# send(_:path:) Send a JSON-RPC request and return the raw response data. ``` func send(_ request: JSONRPCRequest, path: String?) async throws -> Data ``` ## Parameters `request` The JSON-RPC request to send. `path` An optional path suffix (e.g., `/wallet/` for wallet RPCs). ## Return Value The raw response data from the Bitcoin node. ## Discussion> Throws: A transport-level error (network failure, bridge unavailable, etc.).