> ## Documentation Index > Fetch the complete documentation index at: https://docs.nanoforge.eu/llms.txt > Use this file to discover all available pages before exploring further. # network-client API > API reference for the client networking package # network-client API ## TCPClient ### connect() Initiate a WebSocket connection to the server, for example `ws://:`. Returns: `Promise` ### isConnected() Return `true` when the underlying WebSocket is open. Returns: `boolean` ### sendData(data) Send a payload to the server. Parameter `data`: `Uint8Array` raw payload bytes. Returns: `void` ### getReceivedPackets() Return an array of complete packets that were reassembled from received chunks. Returns: `Uint8Array[]` ## UDPClient ### connect() Open a WebSocket for signaling, create an `RTCPeerConnection`, and initiate an SDP offer. Returns: `Promise` ### isConnected() Return `true` when the `RTCDataChannel` is open. Returns: `boolean` ### sendData(data) Send a payload on the data channel. Parameter `data`: `Uint8Array` raw payload bytes. Returns: `void` ### getReceivedPackets() Return an array of complete packets reassembled from received data-channel chunks. Returns: `Uint8Array[]`