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POST
/
v1
/
wallets
/
{id}
/
signing
/
broadcast
Master Wallet Broadcast Transaction
curl --request POST \
  --url https://api.blockradar.co/v1/wallets/{id}/signing/broadcast \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "transaction": "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...",
  "reference": "jupiter-swap-broadcast-001",
  "metadata": {
    "source": "jupiter"
  }
}
'
{
  "statusCode": 200,
  "message": "Transaction signed and broadcast initiated",
  "data": {
    "id": "f3efdbaa-a1f8-4365-b3b4-768413c9a92b",
    "reference": "docs-test-broadcast",
    "senderAddress": "HKqZUT3wuyJrsPYmrYPcGduDdjXZTggbLrNsF9WHMvbw",
    "recipientAddress": "HKqZUT3wuyJrsPYmrYPcGduDdjXZTggbLrNsF9WHMvbw",
    "hash": "5bKNw9RX8aXkrK1VEHg5aPa1xtckpShPyenSRET4mUBXh5uCkWLFV5MhGRi4cMACDJvFn6VfkoKb75Pk4KYw6xtw",
    "confirmed": false,
    "status": "PENDING",
    "type": "SIGNED",
    "createdChannel": "api",
    "reason": "Transaction signed and broadcast",
    "network": "testnet",
    "chainId": 103,
    "metadata": null,
    "signedTransaction": "AeWpW65y80rSu+TU0CSrcvFNovyDiybKRjSskCpfffAFLM0GIYzx...",
    "amount": null,
    "amountUSD": "0.00",
    "fee": null,
    "feeUSD": null,
    "currency": "USD",
    "createdAt": "2026-03-19T13:35:09.921Z",
    "updatedAt": "2026-03-19T13:35:09.921Z",
    "wallet": {
      "id": "c72a6f21-6ab5-48ad-9f99-fd90a2d6d311",
      "name": "Solana Testnet Wallet",
      "address": "HKqZUT3wuyJrsPYmrYPcGduDdjXZTggbLrNsF9WHMvbw",
      "isActive": true,
      "status": "ACTIVE",
      "network": "testnet"
    },
    "asset": null,
    "blockchain": {
      "id": "196badf5-380f-4480-ab4a-d0e4304e91f0",
      "name": "solana",
      "symbol": "sol",
      "slug": "solana",
      "isEvmCompatible": false,
      "tokenStandard": null
    },
    "beneficiary": null
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.blockradar.co/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
x-api-key
string
header
required

Path Parameters

​
id
string
required
Example:

"YOUR_WALLET_ID"

Body

application/json
​
transaction
string
required

The serialized unsigned transaction. Base64 for Solana, JSON string for EVM and Tron.

Example:

"AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA..."

​
reference
string

Your internal tracking ID.

Example:

"jupiter-swap-broadcast-001"

​
metadata
object

Custom key-value pairs stored with the transaction record.

Example:
{ "source": "jupiter" }

Response

Transaction signed and broadcast initiated

​
statusCode
number
Example:

200

​
message
string
Example:

"Transaction signed and broadcast initiated"

​
data
object