Starknet

/getbalance

Get the balance or number of the given token in the requested public address.

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

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
address*	String	The public address to get the balance of.
tokenAddress	String	The address of token to get the balance of.

Sample Request

https://api.expand.network/chain/getbalance/?address=0x002eb24d4fda7c0e4473c091da3bc0b2dfd1622d3d8334d0f5e921587aaeb01f&chainId=400

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "balance": "35689118110967661"
    }
}

/getblock

Get details of a block.

GET https://api.expand.network/chain/getblock

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
blockNumber*	String	The block number or block hash.

Sample Request

https://api.expand.network/chain/getblock/?chainId=400&blockNumber=164639

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "difficulty": null,
        "gasLimit": null,
        "gasUsed": null,
        "hash": "0x4ab1311e8211aac585ea106f54a38fda9d6d9f82df3c12d6768475bb47daa7a",
        "miner": null,
        "nonce": null,
        "number": "164639",
        "parentHash": "0x64ff22f43e22bee32e857b2dd59c389b6bd451cb53404b631602d2c8077cc03",
        "size": null,
        "timestamp": "1692600243",
        "totalDifficulty": null,
        "transactions": [
            {
                "calldata": [
                    "0x2",
                    "0x23c72abdf49dffc85ae3ede714f2168ad384cc67d08524732acea90df325",
                    "0x219209e083275171774dab1df80982e9df2096516f06319c5c6d71ae0a8480c",
                    "0x5d5495a5d59cdc0f45ca6dbefda525866910eb800530d47e75cc7a3b2becc87",
                    "0x64e5aa92"
                ],
                "max_fee": "0x29ceb1c7616e4",
                "nonce": "0x45",
                "sender_address": "0x5d5495a5d59cdc0f45ca6dbefda525866910eb800530d47e75cc7a3b2becc87",
                "signature": [
                    "0x65b5b3bf40d98a50c1c8419f731fc560ca91419e22cc817c79c581d6a8bd2a9",
                    "0x6a35a25f9e123029f8f8e235d9a1559dba46b358f71951615dda91de636cbc6"
                ],
                "transaction_hash": "0x5c750d63ca77fc87c8770e7c95d06feb6cf6518f2538804eb9d9328f71c2101",
                "type": "INVOKE",
                "version": "0x1"
            }            
        ],
        "transactionsRoot": null,
        "uncles": null
    }
}

/getstorage

Get data stored in the given slot.

GET https://api.expand.network/chain/getstorage

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
address*	String	Contract address whose storage is needed.
index	String	Slot index on the smart contract. By default, it is taken as 0.

Sample Request

https://api.expand.network/chain/getstorage?address=0x02d6150113d899d8c9de05990974c115dd532bc4dbc71bde85210410b9b30ae5&chainId=400

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "data": "0x0"
    }
}

/gettransaction

Get details of a transaction.

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

Query Parameters

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
transactionHash*	String	The transaction hash.

Sample Request

https://api.expand.network/chain/gettransaction?transactionHash=0x03916ca8924008be74ccdaebf8214704ebec30b2ca433dd29a4a7ebe91ab9243&chainId=400

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "hash": "0x03916ca8924008be74ccdaebf8214704ebec30b2ca433dd29a4a7ebe91ab9243",
        "transactionStatus": "ACCEPTED_ON_L2",
        "blockNumber": 164636,
        "timestamp": null,
        "from": "0x7b1c654512354ef5447f8646ac20af60111f015612a57b1bfac21dee33b4907",
        "to": null,
        "value": null,
        "transactionFees": "182195480376306",
        "gas": "274000000000000",
        "gasPrice": null,
        "input": null,
        "nonce": "26",
        "network": null
    }
}

/sendtransaction

Send transaction on the chain.

POST https://api.expand.network/chain/sendtransaction

Request Body

Name	Type	Description
rpc	String	Remote procedural call URL.
chainId*	String	Refer to the Chain ID page for details.
chainSymbol	String	Refer to the Chain ID page for details.
rawTransaction*	String	The encoded transaction, obtained from the signed transaction.

Sample Request

{
    "chainId": "400",
    "rawTransaction": "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"
}

Sample Response

{
    "status": 200,
    "msg": "success",
    "data": {
        "chainId": "400",
        "transactionHash": "0x8375c5eedd17609292cecc051c18e180fa970b32a77011c48d3725e45e46e7b3" 
    }
}