Gate WebSocket Update : Delivery Contracts and BTC-M Perpetual Contracts Support the OBU Depth Channel

To enhance the availability of futures order book depth data, the obu channel on Gate Futures WebSocket will officially go live on June 25, 2026, 16:00 (UTC+8) , adding the following support:

Delivery Contracts

• Channel : futures.obu
• Update frequency : 20 levels at 20ms, 100 levels at 100ms
• URL: wss://fx-ws.gateio.ws/v4/ws/delivery/usdt
• Subscription : ["ob.BTC_USDT_20260925.20"], ["ob.BTC_USDT_20260925.100"]

BTC-M Perpetual Contracts

• Channel : futures.obu
• Update frequency : 50 levels at 20ms, 400 levels at 100ms
• URL : wss://fx-ws.gateio.ws/v4/ws/btc
• Subscription : ["ob.BTC_USD.50"], ["ob.BTC_USD.400"]

For details on integration and data specifications, please refer to the official documentation:

• Delivery Contracts API Docs : https://www.gate.com/docs/developers/delivery/ws/en/
• Perpetual Contracts API Docs : https://www.gate.com/docs/developers/futures/ws/en/

If you have any questions, please contact Gate Technical Support or refer to the API documentation.

Gate Team
June 24, 2026

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