Telegram node: add button Style + Custom Emoji Icon support (InlineKeyboardButton / KeyboardButton)

Feature Requests Nodes
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1

The idea is:

Expose Telegram Bot API 9.4 button enhancements in n8n’s Telegram node UI:

  • style (danger/success/primary) to change button color
  • icon_custom_emoji_id to show a custom emoji icon before button text

My use case:

I build Telegram bots with inline keyboards. I want “styled” buttons (success/danger) and custom emoji icons without building raw reply_markup JSON via HTTP Request nodes.

Why it should be added:

  • Telegram officially supports these button features (Bot API 9.4)
  • Makes Telegram node UX closer to what advanced bots need
  • Avoids manual JSON construction and reduces errors
  • Keeps workflows maintainable and readable

Proposed UI/UX:

In Reply Markup → Inline Keyboard (and Reply Keyboard):

  • Add optional per-button fields:
    • Style: default / danger / success / primary (expression-capable)
    • Custom Emoji Icon ID: icon_custom_emoji_id (expression-capable)
  • Only include these fields in the API payload if set.

Acceptance criteria:

  • Supported across Telegram node operations that accept reply_markup
  • Correct serialization to Telegram API structures (InlineKeyboardButton, KeyboardButton)
  • Backwards compatible default behavior
  • Docs updated

Resources:

  • Telegram Bot API docs (InlineKeyboardButton / KeyboardButton: style, icon_custom_emoji_id)
2

I support the author of this idea. Dear developers, please add color options and emojis for the buttons. It is very inconvenient to send messages to Telegram via http requests.

3

Agreed, so annoying to use “http request” nodes for these new features