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POST
/
v1
/
wallets
/
{id}
/
addresses
/
{addressId}
/
signing
/
message
Child Address Message
curl --request POST \
  --url https://api.blockradar.co/v1/wallets/{id}/addresses/{addressId}/signing/message \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "message": "I am verifying ownership of the wallet address 0x... as customer cust_123. This message was signed on 2026-03-03 to confirm my control over this wallet.",
  "metadata": "OPTIONAL_METADATA",
  "note": "OPTIONAL_NOTE"
}
'
{
  "data": {
    "address": {
      "address": "0x88922E6BA19C0676E46522111102D5eC26b33702",
      "configurations": {
        "aml": {
          "message": "Address is not sanctioned",
          "provider": "ofac, fbi, tether, circle",
          "status": "success"
        },
        "autoSettlement": {
          "isActive": false,
          "rules": []
        },
        "disableAutoSweep": false,
        "enableGaslessWithdraw": false,
        "showPrivateKey": false
      },
      "createdAt": "2026-02-12T12:51:42.689Z",
      "derivationPath": "m/44'/60'/0'/0/49",
      "id": "68a0eb35-9d3a-4d9e-8a4c-10b1a57c3b80",
      "isActive": true,
      "metadata": null,
      "name": null,
      "network": "testnet",
      "type": "INTERNAL",
      "updatedAt": "2026-02-12T12:51:42.689Z"
    },
    "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": "2024-05-14T11:53:33.095Z",
      "derivationPath": "m/44'/60'/0'/0",
      "id": "85ffc132-3972-4c9e-99a5-5cf0ccb688bf",
      "isActive": true,
      "isEvmCompatible": true,
      "isL2": false,
      "name": "ethereum",
      "networkFeeModel": "native",
      "slug": "ethereum",
      "symbol": "eth",
      "tokenStandard": "ERC20",
      "updatedAt": "2024-11-26T13:04:13.936Z"
    },
    "chainId": 11155111,
    "confirmations": null,
    "confirmed": true,
    "createdAt": "2026-03-02T11:41:46.464Z",
    "createdChannel": "dashboard",
    "currency": "USD",
    "fee": null,
    "feeHash": null,
    "feeUSD": null,
    "gasFee": null,
    "gasPrice": null,
    "gasUsed": null,
    "hash": "0xe7e84b6b03bf075fa43a3fc87a5418683944852ad9238f202d86c18493c5211d7d8c7d22edbcb144bcd296cf57c4fb091afeb6215473f01b84026ceef9e9188d1c",
    "id": "81379b62-aeef-4658-a0c5-bc70150c67d7",
    "isAutoSweep": false,
    "metadata": null,
    "network": "testnet",
    "note": null,
    "processingProviderReference": null,
    "processingReason": null,
    "processingStatus": "PENDING",
    "rate": null,
    "rateUSD": "0.00",
    "reason": "I am verifying ownership of the wallet address 0x... as customer cust_123. This message was signed on 2026-03-03 to confirm my control over this wallet.",
    "recipientAddress": "0x88922E6BA19C0676E46522111102D5eC26b33702",
    "reference": "i2FBaizevHMqy56jy9Ft",
    "senderAddress": "0x88922E6BA19C0676E46522111102D5eC26b33702",
    "signedTransaction": {
      "r": "0xe7e84b6b03bf075fa43a3fc87a5418683944852ad9238f202d86c18493c5211d",
      "s": "0x7d8c7d22edbcb144bcd296cf57c4fb091afeb6215473f01b84026ceef9e9188d",
      "signature": "0xe7e84b6b03bf075fa43a3fc87a5418683944852ad9238f202d86c18493c5211d7d8c7d22edbcb144bcd296cf57c4fb091afeb6215473f01b84026ceef9e9188d1c",
      "v": 28
    },
    "status": "SUCCESS",
    "toAmount": null,
    "toCurrency": null,
    "tokenAddress": null,
    "type": "SIGNED",
    "updatedAt": "2026-03-02T11:41:46.464Z",
    "wallet": {
      "address": "0xC887a3Cb8E7AbA4A77D7275AD4B242f71cbd5446",
      "configurations": null,
      "createdAt": "2024-05-15T06:09:24.777Z",
      "derivationPath": "m/44'/60'/0'/0/0",
      "description": "Yooooo",
      "id": "3f9aca5c-38ee-4e1d-ab67-c084a2e37bb2",
      "isActive": true,
      "name": "updated wallet yeah",
      "network": "testnet",
      "status": "ACTIVE",
      "updatedAt": "2025-08-18T22:36:21.156Z"
    }
  },
  "message": "Message 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
​
message
string
Example:

"I am verifying ownership of the wallet address 0x... as customer cust_123. This message was signed on 2026-03-03 to confirm my control over this wallet."

​
metadata
string
Example:

"OPTIONAL_METADATA"

​
note
string
Example:

"OPTIONAL_NOTE"

Response

200 - application/json

200 - Solana / 200 - Tron / 200 - EVM

​
data
object
​
message
string
Example:

"Message signed successfully"

​
statusCode
number
Example:

200