Child Address 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}/addresses/{addressId}/signing/typed-data

Try it

Child Address Typed data

cURL

curl --request POST \
  --url https://api.blockradar.co/v1/wallets/{id}/addresses/{addressId}/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"
      }
    ]
  }
}
'

200

EIP-2612

{
  "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
}

Authorizations

x-api-key · string · header · required

Path Parameters

id · string · required

Example:

"YOUR_WALLET_ID"

addressId · string · required

Example:

"ADDRESS_OR_ID"

Body

application/json

domain · object

Show child attributes

domain. chainId · number

Example:

11155111

domain. name · string

Example:

"USD Coin"

domain. verifyingContract · string

Example:

"0xa0b86a33e6441b8c4c8c0c077bcdd28571685701"

domain. version · string

Example:

"2"

message · object

Show child attributes

message. deadline · string

Example:

"1641081600"

message. nonce · string

Example:

"0"

message. owner · string

Example:

"0x742d35cc6634c0532925a3b8d4c9db96c4b4d8b6"

message. spender · string

Example:

"0x8ba1f109551bd432803012645aac136c4c8c8c0c"

message. value · string

Example:

"1000000000"

types · object

Show child attributes

types. Permit · object[]

Show child attributes

types.Permit. name · string

Example:

"owner"

types.Permit. type · string

Example:

"address"

Example:

[
  { "name": "owner", "type": "address" },
  { "name": "spender", "type": "address" },
  { "name": "value", "type": "uint256" },
  { "name": "nonce", "type": "uint256" },
  { "name": "deadline", "type": "uint256" }
]

Response

200 - application/json

EIP-712 / EIP-3009 / EIP-2612

data · object

Show child attributes

data. amlScreening · object

data. amount · unknown

data. amountPaid · unknown

data. amountUSD · string

Example:

"0.00"

data. asset · unknown

data. assetSwept · unknown

data. assetSweptAmount · unknown

data. assetSweptAt · unknown

data. assetSweptGasFee · unknown

data. assetSweptHash · unknown

data. assetSweptRecipientAddress · unknown

data. assetSweptSenderAddress · unknown

data. blockHash · unknown

data. blockNumber · unknown

data. blockchain · object

Show child attributes

data.blockchain. createdAt · string

Example:

"2024-05-14T21:53:33.095Z"

data.blockchain. derivationPath · string

Example:

"m/44'/60'/0'/0"

data.blockchain. id · string

Example:

"85ffc132-3972-4c9e-99a5-5cf0ccb688bf"

data.blockchain. isActive · boolean

Example:

true

data.blockchain. isEvmCompatible · boolean

Example:

true

data.blockchain. isL2 · boolean

Example:

false

data.blockchain. name · string

Example:

"ethereum"

data.blockchain. slug · string

Example:

"ethereum"

data.blockchain. symbol · string

Example:

"eth"

data.blockchain. tokenStandard · string

Example:

"ERC20"

data.blockchain. updatedAt · string

Example:

"2024-11-26T23:04:13.936Z"

data. chainId · unknown

data. confirmations · unknown

data. confirmed · boolean

Example:

true

data. createdAt · string

Example:

"2025-10-07T22:58:08.766Z"

data. createdChannel · string

Example:

"dashboard"

data. currency · string

Example:

"USD"

data. fee · unknown

data. feeHash · unknown

data. gasFee · unknown

data. gasPrice · unknown

data. gasUsed · unknown

data. hash · string

Example:

"0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e21335aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b31b"

data. id · string

Example:

"770f9100-7338-4823-b1ce-3658fc67db09"

data. metadata · unknown

data. network · string

Example:

"testnet"

data. note · unknown

data. rate · unknown

data. rateUSD · string

Example:

"0.00"

data. reason · unknown

data. recipientAddress · string

Example:

"0x947514e4B803e312C312da0F1B41fEDdbe15ae7a"

data. reference · string

Example:

"OznFZsh1SMlTBgUaEpM"

data. senderAddress · string

Example:

"0x947514e4B803e312C312da0F1B41fEDdbe15ae7a"

data. signedTransaction · object

Show child attributes

data.signedTransaction. r · string

Example:

"0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e2133"

data.signedTransaction. s · string

Example:

"0x5aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b3"

data.signedTransaction. signature · string

Example:

"0xdb095e6cbf235d630cee43e0953e60c351e46897bc4e65abfce3e975810e21335aa3918399dac1e01badb2dc8c59c171e65d0c328c92737de702da9d76b889b31b"

data.signedTransaction. v · number

Example:

27

data. status · string

Example:

"SUCCESS"

data. toAmount · unknown

data. toCurrency · unknown

data. tokenAddress · unknown

data. type · string

Example:

"SIGNED"

data. updatedAt · string

Example:

"2025-10-07T22:58:08.766Z"

data. wallet · object

Show child attributes

data.wallet. address · string

Example:

"0x947514e4B803e312C312da0F1B41fEDdbe15ae7a"

data.wallet. configurations · object

Show child attributes

data.wallet.configurations. addresses · object

Show child attributes

data.wallet.configurations.addresses. isActive · boolean

Example:

true

data.wallet.configurations.addresses. prefunding · object

Show child attributes

data.wallet.configurations.addresses.prefunding. isActive · boolean

Example:

true

data.wallet.configurations.addresses.prefunding. rules · any[]

Example:

[]

data.wallet.configurations. autoSettlement · object

Show child attributes

data.wallet.configurations.autoSettlement. isActive · boolean

Example:

true

data.wallet.configurations.autoSettlement. rules · object[]

Show child attributes

data.wallet.configurations.autoSettlement.rules. createdAt · string

Example:

"2025-09-10T14:41:12.126Z"

data.wallet.configurations.autoSettlement.rules. destination · object

Show child attributes

data.wallet.configurations.autoSettlement.rules.destination. address · string

Example:

"0x2455eC6700092991Ce0782365A89d5Cd89c8Fa22"

data.wallet.configurations.autoSettlement.rules.destination. asset · string

Example:

"USDC"

data.wallet.configurations.autoSettlement.rules.destination. blockchain · string

Example:

"ethereum"

data.wallet.configurations.autoSettlement.rules. id · string

Example:

"fb841522-ac48-41f5-ab77-9744571b9c46"

data.wallet.configurations.autoSettlement.rules. isActive · boolean

Example:

true

data.wallet.configurations.autoSettlement.rules. isGateway · boolean

Example:

false

data.wallet.configurations.autoSettlement.rules. name · string

Example:

"Settle to an external address "

data.wallet.configurations.autoSettlement.rules. order · string

Example:

"RECOMMENDED"

data.wallet.configurations.autoSettlement.rules. slippageTolerance · string

Example:

"5"

data.wallet.configurations.autoSettlement.rules. source · object

Show child attributes

data.wallet.configurations.autoSettlement.rules.source. assets · string[]

Example:

["USDC"]

data.wallet.configurations.autoSettlement.rules.source. blockchain · string

Example:

"ethereum"

data.wallet.configurations.autoSettlement.rules.source. maxAmount · string

Example:

"10000"

data.wallet.configurations.autoSettlement.rules.source. minAmount · string

Example:

"1"

data.wallet.configurations.autoSettlement.rules. updatedAt · string

Example:

"2025-09-10T14:41:12.126Z"

Example:

[
  {
    "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"
  }
]

data.wallet. createdAt · string

Example:

"2024-08-22T19:48:56.322Z"

data.wallet. derivationPath · string

Example:

"m/44'/60'/0'/0/0"

data.wallet. description · string

Example:

"This is ethereum testnet master wallet"

data.wallet. id · string

Example:

"d236a191-c1d4-423c-a439-54ce6542ca41"

data.wallet. isActive · boolean

Example:

true

data.wallet. name · string

Example:

"Ethereum Master Wallet"

data.wallet. network · string

Example:

"testnet"

data.wallet. status · string

Example:

"ACTIVE"

data.wallet. updatedAt · string

Example:

"2025-09-15T23:06:08.009Z"

message · string

Example:

"Typed data signed successfully"

statusCode · number

Example:

200