---
title: "Create a reaction"
method: POST
path: "/api/v4/reactions"
tags: ["reactions"]
---

# Create a reaction

`POST /api/v4/reactions`

Create a reaction.
##### Permissions
Must have `read_channel` permission for the channel the post is in.

## Request body

- 38cb7293Reaction
  - `user_id` string — The ID of the user that made this reaction
  - `post_id` string — The ID of the post to which this reaction was made
  - `emoji_name` string — The name of the emoji that was used for this reaction
  - `create_at` integer — The time in milliseconds this reaction was made

## Response `201`

Reaction creation successful

- 38cb7293Reaction
  - `user_id` string — The ID of the user that made this reaction
  - `post_id` string — The ID of the post to which this reaction was made
  - `emoji_name` string — The name of the emoji that was used for this reaction
  - `create_at` integer — The time in milliseconds this reaction was made

## Other responses

- `400` — Invalid or missing parameters in URL or request body
- `403` — Do not have appropriate permissions

---

[API](https://skmtc.dev/infomaniak/apis/api-reference-developer-tools.md) · [All operations](https://skmtc.dev/infomaniak/apis/api-reference-developer-tools/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/infomaniak/api-reference-developer-tools/revisions/667aae28fec6/schema)