> For the complete documentation index, see [llms.txt](https://solpay-docs.solblaze.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://solpay-docs.solblaze.org/reference/sdk-reference/broadcast-serialized-transaction.md).

# broadcastSerializedTransaction

```javascript
(async() => {
    let broadcasted_tx = await SOLPay.broadcastSerializedTransaction([...]); // {"signature": "..."}
})();
```

### Parameters:

* serialized\_transaction: Uint8Array - the serialized, signed transaction to broadcast, which can be obtained through the `signTransaction` method ([signTransaction](/reference/sdk-reference/sign-transaction.md))

### Returns:

object (`{"signature": "..."}`) - the transaction details

* signature: string (`"..."`) - the signature of the transaction

### Throws:

* `SOL Pay SDK Fatal Error: Invalid serialized transaction ${serialized_transaction}.` - an invalid serialized transaction was used
* `SOL Pay SDK Fatal Error: No connection found. Use SOLPay.connectNetwork() to connect to the Solana network.` - could not find a connection to the Solana network
* `SOL Pay SDK Fatal Error: SOL Pay SDK Fatal Error: Unable to broadcast transaction.` - was not able to broadcast the transaction