{
  "schema_version": 2,
  "id": "commands/topk.incrby",
  "title": "TOPK.INCRBY",
  "url": "https://redis.io/docs/latest/commands/topk.incrby/",
  "summary": "Increases the count of one or more items by increment",
  "since": "2.0.0",
  "tags": [
    "docs",
    "develop",
    "stack",
    "oss",
    "rs",
    "rc",
    "oss",
    "kubernetes",
    "clients"
  ],
  "last_updated": "2026-09-18T09:48:54+01:00",
  "page_type": "content",
  "content_hash": "c1f8425b4c63ce4af4eeb857c89e26f0d6c6247eef05f5f0c055e5243313810d",
  "sections": [
    {
      "id": "overview",
      "title": "Overview",
      "role": "overview",
      "text": "Increase the score of an item in the data structure by `increment`. \nMultiple items' scores can be increased at once.\nIf an item enters the Top-K list, the item that is expelled (if any) is returned."
    },
    {
      "id": "required-arguments",
      "title": "Required arguments",
      "role": "content",
      "text": "<details open><summary><code>key</code></summary>\n\nthe name of the sketch.\n\n</details>\n\n<details open><summary><code>item increment [item increment ...]</code></summary>\n\nOne or more item-increment pairs. Each `item` is incremented by its corresponding `increment`. The `increment` must be greater than or equal to 1 and less than or equal to 100,000 to avoid server freeze.\n\n</details>"
    },
    {
      "id": "examples",
      "title": "Examples",
      "role": "example",
      "text": "[code example]"
    },
    {
      "id": "redis-software-and-redis-cloud-compatibility",
      "title": "Redis Software and Redis Cloud compatibility",
      "role": "content",
      "text": "| Redis<br />Software | Redis<br />Cloud | <span style=\"min-width: 9em; display: table-cell\">Notes</span> |\n|:----------------------|:-----------------|:------|\n| <span title=\"Supported\">&#x2705; Supported</span><br /> | <span title=\"Supported\">&#x2705; Flexible & Annual</span><br /><span title=\"Supported\">&#x2705; Free & Fixed</nobr></span> |  |"
    },
    {
      "id": "return-information",
      "title": "Return information",
      "role": "returns",
      "text": "**RESP2:**\n\nOne of the following:\n\n* [Array](https://redis.io/docs/latest/develop/reference/protocol-spec#arrays) of [bulk string replies](https://redis.io/docs/latest/develop/reference/protocol-spec#bulk-strings) containing either dropped elements or [nil (null bulk string)](https://redis.io/docs/latest/develop/reference/protocol-spec#bulk-strings).\n* [Simple error reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-errors) in these cases: incorrect number of arguments, non-existant key, key of the incorrect type, or an incorrect increment (less than 0 or greater than 100,000).\n\n**RESP3:**\n\nOne of the following:\n\n* [Array](https://redis.io/docs/latest/develop/reference/protocol-spec#arrays) of [bulk string replies](https://redis.io/docs/latest/develop/reference/protocol-spec#bulk-strings) containing either dropped elements or [null](https://redis.io/docs/latest/develop/reference/protocol-spec#nulls).\n* [Simple error reply](https://redis.io/docs/latest/develop/reference/protocol-spec#simple-errors) in these cases: incorrect number of arguments, non-existant key, key of the incorrect type, or an incorrect increment (less than 0 or greater than 100,000)."
    }
  ],
  "examples": [
    {
      "id": "examples-ex0",
      "language": "plaintext",
      "code": "redis> TOPK.INCRBY topk foo 3 bar 2 42 30\n1) (nil)\n2) (nil)\n3) foo",
      "section_id": "examples"
    }
  ]
}