Schedule posts to Mastodon: limits, media rules and setup
Mastodon is a social network. Publaro publishes there directly, with 500 characters per post, threads and the platform's own media rules checked for you.
Publaro publishes to Mastodon directly
Posts go to Mastodon through its official API, at the time you schedule them. If Mastodon does not answer after a post was sent, Publaro marks it "check needed" instead of sending it again, so a post never goes out twice.
Mastodon limits and media rules
These are the rules Publaro checks while you write, so a post is not rejected after you have scheduled it.
| Text limit | 500 characters |
|---|---|
| Threads (a post split into parts) | Yes |
| Images per post | 4 |
| Videos per post | 1 |
| Image file | JPG, PNG, GIF, and WEBP, up to 8 MB |
| Video file | MP4, MOV, and WEBM, up to 5 minutes and 40 MB |
| Media required | No: text alone is enough |
| Image descriptions (alt text) | Supported |
Connect Mastodon by signing in
You sign in to Mastodon and approve Publaro. Your Mastodon password is never shared with Publaro, and you can revoke access from Mastodon at any time. Agencies can also send clients a private connect link, so they connect their own accounts.
What Publaro checks before a post goes to Mastodon
- The text length, counted the way Mastodon counts it
- That any media you add fits Mastodon's file types and sizes
- That images carry a description for people who cannot see them
- That the post is not a copy of the same text on another platform
- That nothing in it breaks your brand rules, such as banned words
Questions about Mastodon
Can I schedule posts to Mastodon with Publaro?
Yes. Write the post once, choose a time, and Publaro publishes it to Mastodon for you. You can schedule a single post, fill the next free slot in your posting schedule, or import many at once from a CSV file.
What is the Mastodon character limit?
Mastodon allows 500 characters in a post, and a longer idea can be split into a thread. Publaro counts them the way Mastodon does and warns you while you type, so a post is never rejected for length at the last moment.
How do I connect Mastodon to Publaro?
You sign in to Mastodon and approve Publaro. Your Mastodon password is never shared with Publaro, and you can revoke access from Mastodon at any time. Agencies can also send clients a private connect link, so they connect their own accounts.
Can I post only text to Mastodon?
Yes. Mastodon accepts a post with text alone, and you can add up to 4 images or 1 video.
Schedule your Mastodon posts with Publaro
The Free plan connects 3 accounts, has no time limit and needs no credit card.