---
schema: rendered-html/v1
title: "Reaction | Developer Portal for YouTrack and Hub Documentation"
source_url: https://www.jetbrains.com/help/youtrack/devportal/api-entity-Reaction.html
generated_at: 2026-06-11T14:54:19.220221+00:00
---

Feedback

Thanks for your feedback!

Was this page helpful?

YesNo

Developer Portal for YouTrack and Hub

- Developer Portal
- Apps
- MCP Tools
- YouTrack Workflows
- YouTrack Import Scripts
- YouTrack Form API
- YouTrack REST API
- Get Started with REST API
- REST API Reference
- Entities
- AccessScope
- ActivityCategory
- ActivityCursorPage
- ActivityItem
- Agile
- AgileColumn
- AgileSharingSettings
- AgileStatus
- AppearanceSettings
- ArticleAttachment
- ArticleComment
- AssignedRole
- BackupError
- BackupFile
- BackupStatus
- BaseArticle
- BaseWorkItem
- Bundle
- BundleElement
- ChangesProcessor
- ColorCoding
- ColumnSettings
- CommandList
- CommandVisibility
- CustomField
- CustomFieldCondition
- CustomFieldDefaults
- DatabaseAttributeValue
- DatabaseBackupSettings
- DateFormatDescriptor
- DuplicateVote
- DurationValue
- EmailSettings
- Event
- ExternalArticle
- ExternalIssue
- FieldStyle
- FieldType
- FilterField
- GeneralUserProfile
- GlobalSettings
- GlobalTimeTrackingSettings
- Issue
- IssueAttachment
- IssueComment
- IssueCountResponse
- IssueCustomField
- IssueFolder
- IssueKey
- IssueLink
- IssueLinkType
- IssueTimeTracking
- IssueVoters
- IssueWatcher
- IssueWatchers
- License
- LocaleDescriptor
- LocaleSettings
- Logo
- NotificationSettings
- NotificationsUserProfile
- OnlineUsers
- Organization
- ParsedCommand
- PeriodFieldFormat
- PeriodValue
- Permission
- ProjectColor
- ProjectCustomField
- ProjectTimeTrackingSettings
- PullRequest
- PullRequestChange
- [PullRequestState](jetbrains__com__help__youtrack__devportal__api-entity-pullrequeststate.md)
- [Reaction](api-entity-Reaction.html)
- [RestCorsSettings](jetbrains__com__help__youtrack__devportal__api-entity-restcorssettings.md)
- [Role](jetbrains__com__help__youtrack__devportal__api-entity-role.md)
- [SearchSuggestions](jetbrains__com__help__youtrack__devportal__api-entity-searchsuggestions.md)
- Sprint
- SprintsSettings
- StorageEntry
- Suggestion
- SwimlaneSettings
- SwimlaneValue
- SystemSettings
- TagSharingSettings
- Telemetry
- TextFieldValue
- TimeTrackingUserProfile
- TimeZoneDescriptor
- User
- UserGroup
- UserProfiles
- UserType
- VcsChange
- VcsServer
- Visibility
- WIPLimit
- WatchFolderSharingSettings
- WorkItemAttribute
- WorkItemAttributePrototype
- WorkItemAttributeValue
- WorkItemProjectAttribute
- WorkItemType
- WorkTimeSettings
- Resources
- REST API Use Cases
- REST API Troubleshooting
- Color Indices List
- Hub REST API

1. YouTrack REST API
2. REST API Reference
3. Entities
4. [Reaction](#0)

# Reaction﻿

Last modified: 21 April 2026

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`. |

- [Reaction](/help/youtrack/devportal/api-entity-Reaction.html)
- [Attributes](/help/youtrack/devportal/api-entity-Reaction.html#nbk1m1_3)

[PullRequestState](jetbrains__com__help__youtrack__devportal__api-entity-pullrequeststate.md)[RestCorsSettings](jetbrains__com__help__youtrack__devportal__api-entity-restcorssettings.md)

- Privacy & Security
- Terms Of Use
- Trademarks
- Legal

Copyright © 2000–2026 JetBrains s.r.o.
