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Fungible Tokens

Provides functionalities to transfer tokens, allows others to transfer tokens on behalf of the token holder, and converts base to wrap token and vice versa.

Following are the common functions implemented for the Fungible Tokens:-

Name

Type

Description

Following is a sequence diagram for approve() process:-

Following is a sequence diagram for transfer() process:-

Following is a sequence diagram for transferFrom() process:-

Following is a sequence diagram for convertBaseTokenToWrapToken() process:-

Following is a sequence diagram for convertWrapTokenToBaseToken() process:-

ERC20

/gettokendetails

Get the name, symbol and decimals of provided token address. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

GET https://api.expand.network/fungibletoken/gettokendetails

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/gettokendetails?tokenAddress=0xEB1112Ac78D537853150E2a07E8b765E29d3F019

{
    "status": 200,
    "msg": "success",
    "data": {
        "symbol": "HASH",
        "name": "HASH",
        "decimal": "18"
    }
}

/getuserallowance

Get the amount that the spender is allowed to withdraw on behalf of the owner. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

GET https://api.expand.network/fungibletoken/getuserallowance

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/getuserallowance?owner=0x6Fb447Ae94F5180254D436A693907a1f57696900&tokenAddress=0x6b175474e89094c44da98b954eedeac495271d0f&spender=0xBA12222222228d8Ba445958a75a0704d566BF2C8

{
    "status": 200,
    "msg": "success",
    "data": {
        "allowance": "999000000000000000000"
    }
}

/getuserbalance

Get the balance of the given token. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

GET https://api.expand.network/fungibletoken/getuserbalance

Query Parameters

https://api.expand.network/fungibletoken/getuserbalance?tokenAddress=0x6B175474E89094C44Da98b954EedeAC495271d0F&address=0x63056E00436Da25BcF48A40dfBbDcc7089351006&chainId=1

{
    "status": 200,
    "msg": "success",
    "data": {
        "balance": "90344000000000000000"
    }
}

/historical/transactions

Retrieves all the transfers for the given address in the given range.

GET https://api.expand.network/fungibletoken/historical/transactions

Query Parameters

https://api.expand.network/fungibletoken/historical/transactions?tokenAddress=0x6b175474e89094c44da98b954eedeac495271d0f

{
    "status": 200,
    "msg": "success",
    "data": {
        "transactions": [
            {
                "blockNumber": "18968825",
                "timeStamp": "1704796271",
                "hash": "0x6df96285db80a5c1792a056bf9f38c63e9f250572c2f5afac945bcf996a145e5",
                "nonce": "21",
                "blockHash": "0xe8cf4dda5e648b707ff2837741708176122cb2196559c20c8618debf8c991997",
                "from": "0x3f2488a54c8b397525ff85ce5d32ac5f27dd8ce5",
                "contractAddress": "0x6b175474e89094c44da98b954eedeac495271d0f",
                "to": "0x1715a3e4a142d8b698131108995174f37aeba10d",
                "value": "193485657300000000000",
                "tokenName": "Dai Stablecoin",
                "tokenSymbol": "DAI",
                "tokenDecimal": "18",
                "transactionIndex": "114",
                "gas": "216896",
                "gasPrice": "12898560151",
                "gasUsed": "189283",
                "cumulativeGasUsed": "10458631",
                "input": "deprecated",
                "confirmations": "67",
                "methodId": "0xad58bdd1",
                "methodSignature": "relayTokens(address,address,uint256)"
            },
        ]
    }
}

/historical/weth

Retrieves all the WETH transfers for the given address in the given range.

GET https://api.expand.network/fungibletoken/historical/weth

Query Parameters

https://api.expand.network/fungibletoken/historical/weth

{
    "status": 200,
    "msg": "success",
    "data": {
        "transactions": [
            {
                "blockNumber": "17320271",
                "timeStamp": "1684824623",
                "hash": "0x051aac77f464921c72bb628fea7e1f57663b28e0286d20c69e830498307f15d5",
                "nonce": "367",
                "blockHash": "0x3dc921095193718262dcf3f07b52f1921351bef675a8617dd6f1badde6093f19",
                "from": "0x55d5c232d921b9eaa6b37b5845e439acd04b4dba",
                "contractAddress": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
                "to": "0xef1c6e67703c7bd7107eed8303fbe6ec2554bf6b",
                "value": "449713740022466855",
                "tokenName": "Wrapped Ether",
                "tokenSymbol": "WETH",
                "tokenDecimal": "18",
                "transactionIndex": "112",
                "gas": "212952",
                "gasPrice": "37761736473",
                "gasUsed": "149768",
                "cumulativeGasUsed": "10771742",
                "input": "deprecated",
                "confirmations": "1"
            }
        ]
    }
}

/historical/logs

Retrieves all the logs for the given address in the given range.

GET https://api.expand.network/fungibletoken/historical/logs

Query Parameters

https://api.expand.network/fungibletoken/historical/logs?tokenAddress=0x6B175474E89094C44Da98b954EedeAC495271d0F&type=Approval

{
    "status": 200,
    "msg": "success",
    "data": {
        "logs": [
            {
                "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
                "topics": [
                    "0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925",
                    "0x000000000000000000000000975f7b8e68e99c04807e94f72d63e98ec21f5ad5",
                    "0x0000000000000000000000001715a3e4a142d8b698131108995174f37aeba10d"
                ],
                "params": {
                    "src": "0x975f7b8e68e99c04807e94f72d63e98ec21f5ad5",
                    "guy": "0x1715a3e4a142d8b698131108995174f37aeba10d",
                    "wad": "127000000000000000000"
                },
                "data": "0x000000000000000000000000000000000000000000000006e27aa3200a9c0000",
                "blockNumber": "17320089",
                "blockHash": "0x39b65a913a44fefa4f1432dc00927839cf8ba6bcbc778afb3effaf5c91a2a5d1",
                "timeStamp": "1684822391",
                "gasPrice": "37991235385",
                "gasUsed": "46158",
                "logIndex": "302",
                "transactionHash": "0x8b9159d1fc58b9dd33a0f8ebcb6980bca0416c3836bb08771c2cac5737dbadba",
                "transactionIndex": "109"
            }
        ]
    }
}

/approve

Sets amount as the allowance of spender over the user’s tokens. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

POST https://api.expand.network/fungibletoken/approve

Request Body

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006", 
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",  
    "amount": "1000000000000000000000",                  
    "to": "0x828b154032950c8ff7cf8085d841723db2696056", 
    "gas": "100000",
    "chainId": "1"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "100000",
        "data": "0x095ea7b3000000000000000000000000828b154032950c8ff7cf8085d841723db269605600000000000000000000000000000000000000000000003635c9adc5dea00000"
    }
}

With gasPriority:

{
    "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a", 
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",  
    "amount": "1000000000000000000000",
    "to": "0x828b154032950c8ff7cf8085d841723db2696056", 
    "gas": "100000",
    "gasPriority":"medium",
    "chainId": "1"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "55277",
        "data": "0x095ea7b3000000000000000000000000828b154032950c8ff7cf8085d841723db269605600000000000000000000000000000000000000000000003635c9adc5dea00000"
    }
}

/transfer

Moves amount tokens from the user’s account to the recipient. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

POST https://api.expand.network/fungibletoken/transfer

Request Body

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "tokenAddress": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "1", 
    "to": "0x3E1Ca9fe2FC3021408d0E869BD3AFb167F889F38",
    "gas": "2307200"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "2307200",
        "data": "0xa9059cbb0000000000000000000000003e1ca9fe2fc3021408d0e869bd3afb167f889f380000000000000000000000000000000000000000000000000000000000000001"
    }
}

With gasPriority:

{
    "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
    "tokenAddress": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "1000000000000", 
    "to": "0x3E1Ca9fe2FC3021408d0E869BD3AFb167F889F38",
    "gas": "2307200",
    "gasPriority":"medium"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "61884",
        "data": "0xa9059cbb0000000000000000000000003e1ca9fe2fc3021408d0e869bd3afb167f889f38000000000000000000000000000000000000000000000000000000e8d4a51000"
    }
}

/transferfrom

Transfers tokens from sender to recipient using the allowance mechanism. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Starknet, Base, and zkSync.

POST https://api.expand.network/fungibletoken/transferfrom

Request Body

{
       "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
       "tokenAddress": "0x4B9eb6c0b6ea15176BBF62841C6B2A8a398cb656",
       "amount": "10000000000000",
       "reciever":"0x56D2208EfD27Fe9C67e3879DeBCe35833B9D4cC7",
       "to": "0xa67E9B68c41b0f26184D64C26e0b2B81466E5994",
       "gas": "390000"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "2307200",
        "data": "0x23b872dd00000000000000000000000063056e00436da25bcf48a40dfbbdcc708935100600000000000000000000000094a5e554dc172a472421291ae6e6c0e3c150286f0000000000000000000000000000000000000000000000000000000000000046"
    }
}

With gasPriority:

{
       "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
       "tokenAddress": "0x4B9eb6c0b6ea15176BBF62841C6B2A8a398cb656",
       "amount": "10000000000000",
       "reciever":"0x56D2208EfD27Fe9C67e3879DeBCe35833B9D4cC7",
       "to": "0xa67E9B68c41b0f26184D64C26e0b2B81466E5994",
       "gas": "390000"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "62126",
        "data": "0x23b872dd000000000000000000000000debb1a42a27051fd18d6d6c2055a44d330a4d80a00000000000000000000000094a5e554dc172a472421291ae6e6c0e3c150286f0000000000000000000000000000000000000000000000000000000000000046"
    }
}

/convertbasetokentowraptoken

Converts base token to wrap token. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Starknet, Base, and zkSync.

POST https://api.expand.network/fungibletoken/convertbasetokentowraptoken

Request Body

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", 
    "gas": "2307200",
    "chainId": "1",
    "amount":"10"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0xa",
        "gas": "2307200",
        "data": "0xd0e30db0"
    }
}

With gasPriority:

{
    "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", 
    "gas": "2307200",
    "gasPriority":"medium",
    "chainId": "1",
    "amount":"10"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0xa",
        "gas": "31058",
        "data": "0xd0e30db0"
    }
}

/convertwraptokentobasetoken

Converts wrap token to base token. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Starknet, Base, and zkSync.

POST https://api.expand.network/fungibletoken/convertwraptokentobasetoken

Request Body

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "5", 
    "gas": "2307200",
    "chainId": "1"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "2307200",
        "data": "0x2e1a7d4d0000000000000000000000000000000000000000000000000000000000000005"
    }
}

With gasPriority(medium):

{
    "from": "0xE4c0ddb2695415466be83f2A99b44b043CB55590",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "100000000000",
    "gas": "2307200",
    "gasPriority":"medium",
    "chainId": "1"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xE4c0ddb2695415466be83f2A99b44b043CB55590",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "43189",
        "data": "0x2e1a7d4d000000000000000000000000000000000000000000000000000000174876e800"
    }
}

WETH

/getbalance

Get the balance or number of WETH in the requested public address. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

GET https://api.expand.network/weth/getbalance

Query Parameters

Name

Type

Description

https://api.expand.network/weth/getbalance/?address=0x6Fb447Ae94F5180254D436A693907a1f57696900

{
    "status": 200,
    "msg": "success",
    "data": {
        "balance": "25690185796757697"
    }
}

/historical/logs

Retrieves all the logs for WETH events specified in query in the given block range.

GET https://api.expand.network/weth/historical/logs

Query Parameters

Name

Type

Description

https://api.expand.network/weth/historical/logs?type=Deposit

{
    "status": 200,
    "msg": "success",
    "data": {
        "logs": [
            {
                "address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
                "topics": [
                    "0xe1fffcc4923d04b559f4d29a8bfc6cda04eb5b0d3c460751c2402c5c5cc9109c",
                    "0x0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d"
                ],
                "params": {
                    "dst": "0x7a250d5630b4cf539739df2c5dacb4c659f2488d",
                    "wad": "100000000000000000"
                },
                "data": "0x000000000000000000000000000000000000000000000000016345785d8a0000",
                "blockNumber": "17320569",
                "blockHash": "0xcbc13d3439e115dcb6203a45d82da137b7f546286224f29248192a7e428e29d6",
                "timeStamp": "1684828271",
                "gasPrice": "101893509354",
                "gasUsed": "142805",
                "logIndex": "0",
                "transactionHash": "0xa36d80f70960af4a7f67145670e589795edd3fda2c3334eb7c6fce962f06d99e",
                "transactionIndex": "4"
            }
        ]
    }
}

ERC20

/gettokendetails

Get the name, symbol and decimals of provided token address. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

GET https://api.expand.network/fungibletoken/gettokendetails

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/gettokendetails?tokenAddress=0xEB1112Ac78D537853150E2a07E8b765E29d3F019

{
    "status": 200,
    "msg": "success",
    "data": {
        "symbol": "HASH",
        "name": "HASH",
        "decimal": "18"
    }
}

/getuserallowance

Get the amount that the spender is allowed to withdraw on behalf of the owner. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

GET https://api.expand.network/fungibletoken/getuserallowance

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/getuserallowance?owner=0x6Fb447Ae94F5180254D436A693907a1f57696900&tokenAddress=0x6b175474e89094c44da98b954eedeac495271d0f&spender=0xBA12222222228d8Ba445958a75a0704d566BF2C8

{
    "status": 200,
    "msg": "success",
    "data": {
        "allowance": "999000000000000000000"
    }
}

/getuserbalance

Get the balance of the given token. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

GET https://api.expand.network/fungibletoken/getuserbalance

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/getuserbalance?tokenAddress=0x6B175474E89094C44Da98b954EedeAC495271d0F&address=0x63056E00436Da25BcF48A40dfBbDcc7089351006&chainId=1

{
    "status": 200,
    "msg": "success",
    "data": {
        "balance": "90344000000000000000"
    }
}

/historical/transactions

Retrieves all the transfers for the given address in the given range.

GET https://api.expand.network/fungibletoken/historical/transactions

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/historical/transactions?tokenAddress=0x6b175474e89094c44da98b954eedeac495271d0f

{
    "status": 200,
    "msg": "success",
    "data": {
        "transactions": [
            {
                "blockNumber": "18968825",
                "timeStamp": "1704796271",
                "hash": "0x6df96285db80a5c1792a056bf9f38c63e9f250572c2f5afac945bcf996a145e5",
                "nonce": "21",
                "blockHash": "0xe8cf4dda5e648b707ff2837741708176122cb2196559c20c8618debf8c991997",
                "from": "0x3f2488a54c8b397525ff85ce5d32ac5f27dd8ce5",
                "contractAddress": "0x6b175474e89094c44da98b954eedeac495271d0f",
                "to": "0x1715a3e4a142d8b698131108995174f37aeba10d",
                "value": "193485657300000000000",
                "tokenName": "Dai Stablecoin",
                "tokenSymbol": "DAI",
                "tokenDecimal": "18",
                "transactionIndex": "114",
                "gas": "216896",
                "gasPrice": "12898560151",
                "gasUsed": "189283",
                "cumulativeGasUsed": "10458631",
                "input": "deprecated",
                "confirmations": "67",
                "methodId": "0xad58bdd1",
                "methodSignature": "relayTokens(address,address,uint256)"
            },
        ]
    }
}

/historical/weth

Retrieves all the WETH transfers for the given address in the given range.

GET https://api.expand.network/fungibletoken/historical/weth

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/historical/weth

{
    "status": 200,
    "msg": "success",
    "data": {
        "transactions": [
            {
                "blockNumber": "17320271",
                "timeStamp": "1684824623",
                "hash": "0x051aac77f464921c72bb628fea7e1f57663b28e0286d20c69e830498307f15d5",
                "nonce": "367",
                "blockHash": "0x3dc921095193718262dcf3f07b52f1921351bef675a8617dd6f1badde6093f19",
                "from": "0x55d5c232d921b9eaa6b37b5845e439acd04b4dba",
                "contractAddress": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
                "to": "0xef1c6e67703c7bd7107eed8303fbe6ec2554bf6b",
                "value": "449713740022466855",
                "tokenName": "Wrapped Ether",
                "tokenSymbol": "WETH",
                "tokenDecimal": "18",
                "transactionIndex": "112",
                "gas": "212952",
                "gasPrice": "37761736473",
                "gasUsed": "149768",
                "cumulativeGasUsed": "10771742",
                "input": "deprecated",
                "confirmations": "1"
            }
        ]
    }
}

/historical/logs

Retrieves all the logs for the given address in the given range.

GET https://api.expand.network/fungibletoken/historical/logs

Query Parameters

Name

Type

Description

https://api.expand.network/fungibletoken/historical/logs?tokenAddress=0x6B175474E89094C44Da98b954EedeAC495271d0F&type=Approval

{
    "status": 200,
    "msg": "success",
    "data": {
        "logs": [
            {
                "address": "0x6b175474e89094c44da98b954eedeac495271d0f",
                "topics": [
                    "0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925",
                    "0x000000000000000000000000975f7b8e68e99c04807e94f72d63e98ec21f5ad5",
                    "0x0000000000000000000000001715a3e4a142d8b698131108995174f37aeba10d"
                ],
                "params": {
                    "src": "0x975f7b8e68e99c04807e94f72d63e98ec21f5ad5",
                    "guy": "0x1715a3e4a142d8b698131108995174f37aeba10d",
                    "wad": "127000000000000000000"
                },
                "data": "0x000000000000000000000000000000000000000000000006e27aa3200a9c0000",
                "blockNumber": "17320089",
                "blockHash": "0x39b65a913a44fefa4f1432dc00927839cf8ba6bcbc778afb3effaf5c91a2a5d1",
                "timeStamp": "1684822391",
                "gasPrice": "37991235385",
                "gasUsed": "46158",
                "logIndex": "302",
                "transactionHash": "0x8b9159d1fc58b9dd33a0f8ebcb6980bca0416c3836bb08771c2cac5737dbadba",
                "transactionIndex": "109"
            }
        ]
    }
}

/approve

Sets amount as the allowance of spender over the user’s tokens. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

POST https://api.expand.network/fungibletoken/approve

Request Body

Name

Type

Description

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006", 
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",  
    "amount": "1000000000000000000000",                  
    "to": "0x828b154032950c8ff7cf8085d841723db2696056", 
    "gas": "100000",
    "chainId": "1"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "100000",
        "data": "0x095ea7b3000000000000000000000000828b154032950c8ff7cf8085d841723db269605600000000000000000000000000000000000000000000003635c9adc5dea00000"
    }
}

With gasPriority:

{
    "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a", 
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",  
    "amount": "1000000000000000000000",
    "to": "0x828b154032950c8ff7cf8085d841723db2696056", 
    "gas": "100000",
    "gasPriority":"medium",
    "chainId": "1"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "55277",
        "data": "0x095ea7b3000000000000000000000000828b154032950c8ff7cf8085d841723db269605600000000000000000000000000000000000000000000003635c9adc5dea00000"
    }
}

/transfer

Moves amount tokens from the user’s account to the recipient. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Base, and zkSync.

POST https://api.expand.network/fungibletoken/transfer

Request Body

Name

Type

Description

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "tokenAddress": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "1", 
    "to": "0x3E1Ca9fe2FC3021408d0E869BD3AFb167F889F38",
    "gas": "2307200"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "2307200",
        "data": "0xa9059cbb0000000000000000000000003e1ca9fe2fc3021408d0e869bd3afb167f889f380000000000000000000000000000000000000000000000000000000000000001"
    }
}

With gasPriority:

{
    "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
    "tokenAddress": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "1000000000000", 
    "to": "0x3E1Ca9fe2FC3021408d0E869BD3AFb167F889F38",
    "gas": "2307200",
    "gasPriority":"medium"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "61884",
        "data": "0xa9059cbb0000000000000000000000003e1ca9fe2fc3021408d0e869bd3afb167f889f38000000000000000000000000000000000000000000000000000000e8d4a51000"
    }
}

/transferfrom

Transfers tokens from sender to recipient using the allowance mechanism. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Starknet, Base, and zkSync.

POST https://api.expand.network/fungibletoken/transferfrom

Request Body

Name

Type

Description

{
       "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
       "tokenAddress": "0x4B9eb6c0b6ea15176BBF62841C6B2A8a398cb656",
       "amount": "10000000000000",
       "reciever":"0x56D2208EfD27Fe9C67e3879DeBCe35833B9D4cC7",
       "to": "0xa67E9B68c41b0f26184D64C26e0b2B81466E5994",
       "gas": "390000"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "2307200",
        "data": "0x23b872dd00000000000000000000000063056e00436da25bcf48a40dfbbdcc708935100600000000000000000000000094a5e554dc172a472421291ae6e6c0e3c150286f0000000000000000000000000000000000000000000000000000000000000046"
    }
}

With gasPriority:

{
       "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
       "tokenAddress": "0x4B9eb6c0b6ea15176BBF62841C6B2A8a398cb656",
       "amount": "10000000000000",
       "reciever":"0x56D2208EfD27Fe9C67e3879DeBCe35833B9D4cC7",
       "to": "0xa67E9B68c41b0f26184D64C26e0b2B81466E5994",
       "gas": "390000"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "62126",
        "data": "0x23b872dd000000000000000000000000debb1a42a27051fd18d6d6c2055a44d330a4d80a00000000000000000000000094a5e554dc172a472421291ae6e6c0e3c150286f0000000000000000000000000000000000000000000000000000000000000046"
    }
}

/convertbasetokentowraptoken

Converts base token to wrap token. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Starknet, Base, and zkSync.

POST https://api.expand.network/fungibletoken/convertbasetokentowraptoken

Request Body

Name

Type

Description

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", 
    "gas": "2307200",
    "chainId": "1",
    "amount":"10"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0xa",
        "gas": "2307200",
        "data": "0xd0e30db0"
    }
}

With gasPriority:

{
    "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2", 
    "gas": "2307200",
    "gasPriority":"medium",
    "chainId": "1",
    "amount":"10"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xDeBB1a42a27051FD18d6d6C2055A44d330A4D80a",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0xa",
        "gas": "31058",
        "data": "0xd0e30db0"
    }
}

/convertwraptokentobasetoken

Converts wrap token to base token. Currently available on Ethereum, Binance Smart Chain, Avalanche, Polygon, Cronos, Arbitrum, Fantom, Optimism, Starknet, Base, and zkSync.

POST https://api.expand.network/fungibletoken/convertwraptokentobasetoken

Request Body

Name

Type

Description

{
    "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "5", 
    "gas": "2307200",
    "chainId": "1"
}

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0x63056E00436Da25BcF48A40dfBbDcc7089351006",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "2307200",
        "data": "0x2e1a7d4d0000000000000000000000000000000000000000000000000000000000000005"
    }
}

With gasPriority(medium):

{
    "from": "0xE4c0ddb2695415466be83f2A99b44b043CB55590",
    "tokenAddress":"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
    "amount": "100000000000",
    "gas": "2307200",
    "gasPriority":"medium",
    "chainId": "1"
}

With gasPriority:

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "1",
        "from": "0xE4c0ddb2695415466be83f2A99b44b043CB55590",
        "to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
        "value": "0",
        "gas": "43189",
        "data": "0x2e1a7d4d000000000000000000000000000000000000000000000000000000174876e800"
    }
}