Telegram Share Button in HTML

index.html

<!--
  This is a simple URL share button for Telegram application.
  It's compatible with iOS/Android app, Telegram Desktop and uses its web mode for fallback.
-->

<a href="https://t.me/share/url?url={url_to_share}&text={caption_text}&to={phone_number}">
  Share Me
</a>

<!--
  Just replace {url_to_share}, {caption_text} and {phone_number} with your desired values.
  Note that {caption_text} and {phone_number} are optional. You can remove those query parameters.

  A working example:
  <a href="https://t.me/share/url?url=http://amirreza.in&text=Find me here!">
    Share Me
  </a>

  You can use both https://t.me and https://telegram.me as base URL.
-->