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Redis · Command

XACK

XACK removes processed messages from a stream consumer group's Pending Entries List. It returns how many message IDs were successfully acknowledged.

Last updated

Since
5.0.0

Syntax

XACK key group id [id ...]

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

Subscribe
  • XREADGROUP
  • XCLAIM
  • XPENDING

Source: XACK. Checked 2026-11-03.