How to get photo in real size (not thumb) from telegram?

Question

I am using getFile() and then download photo with a link like https://api.telegram.org/file/bot/. But I received only his thumbnails

Answer 1

The photo object you receive from Telegram contains an array with the file_id of different sizes. The higher the index, the bigger the size, so you just need to pick the right file_id .

It could look like this:

[{
    "file_id":"AgADBAADxxxx",
    "file_size":19374,
    "width":253,
    "height":320
},{
    "file_id":"AgADBAACxxxx",
    "file_size":75657,
    "width":632,
    "height":800
}]