Schedule posts to Viber channels
In Ukraine, Bulgaria, Greece and the Philippines, Viber is the messenger - and a Viber channel reaches every subscriber, no algorithm in between. Crosspost publishes to your channel through Viber's official Channels Post API, on the same calendar as everything else you post.
Connect Viber in three steps
- In the Viber app, open your channel, tap Edit, then Developer Tools, and copy the channel's authentication token (you need to be the channel's superadmin).
- In Crosspost, open Channels, choose Viber, and paste the token.
- Compose once, tick Viber next to your other platforms, and publish now or drop it on the calendar.
What you can post
Text posts (up to 7000 characters) and image posts (JPEG with a caption up to 768 characters - Viber's own limits, handled automatically).
Reach that arrives, every time
Channel posts go to all subscribers - a Viber channel is one of the few remaining audiences you fully own. Scheduling keeps it warm without you being online.
The official API, your token
Publishing runs through Viber's own Channels Post API with a token you copied from your channel's Developer Tools - revocable there at any moment, no third-party middleman.
A channel most schedulers ignore
Buffer, Hootsuite, Postiz and Post Bridge do not post to Viber at all. If your audience lives in a Viber-first country, this is an edge, not an afterthought.
Frequently asked questions
Who appears as the sender of scheduled posts?
The channel itself - Viber shows the channel's name and icon on API posts, exactly like posts made by hand.
Do I need to create a bot?
No. Viber channels have a built-in Developer Tools section with an authentication token - copy it, paste it, done. You must be the channel's superadmin.
What are the content limits?
Viber allows 7000 characters for text posts and 768 for image captions; images are delivered as JPEG up to 1 MB (we convert and compress automatically).
How much does it cost?
The free plan includes 7 posts a week across your connected accounts, no credit card. Paid plans start at $29/month with unlimited posting.