--header 'OK-ACCESS-KEY: 37c541a1-****-****-****-10fe7a038418' \
--header 'OK-ACCESS-SIGN: leaV********3uw=' \
--header 'OK-ACCESS-PASSPHRASE: 1****6' \
--header 'OK-ACCESS-TIMESTAMP: 2023-10-18T12:21:41.274Z'

Response example#

200
{
    "code":"0",
    "data":[
        {
            "chainId":137,
            "chainName":"Polygon",
            "dexTokenApproveAddress":"0x3B86917369B83a6892f553609F3c2F439C184e31"
        },
        {
            "chainId":195,
            "chainName":"TRON",
            "dexTokenApproveAddress":"THRAE2VhGNAcvPKtT96AqyXtSQwhiU1XL8"
        },
        {
            "chainId":43114,
            "chainName":"Avalanche C",
            "dexTokenApproveAddress":"0x40aA958dd87FC8305b97f2BA922CDdCa374bcD7f"
        },
        {
            "chainId":1,
            "chainName":"Ethereum",
            "dexTokenApproveAddress":"0x40aA958dd87FC8305b97f2BA922CDdCa374bcD7f"
        },
        {
            "chainId":66,
            "chainName":"OKTC",
            "dexTokenApproveAddress":"0x70cBb871E8f30Fc8Ce23609E9E0Ea87B6b222F58"
        },
        {
            "chainId":56,
            "chainName":"BNB Chain",
            "dexTokenApproveAddress":"0x2c34A2Fb1d0b4f55de51E1d0bDEfaDDce6b7cDD6"
        },
        {
            "chainId":42161,
            "chainName":"Arbitrum",
            "dexTokenApproveAddress":"0x70cBb871E8f30Fc8Ce23609E9E0Ea87B6b222F58"
        },
        {
            "chainId":10,
            "chainName":"Optimism",
            "dexTokenApproveAddress":"0x68D6B739D2020067D1e2F713b999dA97E4d54812"
        },
        {
            "chainId":324,
            "chainName":"zkSync Era",
            "dexTokenApproveAddress":"0xc67879F4065d3B9fe1C09EE990B891Aa8E3a4c2f"
        },
        {
            "chainId":784,
            "chainName":"SUI",
            "dexTokenApproveAddress":""
        },
        {
            "chainId":0,
            "chainName":"Bitcoin",
            "dexTokenApproveAddress":""
        },
        {
            "chainId":1101,
            "chainName":"Polygon zkEvm",
            "dexTokenApproveAddress":"0x57df6092665eb6058DE53939612413ff4B09114E"
        },
        {
            "chainId":59144,
            "chainName":"Linea",
            "dexTokenApproveAddress":"0x57df6092665eb6058DE53939612413ff4B09114E"
        },
        {
            "chainId":5000,
            "chainName":"Mantle",
            "dexTokenApproveAddress":"0x57df6092665eb6058DE53939612413ff4B09114E"
        },
        {
            "chainId":8453,
            "chainName":"Base",
            "dexTokenApproveAddress":"0x57df6092665eb6058DE53939612413ff4B09114E"
        },
        {
            "chainId":534352,
            "chainName":"Scroll",
            "dexTokenApproveAddress":"0x57df6092665eb6058DE53939612413ff4B09114E"
        }
    ],
    "msg":""
}