v1
latestOpenAPI 3.0.32026-07-26184851.6 MBSmart Contract
Child Address Write
This API provides endpoints for interacting with smart contracts on the blockchain. It allows for executing contract functions.
Request Body
The request body should be in raw format and include the following parameters:
| Parameter | Type | Required | Description |
|---|---|---|---|
| address | string | Yes | The address of the contract. |
| method | string | Yes | The method to be called on the contract. |
| parameters | array | Yes | An array of parameters to pass to the method. |
| abi | array | Yes | An array containing the ABI of the contract or method. |
post/v1/wallets/{walletId}/addresses/{addressId}/contracts/write
Request body
Example request
{
"calls": [
{
"abi": [
{
"constant": false,
"inputs": [
{
"name": "_to",
"type": "address"
},
{
"name": "_value",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
}
],
"address": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"method": "transfer",
"parameters": [
"0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22",
"10000"
]
},
{
"abi": [
{
"constant": false,
"inputs": [
{
"name": "_to",
"type": "address"
},
{
"name": "_value",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
}
],
"address": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"method": "transfer",
"parameters": [
"0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22",
"10000"
]
}
]
}Response
Ethereum / Tron / Ethereum (Batch) / Tron (Batch)
Example response
{
"data": {
"blockchain": {
"createdAt": "2024-05-14T17:53:33.106Z",
"derivationPath": "m/44'/60'/0'/0",
"id": "b80d3d5e-16f1-4d99-be5e-6dfcd27f89aa",
"isActive": true,
"isEvmCompatible": true,
"logoUrl": "https://res.cloudinary.com/blockradar/image/upload/v1716800080/crypto-assets/bnb-bnb-logo_e4qdyk.png",
"name": "BNB smart chain",
"slug": "bnb-smart-chain",
"symbol": "bnb",
"tokenStandard": "BEP20",
"updatedAt": "2024-11-26T19:04:13.941Z"
},
"createdAt": "2025-01-15T21:17:24.013Z",
"errors": [],
"id": "42e94af1-1b8c-47fd-9250-276a3c8a3a71",
"network": "testnet",
"reason": "{\"method\":\"transfer\",\"parameters\":[\"0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22\",\"100000\"],\"abi\":{\"constant\":false,\"inputs\":[{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}}",
"recipientAddress": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"senderAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"status": "PENDING",
"success": [
{
"amlScreening": {},
"amount": null,
"amountPaid": null,
"amountUSD": "0.00",
"asset": null,
"assetSwept": null,
"assetSweptAmount": null,
"assetSweptAt": null,
"assetSweptGasFee": null,
"assetSweptHash": null,
"assetSweptRecipientAddress": null,
"assetSweptSenderAddress": null,
"blockHash": null,
"blockNumber": null,
"blockchain": {
"configurations": null,
"createdAt": "2024-05-14T17:53:33.106Z",
"derivationPath": "m/44'/60'/0'/0",
"id": "b80d3d5e-16f1-4d99-be5e-6dfcd27f89aa",
"isActive": true,
"isEvmCompatible": true,
"isL2": false,
"name": "BNB smart chain",
"networkFeeModel": "native",
"slug": "bnb-smart-chain",
"symbol": "bnb",
"tokenStandard": "BEP20",
"updatedAt": "2024-11-26T20:04:13.941Z"
},
"chainId": null,
"confirmations": null,
"confirmed": false,
"createdAt": "2026-01-11T23:29:12.163Z",
"createdChannel": "dashboard",
"currency": "USD",
"fee": null,
"feeHash": null,
"feeUSD": null,
"gasFee": null,
"gasPrice": null,
"gasUsed": null,
"hash": null,
"id": "b16a014f-da18-435a-9639-3359e0e02fd6",
"isAutoSweep": false,
"metadata": {
"batchIndex": 0,
"batchTotal": 2
},
"network": "testnet",
"note": "Method: transfer | Contract Address: 0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"rate": null,
"rateUSD": "0.00",
"reason": "{\"method\":\"transfer\",\"parameters\":[\"0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22\",\"10000\"],\"abi\":{\"constant\":false,\"inputs\":[{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}}",
"recipientAddress": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"reference": "QTfxp7WlKWB1CTohQoO",
"senderAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"signedTransaction": null,
"status": "PENDING",
"toAmount": null,
"toCurrency": null,
"tokenAddress": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"type": "CUSTOM_SMART_CONTRACT",
"updatedAt": "2026-01-11T23:29:12.163Z",
"wallet": {
"address": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"configurations": {
"addresses": {
"isActive": true,
"prefunding": {
"isActive": true,
"rules": []
}
},
"autoSettlement": {
"isActive": true,
"rules": []
},
"autoSweeping": {
"isActive": true
},
"withdrawal": {
"gasless": {
"isActive": true
}
}
},
"createdAt": "2024-08-22T15:29:11.387Z",
"derivationPath": "m/44'/60'/0'/0/0",
"description": "This is BNB smart chain testnet master wallet",
"id": "4465468a-3c36-4536-918a-91d689e18a74",
"isActive": true,
"name": "BNB Smart Chain",
"network": "testnet",
"status": "ACTIVE",
"updatedAt": "2025-09-13T02:02:44.110Z"
}
},
{
"amlScreening": {},
"amount": null,
"amountPaid": null,
"amountUSD": "0.00",
"asset": null,
"assetSwept": null,
"assetSweptAmount": null,
"assetSweptAt": null,
"assetSweptGasFee": null,
"assetSweptHash": null,
"assetSweptRecipientAddress": null,
"assetSweptSenderAddress": null,
"blockHash": null,
"blockNumber": null,
"blockchain": {
"configurations": null,
"createdAt": "2024-05-14T17:53:33.106Z",
"derivationPath": "m/44'/60'/0'/0",
"id": "b80d3d5e-16f1-4d99-be5e-6dfcd27f89aa",
"isActive": true,
"isEvmCompatible": true,
"isL2": false,
"name": "BNB smart chain",
"networkFeeModel": "native",
"slug": "bnb-smart-chain",
"symbol": "bnb",
"tokenStandard": "BEP20",
"updatedAt": "2024-11-26T20:04:13.941Z"
},
"chainId": null,
"confirmations": null,
"confirmed": false,
"createdAt": "2026-01-11T23:29:12.526Z",
"createdChannel": "dashboard",
"currency": "USD",
"fee": null,
"feeHash": null,
"feeUSD": null,
"gasFee": null,
"gasPrice": null,
"gasUsed": null,
"hash": null,
"id": "402dfdee-0282-40c9-ba76-6f35601c8f23",
"isAutoSweep": false,
"metadata": {
"batchIndex": 1,
"batchTotal": 2
},
"network": "testnet",
"note": "Method: transfer | Contract Address: 0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"rate": null,
"rateUSD": "0.00",
"reason": "{\"method\":\"transfer\",\"parameters\":[\"0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22\",\"10000\"],\"abi\":{\"constant\":false,\"inputs\":[{\"name\":\"_to\",\"type\":\"address\"},{\"name\":\"_value\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}}",
"recipientAddress": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"reference": "Kob7O3WokhVwFuhU1Iq",
"senderAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"signedTransaction": null,
"status": "PENDING",
"toAmount": null,
"toCurrency": null,
"tokenAddress": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"type": "CUSTOM_SMART_CONTRACT",
"updatedAt": "2026-01-11T23:29:12.526Z",
"wallet": {
"address": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"configurations": {
"addresses": {
"isActive": true,
"prefunding": {
"isActive": true,
"rules": []
}
},
"autoSettlement": {
"isActive": true,
"rules": []
},
"autoSweeping": {
"isActive": true
},
"withdrawal": {
"gasless": {
"isActive": true
}
}
},
"createdAt": "2024-08-22T15:29:11.387Z",
"derivationPath": "m/44'/60'/0'/0/0",
"description": "This is BNB smart chain testnet master wallet",
"id": "4465468a-3c36-4536-918a-91d689e18a74",
"isActive": true,
"name": "BNB Smart Chain",
"network": "testnet",
"status": "ACTIVE",
"updatedAt": "2025-09-13T02:02:44.110Z"
}
}
],
"tokenAddress": "0x337610d27c682E347C9cD60BD4b3b107C9d34dDd",
"type": "CUSTOM_SMART_CONTRACT",
"updatedAt": "2025-01-15T21:17:24.013Z",
"wallet": {
"address": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"business": {
"id": "4b96c271-35eb-45e8-b558-6a53f95df601",
"name": "Test One Inc"
},
"createdAt": "2024-08-22T15:29:11.387Z",
"derivationPath": "m/44'/60'/0'/0/0",
"description": "This is BNB smart chain testnet master wallet",
"id": "4465468a-3c36-4536-918a-91d689e18a74",
"isActive": true,
"name": "BNB smart chain Master Wallet",
"network": "testnet",
"status": "ACTIVE",
"updatedAt": "2024-10-30T13:11:56.221Z"
}
},
"message": "Contract write initiated successfully",
"statusCode": 200
}