Building a Telegram Bot with AWS API Gateway and AWS Lambda

This video demonstrate making a simple serverless Telegram bot that can shorten a Long URL, using AWS API Gateway and AWS Lambda.

Prerequisite:
-----------------------
In-depth intuition on Webhooks-Push-Styled API with Hands-On Demo
https://youtu.be/l-9D7kyymMg
Build a Github Webhook handler with API Gateway & AWS Lambda
https://youtu.be/r5hrcaqbqL8

Documentation for cleanuri API:
--------------------------------------------------------
https://cleanuri.com/docs

To Steup Webhook for Telegram Bot:
-------------------------------------------------------------------
https://api.telegram.org/bot{HTTP Token}/setWebhook

Code:
-----------------

import json
import requests

def lambda_handler(event, context):
print(event)
try:
body=json.loads(event['body'])

print(body)


message_part=body['message'].get('text')
print("Message part : {}".format(message_part))

data = {'url': message_part}

payload=requests.post('https://cleanuri.com/api/v1/shorten',data=data)
short_url=payload.json()['result_url']
print("The short url is : {}".format(short_url))

chat_id=body['message']['chat']['id']

url = f'https://api.telegram.org/bot{HTTP Token}/sendMessage'
payload = {
'chat_id': chat_id,
'text': short_url
}

r = requests.post(url,json=payload)

return {
"statusCode": 200
}
except:
return {
"statusCode": 200
}


Check this playlist for more Data Engineering related videos:
https://youtube.com/playlist?list=PLjfRmoYoxpNopPjdACgS5XTfdjyBcuGku

Snowflake Complete Course from scratch with End-to-End Project with in-depth explanation--
https://doc.clickup.com/37466271/d/h/13qc4z-104/d4346819bd8d510

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