Allbridge Core

Supported Chains

Available on Ethereum, Arbitrum, Avalanche, Base, Optimism, Binance Smart Chain, Tron, Polygon, Solana and Stellar

Available Endpoints:

Click on the endpoint to jump to the section with full details

• /getprice GET - Returns the swap quotation for a given token pair.

• /getsupportedchainsGET - Retrieves the list of chains supported by Allbridge Core , on expand.network.

• /getsupportedtokensGET - Retrieves the list of tokens supported by Allbridge Core, on expand.network.

• /gettransaction GET - Retrieves the details of the transaction.

• /swap POST - Initiates a transaction to swap assets accross multiple chains.

Bridge ID

Many endpoints have a parameter where you can provide a Bridge ID.

Below is a list of Bridge ID related to Allbridge Core. Please see the Bridge ID Page for a complete Bridge ID list and more information.

Bridge Name	Bridge ID
Allbridge Core	400

Endpoint Details

/getprice

Get the swap quotation for the given token pairs.

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

Query Parameter

Name	Type	Description
rpc	String	Remote procedural call URL.
bridgeId*	String	Refer to the Bridge ID page for details.
srcChainId	String	Chain Id of the source chain. By default, Ethereum chain
dstChainId*	String	Chain Id of the destination chain.
srcTokenSymbol*	String	Source token symbol.
dstTokenSymbol*	String	Destination token symbol.
amountIn*	String	Amount of token.

Sample Response

https://api.expand.network/bridge/getprice?amountIn=1000000&srcChainId=900&dstChainId=900&srcTokenSymbol=usdc&dstTokenSymbol=usdt&bridgeId=400

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "srcChainId": "900",
        "dstChainId": "900",
        "srcTokenSymbol": "usdc",
        "dstTokenSymbol": "usdt",
        "amountIn": "1000000",
        "amountsOut": {
            "allbridge": [
                "1000000",
                "997501"
            ],
            "wormhole": [
                "1000000",
                "997501"
            ],
            "CCTP": [
                "1000000",
                "0"
            ]
        }
    }
}

/getsupportedchains

Retrieves the list of chains supported by Allbridge Core , on expand.network.

GET https://api.expand.network/bridge/getsupportedchains

Query Parameter

Name	Type	Description
rpc	String	Remote procedural call URL.
bridgeId*	String	Refer to the Bridge ID page for details.

Sample Request

https://api.expand.network/bridge/getsupportedchains?bridgeId=400

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": [
        {
            "chainName": "Ethereum",
            "chainId": "1"
        },
        {
            "chainName": "Optimism",
            "chainId": "10"
        },
        {
            "chainName": "Binance Smart Chain",
            "chainId": "56"
        },
        {
            "chainName": "Polygon",
            "chainId": "137"
        },
        {
            "chainName": "Solana",
            "chainId": "900"
        },
        {
            "chainName": "Tron",
            "chainId": "1000"
        },
        {
            "chainName": "Stellar",
            "chainId": "1500"
        },
        {
            "chainName": "Base",
            "chainId": "8453"
        },
        {
            "chainName": "Arbitrum",
            "chainId": "42161"
        },
        {
            "chainName": "Avalanche",
            "chainId": "43114"
        }
    ]
}

/getsupportedtokens

Retrieves the list of tokens supported by Allbridge Core, on expand.network.

GET https://api.expand.network/bridge/getsupportedtokens

Query Parameter

Name	Type	Description
rpc	String	Remote procedural call URL.
bridgeId*	String	Refer to the Bridge ID page for details.
chainId*	String	Refer to the Chain ID page for details.

Sample Request

https://api.expand.network/bridge/getsupportedtokens?chainId=1&bridgeId=400

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": [
        {
            "tokenSymbol": "USDC",
            "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
        },
        {
            "tokenSymbol": "USDT",
            "address": "0xdAC17F958D2ee523a2206206994597C13D831ec7"
        }
    ]
}

/gettransaction

Retrieves the details of the transaction.

GET https://api.expand.network/bridge/gettransaction

Query Parameter

Name	Type	Description
rpc	String	Remote procedural call URL.
bridgeId*	String	Refer to the Bridge ID page for details.
transactionHash*	String	Transaction hash.
srcChainId	String	Chain Id of the source chain. If txn involve Stellar, use Stellar chainId as srcChainId

Sample Request

https://api.expand.network/bridge/gettransaction?bridgeId=400&srcChainId=900&transactionHash=3uTxUbsYbXYL6xNjdxZZaqt7R69ZzgEPDZzVF5JG8pnM8AxJhVJAUEfE5eysEJvfJsGpbfuzoYE6z286KWZ2wTaf

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "txId": "3uTxUbsYbXYL6xNjdxZZaqt7R69ZzgEPDZzVF5JG8pnM8AxJhVJAUEfE5eysEJvfJsGpbfuzoYE6z286KWZ2wTaf",
        "sourceChainSymbol": "SOL",
        "destinationChainSymbol": "POL",
        "sendAmount": "11506239",
        "sendAmountFormatted": 11.506239,
        "stableFee": "169234",
        "stableFeeFormatted": 0.169234,
        "sourceTokenAddress": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "destinationTokenAddress": "0x2791bca1f2de4661ed88a30c99a7a9449aa84174",
        "senderAddress": "GAnBH3Cnyz5eT34P6VdNZY3tHESSWK7Kwa4zMxCprdda",
        "recipientAddress": "0x6b14f5ccb78fbb80e6d931d66bd42e71b2537308",
        "send": {
            "txId": "3uTxUbsYbXYL6xNjdxZZaqt7R69ZzgEPDZzVF5JG8pnM8AxJhVJAUEfE5eysEJvfJsGpbfuzoYE6z286KWZ2wTaf",
            "sourceChainId": 4,
            "fee": "17005",
            "feeFormatted": 0.017005,
            "stableFee": "169234",
            "stableFeeFormatted": 0.169234,
            "amount": "11506239",
            "amountFormatted": 11.506239,
            "virtualAmount": "11296",
            "bridgeContract": "BrdgN2RPzEMWF96ZbnnJaUtQDQx7VRXYaHHbYCBvceWB",
            "sender": "GAnBH3Cnyz5eT34P6VdNZY3tHESSWK7Kwa4zMxCprdda",
            "recipient": "0x6b14f5ccb78fbb80e6d931d66bd42e71b2537308",
            "destinationChainId": 5,
            "sourceTokenAddress": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
            "destinationTokenAddress": "0x2791bca1f2de4661ed88a30c99a7a9449aa84174",
            "messenger": 1,
            "blockTime": 1735562150000,
            "blockId": "310769741",
            "hash": "0x04054c0a8d76b15e6dbab8949fe5c253ab235e91e9274f0c6485a330100b7d8e",
            "confirmations": 32,
            "confirmationsNeeded": 32,
            "isSuspended": false
        },
        "signaturesCount": 2,
        "signaturesNeeded": 2,
        "receive": {
            "txId": "0xad479da4569fbba967f3f297c5a35ea3d8816a3c8af0a90e9b26f400d816316f",
            "sourceChainId": 4,
            "fee": "16960",
            "feeFormatted": 0.01696,
            "stableFee": "169234",
            "stableFeeFormatted": 0.169234,
            "amount": "11290040",
            "amountFormatted": 11.29004,
            "virtualAmount": "11296",
            "bridgeContract": "0x7775d63836987f444E2F14AA0fA2602204D7D3E0",
            "sender": "GAnBH3Cnyz5eT34P6VdNZY3tHESSWK7Kwa4zMxCprdda",
            "recipient": "0x6b14f5ccb78fbb80e6d931d66bd42e71b2537308",
            "destinationChainId": 5,
            "sourceTokenAddress": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
            "destinationTokenAddress": "0x2791bca1f2de4661ed88a30c99a7a9449aa84174",
            "messenger": 1,
            "blockTime": 1735562244000,
            "blockId": "66101722",
            "hash": "0x04054c0a8d76b15e6dbab8949fe5c253ab235e91e9274f0c6485a330100b7d8e",
            "confirmations": 160,
            "confirmationsNeeded": 160,
            "isSuspended": false
        },
        "isSuspended": false,
        "responseTime": 1736008447495
    }
}

/swap

Initiates a transaction to swap assets accross multiple chains.

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

Request Body

Name	Type	Description
rpc	String	Remote procedural call URL.
bridgeId*	String	Refer to the Bridge ID page for details.
srcChainId*	String	Chain Id of the source chain.
dstChainId*	String	Chain Id of the destination chain.
srcTokenSymbol*	String	Source token symbol.
dstTokenSymbol*	String	Destination token symbol.
amountIn*	String	Amount of token.
gas*	String	Maximum gas limit provided by the sender, for the transaction.
gas priority	String	Low, medium, or high.
from*	String	Address of the sender of the token.
to*	String	Address of the recipient of the token.
messenger	String	ALLBRIDGE, WARMHOLE or CCTP. By default, ALLBRIDGE.

Sample Request

{
    "to": "0x0CDA40b49c94502cdb58d4Ec507Fc4c842D8AF47",
    "from": "53unSgGWqEWANcPYRF35B2Bgf8BkszUtcccKiXwGGLyr",
    "srcChainId": "900",
    "dstChainId": "1",
    "srcTokenSymbol": "USDt",
    "dstTokenSymbol": "USDC",
    "bridgeId": "400",
    "amountIn": "10000000",
    "gas": "30000",
    "messenger":"WORMHOLE"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "900",
        "from": "53unSgGWqEWANcPYRF35B2Bgf8BkszUtcccKiXwGGLyr",
        "data": "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",
        "referenceId": "ca464066b53746868f9c04df914a789c"
    }
}

With Gas Priority

Sample Request

{
    "to": "TT2T17KZhoDu47i2E4FWxfG79zdkEWkU9N",
    "from": "0xB409cB0b5DB9f148d0bc491E140D9E0FDd789C11",
    "srcChainId": "1",
    "dstChainId": "1000",
    "srcTokenSymbol": "usdc",
    "dstTokenSymbol": "usdt",
    "bridgeId": "400",
    "amountIn": "1000000",
    "gas": "30000",
    "gasPriority":"high"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "gas": "30000",
        "from": "0xB409cB0b5DB9f148d0bc491E140D9E0FDd789C11",
        "to": "0x609c690e8F7D68a59885c9132e812eEbDaAf0c9e",
        "value": "3365697621963008",
        "data": "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",
        "gasPrice": "15182277713",
        "estimationCheck": true,
        "referenceId": "29e3be4965c74071b126b8dcb6fb9ac0"
    }
}