telegram auto poster

can you please suggest me how to do automation like this https://t.me/Vmodders telegram. I am not sure how to search for bot like this they are using api and auto poster bot's for automation. They are just sending file and it uploaded that file to remote server and create short link and share...

I need an tool to program automatic responses mainly in groups on the telegram, and for contacts who call me on dm, some bot that responds with my profile

Hi guys, I need to post messages to a number of Telegram Groups automatically. What's the best bot for that? Thanks for your help in advance!