eth_sendPrivateTransaction

{
"jsonrpc": "2.0",
"id": "1",
"method": "eth_sendPrivateTransaction",
"params": [
{
tx, // Signed raw tx hex
maxBlockNumber, // (Optional) String, a hex-encoded string representing the block number of the last block in which the transaction should be included
}
]

CURL example

curl -s --data '{"jsonrpc": "2.0","id": "1","method": "eth_sendPrivateTransaction","params": [{"tx": "0x12…ab"}]}' -H "Content-Type: application/json" -X POST https://rpc.titanbuilder.xyz

Response example

{"result":200,"error":null,"id":1}