Schedule Telegram channel posts. Where attaching an image shrinks your budget fourfold.

Two limits, one field

Most platforms have one character budget. Telegram has two, and which one applies depends on whether you attached anything:

Post type	Characters
Text message	4,096
Message with media	1,024

The exact values are in the table above, rendered from the rules the publisher enforces.

This is a genuinely annoying trap in tools that only model one limit per platform. You write 3,000 characters, attach an image because the post looks bare, and the publish fails — or worse, the caption is silently truncated. The counter here switches the moment you attach media, so the constraint is visible while you can still act on it.

Bot token, not OAuth

Telegram does not do an OAuth hop for this. You create a bot, make it an admin of your channel, and paste its token.

The practical upsides: it works on a machine with no browser, and revoking is entirely in your hands — regenerate the token or remove the bot and access is gone immediately, whatever Postonus has stored.

Good company for Discord

Telegram and Discord tend to be the same job — a community that wants the detailed version of an announcement, at the same time as the public post rather than whenever someone remembers. Both are worth putting in the same channel group as your public channels so a launch is one action.