Build Telegram Bots with JavaScript: The Complete Guide
Telegram is a cloud-based instant messaging app that provides API to developers to create bots that interact with users. This course aims to provide you with complete set of knowledge on how to build amazing Telegram Bots.
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In this course, you will be using JavaScript and NodeJS to create Telegram Bots using an EASY-TO-LEARN Modern Framework called Telegraf.
First you will be learning the basic bot functions where you will understand the fundamental building blocks of the framework.
Next we will learn how to build 7 different bots, each focusing on a specific area that will allow you to familiarize yourself with the framework and Telegram Bot API.
The 7 Bots that you will build:
Echo Bot - Echos what you type, provides users with a help message, and has logging feature to log information into another chat.
Media Bot - Work with files like sending photos, Gifs, and documents from your computer, URL or File ID.
Simple API Bot - Invoke external APIs to send users a random fortune cookie, a random image of a cat, an image with a text message that you typed, get an image of a specific dog breed.
Facts Bot - Retrieve data from a Google Sheet and output it to the bot without using Google API.
Crypto Bot - Retrieves Cryptocurrency information and you will learn how to create interactive menus in your bot using custom keyboards.
Channel Bot - Uses RSS and Zapier to automatically send Instagram or Facebook posts into your channel, and this also works for any website that supports RSS.
Search Bot - Supports inline query so that anyone in any chat can send an inline query to the bot to search for images or Wikipedia pages.
Finally we will learn how to deploy our bot using the Serverless Architecture with AWS Lambda and AWS API Gateway. The Serverless Architecture will allow your bot to scale automatically and you do not have to worry about it crashing when there are too many users. You also do not have to worry about managing your own server and it is also free and extremely cheap to host with AWS Lambda.
All the bot scripts and codes will be available for you to download and use to maximize your learning and gain the most from the course.
At the end of the course, you will know how to do simple logging into a group chat, send different types of files, use external API, read Google Sheets, create custom keyboards with interactive menus, handle inline queries, and automatically post content from websites like Instagram and Facebook into your channel and many more.
This course also gives you a good stepping stone for you to explore deeper into building more complex bots.
If you would like to see in detail what each bot does, you can check out the sections below.
- Telegram Account
- Basic JavaScript
- Beginners who are curious to create Telegram bots
- Anyone who want to create Telegram Bots with complex functions
- Anyone who wants to understand and learn Telegram Bot API
- Students who want to expand their portfolio with Telegram bots
What you'll learn:
- You will learn Telegraf Framework and Telegram Bot API
- Basic Bot Functions such as commands, middlewares, context shortcuts, and working with files
- Learn to implement advanced Telegram Bot API features such as custom keyboards, inline query, switch inline query
- Learn to create AWS Lambda Function with Layers
- Learn to use AWS API Gateway to create endpoints
- Deploy Telegram Bots with Serverless Architecture on AWS
- Learn to call External APIs and return the processed information to users with bots
- Learn various APIs such as Cryptocompare, Wiki, Pixabay, and Cat-as-a-service
- Learn to get data from Google Sheet using JSON
- Learn Best Practices when coding Telegram Bots such as making the code modular
- Learn to use RSS and Zapier to create an automatic Channel Posting Bot
- Learn about Polling and Webhooks
Watch Online Build Telegram Bots with JavaScript: The Complete Guide
| # | Title | Duration |
|---|---|---|
| 1 | Introduction | 02:38 |
| 2 | Installing NodeJS and Visual Studio Code | 01:56 |
| 3 | Setting Up Workspace | 01:11 |
| 4 | Set Up Nodejs Project | 03:05 |
| 5 | Installing Packages | 02:42 |
| 6 | Create Bot and Bot's Token | 02:33 |
| 7 | About Telegram API | 02:38 |
| 8 | Basic Functions Introduction | 01:55 |
| 9 | Constructor | 01:25 |
| 10 | Important Commands | 05:04 |
| 11 | Telegraf Context | 05:33 |
| 12 | Bot Command Method | 02:36 |
| 13 | Bot Hears Method | 02:58 |
| 14 | Bot On Method | 02:04 |
| 15 | Other Methods | 01:31 |
| 16 | Bot Use Method | 00:46 |
| 17 | About Middleware | 02:57 |
| 18 | Next Function | 01:00 |
| 19 | State | 02:24 |
| 20 | Context Shortcuts | 02:16 |
| 21 | Extra Parameters | 01:36 |
| 22 | Echo Bot Introduction | 00:58 |
| 23 | Echo Bot Set-Up | 01:51 |
| 24 | Start and Help Commands | 02:11 |
| 25 | Echo Functionality | 04:20 |
| 26 | Logging Functionality | 02:48 |
| 27 | Logging Functionality 2 | 04:15 |
| 28 | Log Information to Group Chat | 03:00 |
| 29 | Echo Bot Summary | 02:21 |
| 30 | Media Bot Introduction | 00:39 |
| 31 | Media Bot Set-Up | 01:23 |
| 32 | Working With Files | 05:03 |
| 33 | Send Methods | 01:01 |
| 34 | New York Command (Send Photo) | 00:52 |
| 35 | Reply To Message ID | 02:11 |
| 36 | Chat Action | 02:24 |
| 37 | Dubai Command (Send Gif/Animation) | 01:26 |
| 38 | Cities Command (Send Media Group) | 04:24 |
| 39 | List Command (Send Document) | 03:01 |
| 40 | Singapore Command (Send Location) | 00:57 |
| 41 | Get Download Link (Document) | 05:09 |
| 42 | Get Download Link (Photo) | 01:44 |
| 43 | Help Message | 01:41 |
| 44 | Simple API Bot Introduction | 00:59 |
| 45 | Simple API Bot Set-Up | 01:51 |
| 46 | Brief Introduction to HTTP | 01:53 |
| 47 | Fortune Cookie Command (Yerkee API) | 03:37 |
| 48 | Cat Command (Random Cat API) | 05:34 |
| 49 | Cat Command (Cat As A Service API) | 02:23 |
| 50 | Dog Breeds List Command | 03:20 |
| 51 | Dog Command (Exact Result) | 04:58 |
| 52 | Dog Command (Suggestions Filter) | 03:35 |
| 53 | Help Message | 01:45 |
| 54 | Markdown Style | 02:27 |
| 55 | Simple API Bot Summary | 03:21 |
| 56 | Facts Bot Introduction | 00:50 |
| 57 | Facts Bot Set-Up | 01:30 |
| 58 | Google Sheet Set-Up | 02:15 |
| 59 | Google Sheet JSON Link | 02:57 |
| 60 | Get Data Command | 04:59 |
| 61 | Fact Command | 05:20 |
| 62 | Update Command | 02:11 |
| 63 | Facts Bot Summary | 01:58 |
| 64 | Crypto Bot Introduction | 01:14 |
| 65 | Crypto Bot Set-Up | 01:35 |
| 66 | Inline Keyboard Markup | 05:13 |
| 67 | Handle Callback Query | 02:31 |
| 68 | Interactive Menu | 05:00 |
| 69 | Cryptocompare API Key | 00:58 |
| 70 | Start Message With Inline Keyboard | 03:36 |
| 71 | Price Message With Inline Keyboard | 03:08 |
| 72 | Back Button (Callback Query Handler) | 01:50 |
| 73 | Price Buttons (Callback Query Handlers) | 10:34 |
| 74 | Reply Keyboard Markup | 04:02 |
| 75 | Reply Keyboard Handlers | 01:15 |
| 76 | Remove Reply Keyboard | 04:26 |
| 77 | Channel Bot Introduction | 00:58 |
| 78 | Channel and Bot Set-Up | 01:05 |
| 79 | Understanding RSS | 02:44 |
| 80 | Get RSS from Instagram | 01:05 |
| 81 | Zapier - Create Trigger | 01:30 |
| 82 | Zapier - Create Action | 01:27 |
| 83 | Telegram Bot API | 02:22 |
| 84 | Zapier - Writing Fetch API | 03:22 |
| 85 | Get Channel Chat ID | 04:20 |
| 86 | Zapier - Setting InputData & Text Message | 02:08 |
| 87 | Remove Splash Text | 01:39 |
| 88 | Format Link (HTML Style) | 01:52 |
| 89 | Inline Keyboard Button | 01:56 |
| 90 | Switch On Zap! | 00:42 |
| 91 | Facebook - Create another Zap and RSS | 03:46 |
| 92 | Search Bot Introduction | 01:40 |
| 93 | Search Bot Set-Up and Enable Inline Mode | 02:16 |
| 94 | Inline Mode | 03:49 |
| 95 | Pixabay API | 01:34 |
| 96 | Handle Inline Query - Get data (Pixabay) | 04:35 |
| 97 | Handle Inline Query - Answer Query (Pixabay) | 05:46 |
| 98 | Caption & Markdown (Inline Keyboard) | 03:18 |
| 99 | Wikipedia API | 02:19 |
| 100 | Handle Inline Query - Get Data (Wiki) | 03:21 |
| 101 | Handle Inline Query - Answer Query (Wiki) | 03:49 |
| 102 | Switch Inline Query (Inline Keyboard) | 01:52 |
| 103 | Share Button | 03:19 |
| 104 | Enable Both Handlers | 04:30 |
| 105 | Switch Inline Query Current Chat (Inline Keyboard) | 01:17 |
| 106 | Start and Help Commands | 04:22 |
| 107 | Start and Help Inline Query | 04:24 |
| 108 | Set Placeholder with Botfather | 01:01 |
| 109 | Best Practices Introduction | 00:25 |
| 110 | Dotenv File Set-Up | 02:10 |
| 111 | Modular Folder Structure | 05:14 |
| 112 | Config File and Testing | 02:49 |
| 113 | Deployment Introduction | 00:25 |
| 114 | About AWS | 01:33 |
| 115 | Pricing (Lambda and API Gateway) | 01:03 |
| 116 | Polling Vs Webhooks | 01:21 |
| 117 | Polling Flow | 01:09 |
| 118 | Serverless Flow | 01:27 |
| 119 | Why Use Serverless? | 01:31 |
| 120 | Hosting Steps | 00:58 |
| 121 | Create Lambda Function | 00:59 |
| 122 | Create API Gateway Endpoint | 02:39 |
| 123 | Prepare Bot for Lambda - Code | 03:40 |
| 124 | Prepare Bot for Lambda - Layers (Node Modules) | 02:57 |
| 125 | Set Webhook (Bot Deployed) | 02:13 |
| 126 | Things to Take Note | 01:31 |
| 127 | Stop Webhook | 00:39 |
| 128 | Updating Bot | 01:22 |
| 129 | Delete Lambda and API Gateway | 01:03 |
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