---
title: "Create a reply thread"
method: POST
path: "/bot{token}/createReplyThread"
tags: ["Bot"]
---

# Create a reply thread

`POST /bot{token}/createReplyThread`

Creates or returns the reply thread anchored to one message.

## Path parameters

- `token` string, required

## Headers

- `authorization` string

## Request body

- CreateReplyThreadInput — Creates or returns the reply thread anchored to a message.
  - `chat_id` integer, required — A positive Inline chat identifier
  - `message_id` integer, required — A positive Inline message identifier
  - `title` string
  - `emoji` string
  - `participants` UserId[]

## Response `200`

Successful normal or reply-thread creation response.

- BotCreateThreadSuccess — unresolved $ref

## Other responses

- `400` — The request parameters are missing or invalid.
- `401` — The bot token is missing or invalid.
- `403` — The bot is not allowed to perform this action.
- `404` — The requested method or resource was not found.
- `500` — The server could not complete the request.

## Changes

- **2026-08-28** `69017b8dc5fe` — 2 warning, 8 info
  - added the new `group_mention` enum value to the `result/allOf[#/components/schemas/BotCreateThreadResult]/chat/last_message/allOf[#/components/schemas/BotChatLastMessage]/entities/items/type` response property for the response status `200`
  - added the new `text_mention` enum value to the `result/allOf[#/components/schemas/BotCreateThreadResult]/chat/last_message/allOf[#/components/schemas/BotChatLastMessage]/entities/items/type` response property for the response status `200`
  - added the optional property `result/allOf[#/components/schemas/BotCreateThreadResult]/chat/last_message/allOf[#/components/schemas/BotChatLastMessage]/entities/items/agent_id` to the response with the `200` status
  - added the optional property `result/allOf[#/components/schemas/BotCreateThreadResult]/chat/last_message/allOf[#/components/schemas/BotChatLastMessage]/entities/items/group_id` to the response with the `200` status
  - …6 more
- …earlier changes not shown

[Full history](https://skmtc.dev/inline/apis/inline-bot-http-api-docs/changes/bot:token/createReplyThread/post.md)

---

[API](https://skmtc.dev/inline/apis/inline-bot-http-api-docs.md) · [All operations](https://skmtc.dev/inline/apis/inline-bot-http-api-docs/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/inline/inline-bot-http-api-docs/revisions/69017b8dc5fe/schema)