Configuration

Public endpoints for querying supported blockchain networks and tokens. These endpoints do not require authentication.

Query All Chain Info

Retrieve all supported blockchain networks.

Endpoint

POST /v4.0.0/config/chains

Request

No request body required. Send an empty JSON object:

json

{}

Response

json

{
    "code": 0,
    "msg": "success",
    "ui": null,
    "version": null,
    "count": 0,
    "data": [
        {
            "id": 1,
            "chain": "ETH",
            "chainDesc": "BlockChain Ethereum",
            "enable": true,
            "receiptAddress": "0xfa102a28ea611af6d8b1e6247b2b9dc4a1accc61",
            "txConfirmCount": "3",
            "walletConnectEnable": true,
            "bridgeServerAddress": "https://bridge.hashnut.io",
            "decimals": 18,
            "baseChainSymbol": "Ethereum",
            "env": 1,
            "chainId": "1",
            "baseChainCoin": "ETH",
            "createTime": 1712156631401,
            "updateTime": 1712156631401,
            "chainType": 0,
            "multicall3": "0xca11bde05977b3631167028862be2a173976ca11",
            "explorerUrl": "https://etherscan.io",
            "explorerTxPath": "/tx/",
            "explorerAddrPath": "/address/",
            "eip712ChainId": "0",
            "eip1559Support": true
        },
        {
            "id": 3,
            "chain": "BSC",
            "chainDesc": "BlockChain BSC",
            "enable": true,
            "receiptAddress": "0xfa102a28ea611af6d8b1e6247b2b9dc4a1accc61",
            "txConfirmCount": "3",
            "walletConnectEnable": true,
            "bridgeServerAddress": "https://bridge.hashnut.io",
            "decimals": 18,
            "baseChainSymbol": "BNB",
            "env": 1,
            "chainId": "56",
            "baseChainCoin": "BNB",
            "createTime": 1712156631404,
            "updateTime": 1712156631404,
            "chainType": 0,
            "multicall3": "0xca11bde05977b3631167028862be2a173976ca11",
            "explorerUrl": "https://bscscan.com",
            "explorerTxPath": "/tx/",
            "explorerAddrPath": "/address/",
            "eip712ChainId": "0",
            "eip1559Support": true
        },
        {
            "id": 2,
            "chain": "POLYGON",
            "chainDesc": "BlockChain POLYGON",
            "enable": true,
            "receiptAddress": "0xfa102a28ea611af6d8b1e6247b2b9dc4a1accc61",
            "txConfirmCount": "3",
            "walletConnectEnable": true,
            "bridgeServerAddress": "https://bridge.hashnut.io",
            "decimals": 18,
            "baseChainSymbol": "POLYGON",
            "env": 1,
            "chainId": "137",
            "baseChainCoin": "MATIC",
            "createTime": 1712156631403,
            "updateTime": 1712156631403,
            "chainType": 0,
            "multicall3": "0xca11bde05977b3631167028862be2a173976ca11",
            "explorerUrl": "https://polygonscan.com",
            "explorerTxPath": "/tx/",
            "explorerAddrPath": "/address/",
            "eip712ChainId": "0",
            "eip1559Support": true
        },
        {
            "id": 4,
            "chain": "TRON",
            "chainDesc": "BlockChain TRON",
            "enable": true,
            "receiptAddress": "TSK4ygbBw3psNyqCPktxU8JbKKViQrCmPN",
            "txConfirmCount": "3",
            "walletConnectEnable": false,
            "bridgeServerAddress": "https://bridge.hashnut.io",
            "decimals": 6,
            "baseChainSymbol": "TRX",
            "env": 1,
            "chainId": "0",
            "baseChainCoin": "TRX",
            "createTime": 1712156631405,
            "updateTime": 1712156631405,
            "chainType": 1,
            "multicall3": "TEazPvZwDjDtFeJupyo7QunvnrnUjPH8ED",
            "explorerUrl": "https://tronscan.org",
            "explorerTxPath": "/#/transaction/",
            "explorerAddrPath": "/#/address/",
            "eip712ChainId": "0",
            "eip1559Support": true
        }
    ]
}

Query All Coin Info

Retrieve all supported tokens across all chains.

Endpoint

POST /v4.0.0/config/coins

Request

json

{}

Response

json

{
  "code": 0,
  "msg": "success",
  "ui": null,
  "version": null,
  "count": 0,
  "data": [
    {
      "id": 1,
      "chain": "ETH",
      "chainCode": "erc20",
      "coinCode": "usdt",
      "isToken": true,
      "enable": true,
      "contractAddress": "0xdac17f958d2ee523a2206206994597c13d831ec7",
      "coinDesc": "tether usdt",
      "gateWayEnable": true,
      "decimals": "6",
      "createTime": 1712156631406,
      "updateTime": 1712156631406,
      "nftmarket": "opensea"
    },
    {
      "id": 2,
      "chain": "ETH",
      "chainCode": "erc20",
      "coinCode": "usdc",
      "isToken": true,
      "enable": true,
      "contractAddress": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
      "coinDesc": "usdc",
      "gateWayEnable": true,
      "decimals": "6",
      "createTime": 1712156631408,
      "updateTime": 1712156631408,
      "nftmarket": "opensea"
    },
    {
      "id": 3,
      "chain": "POLYGON",
      "chainCode": "polygon-erc20",
      "coinCode": "usdt",
      "isToken": true,
      "enable": true,
      "contractAddress": "0xc2132d05d31c914a87c6611c10748aeb04b58e8f",
      "coinDesc": "usdt on polygon",
      "gateWayEnable": true,
      "decimals": "6",
      "createTime": 1712156631409,
      "updateTime": 1712156631409,
      "nftmarket": "opensea"
    },
    {
      "id": 4,
      "chain": "POLYGON",
      "chainCode": "polygon-erc20",
      "coinCode": "kampay",
      "isToken": true,
      "enable": true,
      "contractAddress": "0x39fc9e94caeacb435842fadedecb783589f50f5f",
      "coinDesc": "kampay on polygon",
      "gateWayEnable": true,
      "decimals": "18",
      "createTime": 1712156631411,
      "updateTime": 1712156631411,
      "nftmarket": "opensea"
    },
    {
      "id": 5,
      "chain": "BSC",
      "chainCode": "bep20",
      "coinCode": "usdt",
      "isToken": true,
      "enable": true,
      "contractAddress": "0x55d398326f99059ff775485246999027b3197955",
      "coinDesc": "usdt on bsc",
      "gateWayEnable": true,
      "decimals": "18",
      "createTime": 1712156631419,
      "updateTime": 1712156631419,
      "nftmarket": "opensea"
    },
    {
      "id": 6,
      "chain": "BSC",
      "chainCode": "bep20",
      "coinCode": "usdc",
      "isToken": true,
      "enable": true,
      "contractAddress": "0x8ac76a51cc950d9822d68b83fe1ad97b32cd580d",
      "coinDesc": "usdc on bsc",
      "gateWayEnable": true,
      "decimals": "18",
      "createTime": 1712156631429,
      "updateTime": 1712156631429,
      "nftmarket": "opensea"
    },
    {
      "id": 7,
      "chain": "BSC",
      "chainCode": "bep20",
      "coinCode": "kampay",
      "isToken": true,
      "enable": true,
      "contractAddress": "0x8e984e03ab35795c60242c902ece2450242c90e9",
      "coinDesc": "kampay on bsc",
      "gateWayEnable": true,
      "decimals": "18",
      "createTime": 1712156631432,
      "updateTime": 1712156631432,
      "nftmarket": "opensea"
    },
    {
      "id": 8,
      "chain": "TRON",
      "chainCode": "trc20",
      "coinCode": "usdt",
      "isToken": true,
      "enable": true,
      "contractAddress": "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t",
      "coinDesc": "usdt on tron",
      "gateWayEnable": true,
      "decimals": "6",
      "createTime": 1712156631436,
      "updateTime": 1712156631436,
      "nftmarket": "opensea"
    },
    {
      "id": 9,
      "chain": "TRON",
      "chainCode": "trc20",
      "coinCode": "usdc",
      "isToken": true,
      "enable": true,
      "contractAddress": "TEkxiTehnzSmSe2XqrBj4w32RUN966rdz8",
      "coinDesc": "usdc on tron",
      "gateWayEnable": true,
      "decimals": "6",
      "createTime": 1712156631437,
      "updateTime": 1712156631437,
      "nftmarket": "opensea"
    },
    {
      "id": 10,
      "chain": "POLYGON",
      "chainCode": "polygon-erc20",
      "coinCode": "usdc",
      "isToken": true,
      "enable": true,
      "contractAddress": "0x2791bca1f2de4661ed88a30c99a7a9449aa84174",
      "coinDesc": "usdc on polygon",
      "gateWayEnable": true,
      "decimals": "6",
      "createTime": 1766680438411,
      "updateTime": 1766680438411,
      "nftmarket": "opensea"
    }
  ]
}

Query Coin Info (Specific)

Retrieve token information for a specific chain.

Endpoint

POST /v4.0.0/config/coins/query

Request

json

{
  "chainCode": "erc20"
}

Response

json

{
    "code": 0,
    "msg": "success",
    "ui": null,
    "version": null,
    "count": 0,
    "data": [
        {
            "id": 1,
            "chain": "ETH",
            "chainCode": "erc20",
            "coinCode": "usdt",
            "isToken": true,
            "enable": true,
            "contractAddress": "0xdac17f958d2ee523a2206206994597c13d831ec7",
            "coinDesc": "tether usdt",
            "gateWayEnable": true,
            "decimals": "6",
            "createTime": 1712156631406,
            "updateTime": 1712156631406,
            "nftmarket": "opensea"
        },
        {
            "id": 2,
            "chain": "ETH",
            "chainCode": "erc20",
            "coinCode": "usdc",
            "isToken": true,
            "enable": true,
            "contractAddress": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
            "coinDesc": "usdc",
            "gateWayEnable": true,
            "decimals": "6",
            "createTime": 1712156631408,
            "updateTime": 1712156631408,
            "nftmarket": "opensea"
        }
    ]
}

Query All Fiat Info

Retrieve all supported fiat currencies.

Endpoint

POST /v4.0.0/config/fiats

Request

No request body required. Send an empty JSON object:

json

{}

Response

json

{
  "code": 0,
  "msg": "success",
  "data": [
    {
      "fiatCode": "USD",
      "description": "US Dollar",
      "enabled": true
    },
    {
      "fiatCode": "CNY",
      "description": "Chinese Yuan",
      "enabled": true
    }
  ]
}

Field	Type	Description
`fiatCode`	string	Fiat currency code (e.g., `USD`, `CNY`, `EUR`)
`description`	string	Human-readable currency name
`enabled`	boolean	Whether this fiat currency is currently enabled

Common Chain Codes

chainCode represents the token standard of a blockchain network.

chainCode	Description	Chains
`erc20`	Ethereum ERC-20	ETH, ETH_SEPOLIA
`bep20`	BNB Smart Chain BEP-20	BSC, BSC_TESTNET
`polygon-erc20`	Polygon ERC-20	POLYGON, POLYGON_AMOY
`trc20`	Tron TRC-20	TRON, TRON_SHASTA, TRON_NILE
`spl`	Solana SPL	SOL, SOL_DEVNET

Common Coin Codes

coinCode	Name	Typical Decimals
`usdt`	Tether USD	6
`usdc`	USD Coin	6

TIP

Use these config endpoints to dynamically populate chain and token selectors in your frontend, rather than hardcoding values.

Configuration ​

Query All Chain Info ​

Endpoint ​

Request ​

Response ​

Query All Coin Info ​

Endpoint ​

Request ​

Response ​

Query Coin Info (Specific) ​

Endpoint ​

Request ​

Response ​

Query All Fiat Info ​

Endpoint ​

Request ​

Response ​

Common Chain Codes ​

Common Coin Codes ​

Configuration

Query All Chain Info

Endpoint

Request

Response

Query All Coin Info

Endpoint

Request

Response

Query Coin Info (Specific)

Endpoint

Request

Response

Query All Fiat Info

Endpoint

Request

Response

Common Chain Codes

Common Coin Codes