The network broadcast API is available from the full node via websockets.
If you have not set up your websockets connection, please read this article.
broadcast_transaction(const signed_transaction &trx)¶
Broadcast a transaction to the network.
The transaction will be checked for validity in the local database prior to broadcasting. If it fails to apply locally, an error will be thrown and the transaction will not be broadcast.
The transaction to broadcast
broadcast_transaction_with_callback(confirmation_callback cb, const signed_transaction &trx)¶
this version of broadcast transaction registers a callback method that will be called when the transaction is included into a block. The callback method includes the transaction id, block number, and transaction number in the block.