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POST
/
v1
/
wallets
/
{id}
/
signing
/
message
Master Wallet Message
curl --request POST \
  --url https://api.blockradar.co/v1/wallets/{id}/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": { "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": "2024-10-22T10:57:33.465Z", "derivationPath": "m/44'/501'/0'", "id": "196badf5-380f-4480-ab4a-d0e4304e91f0", "isActive": true, "isEvmCompatible": false, "isL2": false, "name": "solana", "networkFeeModel": "native", "slug": "solana", "symbol": "sol", "tokenStandard": null, "updatedAt": "2024-11-26T13:04:13.951Z" }, "chainId": null, "confirmations": null, "confirmed": true, "createdAt": "2026-03-02T11:09:44.137Z", "createdChannel": "dashboard", "currency": "USD", "fee": null, "feeHash": null, "feeUSD": null, "gasFee": null, "gasPrice": null, "gasUsed": null, "hash": "5bfTmhezuvaceHBbQqfsZewsg9JLEwgFTws9r1XxcVougFKx3QG7jKU7sWJqaWXvvXCoFQkqkm5taUyvkFRwpaCj", "id": "b4d7b006-1156-4152-a50b-3d8583679456", "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": "DiikCme9VyoW9W7DpbXzmKVfSQhynn3g6j6VXcnCr2gH", "reference": "4TWtqR6V14sljfQA8Ncy", "senderAddress": "DiikCme9VyoW9W7DpbXzmKVfSQhynn3g6j6VXcnCr2gH", "signedTransaction": { "signature": "5bfTmhezuvaceHBbQqfsZewsg9JLEwgFTws9r1XxcVougFKx3QG7jKU7sWJqaWXvvXCoFQkqkm5taUyvkFRwpaCj" }, "status": "SUCCESS", "toAmount": null, "toCurrency": null, "tokenAddress": null, "type": "SIGNED", "updatedAt": "2026-03-02T11:09:44.137Z", "wallet": { "address": "DiikCme9VyoW9W7DpbXzmKVfSQhynn3g6j6VXcnCr2gH", "configurations": { "addresses": { "isActive": true, "prefunding": { "assets": [ { "alwaysMaintain": true, "amount": "4", "blockchain": "solana", "createdAt": "2025-09-02T11:50:53.807Z", "currency": "USD", "id": "17b48f89-ab7e-4962-a0cc-df5b7b5486b2", "isActive": true, "name": "Solana Network Fee Funding", "symbol": "SOL", "updatedAt": "2025-09-02T11:50:53.807Z" } ], "isActive": true } } }, "createdAt": "2024-11-05T07:47:40.388Z", "derivationPath": "m/44'/501'/0'/0'", "description": "This is Solana Testnet Wallet", "id": "f8d8e16f-af6f-4707-9ea9-2075eefd95eb", "isActive": true, "name": "Solana Wallet", "network": "testnet", "status": "ACTIVE", "updatedAt": "2025-09-02T11:50:53.812Z" } }, "message": "Message signed successfully", "statusCode": 200 }

Authorizations

​
x-api-key
string
header
required

Path Parameters

​
id
string
required
Example:

"YOUR_WALLET_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

​
data
object
​
message
string
Example:

"Message signed successfully"

​
statusCode
number
Example:

200