Authorizations
Path Parameters
Example:
"YOUR_WALLET_ID"
API Documentation
Master Wallet
Address
Withdraw
Swap
Custom Smart Contracts
Asset Management
Transactions
AML(Anti Money Laundering)
Auto Settlements
- GETMaster Wallet
- PATCHMaster Wallet Update
- GETMaster Wallet Get Rules
- GETMaster Wallet Get Rule
- POSTMaster Wallet Create Rule
- PATCHMaster Wallet Update Rule
- DELMaster Wallet Delete Rule
- GETChild Address
- PATCHChild Address Update
- GETChild Address Get Rules
- GETChild Address Get Rule
- POSTChild Address Create Rule
- PATCHChild Address Update Rule
- DELChild Address Delete Rule
Gateway
Beneficiaries
Payment Links
Asset Recovery
Miscellaneous
Master Wallet Typed data
Copy
curl --request POST \
--url https://api.blockradar.co/v1/wallets/{id}/signing/typed-data \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '{
"domain": {
"chainId": 11155111,
"name": "USD Coin",
"verifyingContract": "0xa0b86a33e6441b8c4c8c0c077bcdd28571685701",
"version": "2"
},
"message": {
"deadline": "1641081600",
"nonce": "0",
"owner": "0x742d35cc6634c0532925a3b8d4c9db96c4b4d8b6",
"spender": "0x8ba1f109551bd432803012645aac136c4c8c8c0c",
"value": "1000000000"
},
"types": {
"Permit": [
{
"name": "owner",
"type": "address"
},
{
"name": "spender",
"type": "address"
},
{
"name": "value",
"type": "uint256"
},
{
"name": "nonce",
"type": "uint256"
},
{
"name": "deadline",
"type": "uint256"
}
]
}
}'Copy
{
"data": {
"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": {
"createdAt": "2024-05-14T21:53:33.095Z",
"derivationPath": "m/44'/60'/0'/0",
"id": "85ffc132-3972-4c9e-99a5-5cf0ccb688bf",
"isActive": true,
"isEvmCompatible": true,
"isL2": false,
"name": "ethereum",
"slug": "ethereum",
"symbol": "eth",
"tokenStandard": "ERC20",
"updatedAt": "2024-11-26T23:04:13.936Z"
},
"chainId": null,
"confirmations": null,
"confirmed": true,
"createdAt": "2025-10-07T22:58:08.766Z",
"createdChannel": "dashboard",
"currency": "USD",
"fee": null,
"feeHash": null,
"gasFee": null,
"gasPrice": null,
"gasUsed": null,
"hash": "0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e21335aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b31b",
"id": "770f9100-7338-4823-b1ce-3658fc67db09",
"metadata": null,
"network": "testnet",
"note": null,
"rate": null,
"rateUSD": "0.00",
"reason": null,
"recipientAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"reference": "OznFZsh1SMlTBgUaEpM",
"senderAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"signedTransaction": {
"r": "0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e2133",
"s": "0x5aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b3",
"signature": "0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e21335aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b31b",
"v": 27
},
"status": "SUCCESS",
"toAmount": null,
"toCurrency": null,
"tokenAddress": null,
"type": "SIGNED",
"updatedAt": "2025-10-07T22:58:08.766Z",
"wallet": {
"address": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"configurations": {
"addresses": {
"isActive": true,
"prefunding": {
"isActive": true,
"rules": []
}
},
"autoSettlement": {
"isActive": true,
"rules": [
{
"createdAt": "2025-09-10T14:41:12.126Z",
"destination": {
"address": "0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22",
"asset": "USDC",
"blockchain": "ethereum"
},
"id": "fb841522-ac48-41f5-ab77-9744571b9c46",
"isActive": true,
"isGateway": false,
"name": "Settle to an external address ",
"order": "RECOMMENDED",
"slippageTolerance": "5",
"source": {
"assets": [
"USDC"
],
"blockchain": "ethereum",
"maxAmount": "10000",
"minAmount": "1"
},
"updatedAt": "2025-09-10T14:41:12.126Z"
}
]
}
},
"createdAt": "2024-08-22T19:48:56.322Z",
"derivationPath": "m/44'/60'/0'/0/0",
"description": "This is ethereum testnet master wallet",
"id": "d236a191-c1d4-423c-a439-54ce6542ca41",
"isActive": true,
"name": "Ethereum Master Wallet",
"network": "testnet",
"status": "ACTIVE",
"updatedAt": "2025-09-15T23:06:08.009Z"
}
},
"message": "Typed data signed successfully",
"statusCode": 200
}Signing
Master Wallet Typed data
This endpoint allows you to sign typed data for a specific wallet identified by its ID. Supports all EIP-712 standards including EIP-3009, EIP-2612, and custom typed data structures.
Request Body
Domain Object
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| domain.name | string | ✅ | Contract or dApp name | ”Blockradar” |
| domain.version | string | ✅ | Version of the domain | ”1” |
| domain.chainId | number | ✅ | Blockchain chain ID | 1 |
| domain.verifyingContract | string | ✅ | Contract address | ”0xa0b86a33e6441b8c4c8c0c077bcdd28571685701” |
| domain.salt | string | ❌ | Optional domain salt (EIP-712 v4) | “0x1234…” |
Types Object
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| types | object | ✅ | EIP-712 type definitions | See examples below |
Message Object
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| message | object | ✅ | Data to be signed | See examples below |
POST
/
v1
/
wallets
/
{id}
/
signing
/
typed-data
Master Wallet Typed data
Copy
curl --request POST \
--url https://api.blockradar.co/v1/wallets/{id}/signing/typed-data \
--header 'Content-Type: application/json' \
--header 'x-api-key: <api-key>' \
--data '{
"domain": {
"chainId": 11155111,
"name": "USD Coin",
"verifyingContract": "0xa0b86a33e6441b8c4c8c0c077bcdd28571685701",
"version": "2"
},
"message": {
"deadline": "1641081600",
"nonce": "0",
"owner": "0x742d35cc6634c0532925a3b8d4c9db96c4b4d8b6",
"spender": "0x8ba1f109551bd432803012645aac136c4c8c8c0c",
"value": "1000000000"
},
"types": {
"Permit": [
{
"name": "owner",
"type": "address"
},
{
"name": "spender",
"type": "address"
},
{
"name": "value",
"type": "uint256"
},
{
"name": "nonce",
"type": "uint256"
},
{
"name": "deadline",
"type": "uint256"
}
]
}
}'Copy
{
"data": {
"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": {
"createdAt": "2024-05-14T21:53:33.095Z",
"derivationPath": "m/44'/60'/0'/0",
"id": "85ffc132-3972-4c9e-99a5-5cf0ccb688bf",
"isActive": true,
"isEvmCompatible": true,
"isL2": false,
"name": "ethereum",
"slug": "ethereum",
"symbol": "eth",
"tokenStandard": "ERC20",
"updatedAt": "2024-11-26T23:04:13.936Z"
},
"chainId": null,
"confirmations": null,
"confirmed": true,
"createdAt": "2025-10-07T22:58:08.766Z",
"createdChannel": "dashboard",
"currency": "USD",
"fee": null,
"feeHash": null,
"gasFee": null,
"gasPrice": null,
"gasUsed": null,
"hash": "0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e21335aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b31b",
"id": "770f9100-7338-4823-b1ce-3658fc67db09",
"metadata": null,
"network": "testnet",
"note": null,
"rate": null,
"rateUSD": "0.00",
"reason": null,
"recipientAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"reference": "OznFZsh1SMlTBgUaEpM",
"senderAddress": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"signedTransaction": {
"r": "0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e2133",
"s": "0x5aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b3",
"signature": "0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e21335aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b31b",
"v": 27
},
"status": "SUCCESS",
"toAmount": null,
"toCurrency": null,
"tokenAddress": null,
"type": "SIGNED",
"updatedAt": "2025-10-07T22:58:08.766Z",
"wallet": {
"address": "0x947514e4B803e312C312da0F1B41fEDdbe15ae7a",
"configurations": {
"addresses": {
"isActive": true,
"prefunding": {
"isActive": true,
"rules": []
}
},
"autoSettlement": {
"isActive": true,
"rules": [
{
"createdAt": "2025-09-10T14:41:12.126Z",
"destination": {
"address": "0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22",
"asset": "USDC",
"blockchain": "ethereum"
},
"id": "fb841522-ac48-41f5-ab77-9744571b9c46",
"isActive": true,
"isGateway": false,
"name": "Settle to an external address ",
"order": "RECOMMENDED",
"slippageTolerance": "5",
"source": {
"assets": [
"USDC"
],
"blockchain": "ethereum",
"maxAmount": "10000",
"minAmount": "1"
},
"updatedAt": "2025-09-10T14:41:12.126Z"
}
]
}
},
"createdAt": "2024-08-22T19:48:56.322Z",
"derivationPath": "m/44'/60'/0'/0/0",
"description": "This is ethereum testnet master wallet",
"id": "d236a191-c1d4-423c-a439-54ce6542ca41",
"isActive": true,
"name": "Ethereum Master Wallet",
"network": "testnet",
"status": "ACTIVE",
"updatedAt": "2025-09-15T23:06:08.009Z"
}
},
"message": "Typed data signed successfully",
"statusCode": 200
}⌘I