Document

This object represents a general file (as opposed to photos, voice messages and audio files). ↗

6 fields, 2 required.

Fields

file_id string Required
Identifier for this file, which can be used to download or reuse the file.

file_unique_id string Required
Unique identifier for this file, which is supposed to be the same over time and for different bots. Can’t be used to download or reuse the file.

thumbnail PhotoSize
Document thumbnail as defined by the sender.

file_name string
Original filename as defined by the sender.

mime_type string
MIME type of the file as defined by the sender.

file_size number
File size in bytes. It can be bigger than 2^31 and some programming languages may have difficulty/silent defects in interpreting it. But it has at most 52 significant bits, so a signed 64-bit integer or double-precision float type are safe for storing this value.