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A minimal WordPress plugin to embed Telegram posts, channels, and groups using oEmbed.
<h3>External services</h3>
This plugin connects to Telegram’s oEmbed endpoint to retrieve and display Telegram posts, channels, and groups within WordPress. 
When embedding Telegram content, requests are sent to Telegram servers to fetch the necessary data. 
No personal information is transmitted unless required by Telegram’s API. 
For more information, see the official Telegram website: https://telegram.org and review their privacy policy and terms of service https://telegram.org/privacy/

oEmbed Widget for Telegram Posts

Embed Telegram posts, channels, and groups in WordPress automatically with responsive oEmbed support.

iTRON

This plugin allows to send Contact Form 7 messages to your Telegram-chat. For this you need to make several simple steps.
<ol>
<li>Create the Telegram-Bot and save the Bot-Token parameter on the settings page Contact Form 7 – CF7 Telegram or to <code>WPFC7TG_BOT_TOKEN</code> constant.</li>
<li>Paste the shortcode <code>[telegram]</code> in your contact form template for activate sending to Telegram.</li>
</ol>
Now you can to add users or group to subscriber list. 
To add a user send the <code>/cf7tg_start</code> command to your bot. 
To add a group add your bot to the group and send the <code>/cf7tg_start</code> command to your group.
After this, you will see the requests on the Contact Form 7 – CF7 Telegram settings page. Approve or decline them.
<h4>Hooks and constants</h4>
Filter <code>wpcf7tg_skip_tg</code>. 
Use for skipping sending message.
Filter <code>wpcf7tg_markdown</code>. 
Use for customizing markdown tag set.
Constant <code>WPFC7TG_BOT_TOKEN</code>. 
Use for define the bot token value in the program files.
This plugin uses <a href="https://core.telegram.org/api" title="Telegram docs" rel="nofollow ugc">API Telegram</a> and makes remote HTTP-requests to Telegram servers for sending your notifications.

Contact Form 7 + Telegram

The best plugin to connect your CF7 form to Telegram. This is a lightweight plugin that also parse your HTML tags into markdown to format well done the output messages. 

Good job! 

A lightweight plugin to connect CF7 to Telegram

This plugin allows to post CF7-messages to you through Telegram-bot. Just use shortcode [telegram] in your CF7-form.

oEmbed Widget for Telegram Posts vs Contact Form 7 + Telegram