Live Captions (legacy)

Legacy caption service for existing caption customers. No longer offered to new customers.

Live Captions is a legacy service and is no longer offered to new customers. Existing caption customers keep full access, and this page stays as a reference for them. For free captions on any stream, use TikTok native captions: the caption event on the standard LIVE WebSocket.

What is this?

Live Captions was a paid transcription and translation service for TikTok LIVE streams, delivered over a dedicated WebSocket. It is kept running for existing caption customers only. New customers cannot sign up for it.

WebSocket reference

Message types and client commands for the caption WebSocket.

SDK reference

The TikTokCaptions client in the Node.js and Python SDKs.

Quick Example

import WebSocket from 'ws';

const ws = new WebSocket(
  'wss://api.tik.tools/captions?uniqueId=streamer&apiKey=YOUR_KEY&translate=en&max_duration_minutes=120'
);

ws.on('message', (data) => {
  const msg = JSON.parse(data.toString());
  if (msg.type === 'caption') console.log(msg.text);
  if (msg.type === 'translation') console.log(msg.text);
});