The limit for all attachments when sending from CRM chat is 10 MB.
The following restrictions apply when sending an attachment from the Wazzup widget and mobile app:
The maximum size of an attachment is 50 MB.
WABA
Documents .pdf, .do*, .xl, .ppt, .sx*, .od* — 100 MB;
Images .jpeg, .jpg, .png — 5 MB;
Audio .aac, .mp4, .amr, .mpeg — 16 MB;
Voice messages .ogg; codecs=opus — 16 MB;
Video .mp4, .3gpp – 16 MB. Only the H.264 video codec and AAC audio codec are supported. Only videos with a single audio stream are supported.
Instagram API
Only text and images can be sent to direct: jpg, png, ico, bmp — 8 MB.
You can only reply to a comment with a text message. Messages with attached documents, photos, video and audio files will not be sent.
Telegram
Documents .pdf, .zip, .gif — 20 MB;
Images .jpeg, .jpg, .png — 5 MB;
Audio .mp3, .m4a — 20 MB;
Voice messages .ogg — 1 MB, if more than 1 MB, the voice message is sent as a file;
Video .mp4 — 20 MB.
Telegram text message length should not exceed 4096 characters, but captions to attachments should not exceed 1024 characters.