---
schema: rendered-html/v1
title: "Reactions | Developer Portal for YouTrack and Hub Documentation"
source_url: https://www.jetbrains.com/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html
generated_at: 2026-06-11T15:12:45.008001+00:00
---

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1. YouTrack REST API
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5. [Sub-resources](#0)
6. [Issue Comments](jetbrains__com__help__youtrack__devportal__resource-api-issues-issueid-comments.md)
7. [Sub-resources](#0)
8. [Reactions](#0)

# Reactions﻿

Last modified: 21 April 2026

This resource lets you work with reactions to an issue comment.

| Resource | ``` /api/issues/{issueID}/comments/{commentID}/reactions ``` |
| --- | --- |
| Returned entity | Reaction. For the description of the entity attributes, see [Supported Fields](/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html#Reaction-supported-fields) section. |
| Supported methods | - `GET`: [Read a List of Reactions](/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html#get_all-Reaction-method). - `POST`: [Add a New Reaction](/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html#create-Reaction-method). |

## Reaction attributes﻿

Represents a reaction to a comment in YouTrack added by a user.

### Attributes﻿

This table describes attributes of the `Reaction` entity.

- To receive an attribute in the response from the server, specify it explicitly in the `fields` request parameter.
- To update an attribute, provide it in the body of a POST request.

| Field | Type | Description |
| --- | --- | --- |
| id | String | The ID of the reaction. `Read-only`. |
| author | User | The user who put the reaction. `Can be null`. |
| reaction | String | The reaction identifier used in API requests and responses.  Currently supported reaction names include `yes`, `thanks`, `thumbs-up`, `thumbs-down`, `strong`, `clapping`, `ok`, `congratulations`, `glad`, `worry`, `grimacing`, `grinning`, `joy`, `tongue-out`, `saint`, `cool`, `surprised`, `sleepy`, `relieved`, `scared`, `sick`, `tired`, `tears`, `wink`, `nerd`, `crossed-fingers`, `waiting`, `thank-you`, `fist`, `raised-hand`, `wave`, `rock`, `mind-blown`, `cat-in-love`, `scared-cat`, `rocket`, `teddybear`, `red-heart`, `no`, `question`, `100`, `eyes`, `plus-one`, `minus-one`, `comment`, `okay`, and `zero` through `nine`.  `Can be null`. |

## Read a List of Reactions﻿

Get all accessible reactions to the specific issue comment.

### Required permissions﻿

Requires permissions: Read Issue, Read Issue Comment

### Request syntax﻿

GET /api/issues/{issueID}/comments/{commentID}/reactions?{fields}&{$top}&{$skip}

| null | The database ID of Reaction |
| --- | --- |

### Request parameters﻿

| Parameter | Type | Description |
| --- | --- | --- |
| fields | String | A list of Reaction attributes that should be returned in the response. If no field is specified, only the `entityID` is returned. |
| $skip | Int | Optional. Lets you set a number of returned entities to skip before returning the first one. |
| $top | Int | Optional. Lets you specify the maximum number of entries that are returned in the response. If you don't set the $top value, the server limits the maximum number of returned entries.  The server returns a maximum of 42 entries for most resources that return collections. For more information, see Pagination. |

### Sample﻿

#### Sample request﻿

https://example.youtrack.cloud/api/issues/NP-154/comments/4-17/reactions?fields=id,author(login),reaction

#### Sample response body﻿

[
  {
    "author": {
      "login": "jane.doe",
      "$type": "User"
    },
    "reaction": "thanks",
    "id": "334-0",
    "$type": "Reaction"
  },
  {
    "author": {
      "login": "minnie.terry",
      "$type": "User"
    },
    "reaction": "thumbs-up",
    "id": "334-1",
    "$type": "Reaction"
  }
]

## Add a New Reaction﻿

Add a new reaction to a comment with a specific ID.

Required fields: `reaction`.

### Required permissions﻿

Requires permissions: Read Issue, Read Issue Comment

### Request syntax﻿

POST /api/issues/{issueID}/comments/{commentID}/reactions?{fields}

| null | The database ID of Reaction |
| --- | --- |

### Request parameters﻿

| Parameter | Type | Description |
| --- | --- | --- |
| fields | String | A list of Reaction attributes that should be returned in the response. If no field is specified, only the `entityID` is returned. |

### Sample﻿

#### Sample request﻿

https://example.youtrack.cloud/api/issues/NP-154/comments/4-17/reactions?fields=id,author(login),reaction

#### Sample request body﻿

{
  "author": {
    "login": "minnie.terry",
    "id": "24-0",
    "$type": "User"
  },
  "reaction": "thanks"
}

#### Sample response body﻿

{
  "author": {
    "login": "minnie.terry",
    "$type": "User"
  },
  "reaction": "thanks",
  "id": "334-0",
  "$type": "Reaction"
}

- [Reactions](/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html)
- [Reaction attributes](/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html#Reaction-supported-fields)
- [Read a List of Reactions](/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html#get_all-Reaction-method)
- [Add a New Reaction](/help/youtrack/devportal/resource-api-issues-issueID-comments-commentID-reactions.html#create-Reaction-method)

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