> ## Documentation Index > Fetch the complete documentation index at: https://docs.postiz.com/llms.txt > Use this file to discover all available pages before exploring further. # Limits and what happens when you hit them > Every cap, the error it produces, and how to clear it ## The caps | Limit | Enforced when | Standard | Team | Pro | Ultimate | | ------------------- | ---------------------------------------- | -------- | ---- | --- | -------- | | Channels | Connecting or enabling one past the cap | 5 | 10 | 30 | 100 | | AI images per month | Generating an image with no credits left | 20 | 100 | 300 | 500 | | AI videos per month | Generating a video with no credits left | 3 | 10 | 30 | 60 | | Webhooks | Saving one past the cap | 2 | 10 | 30 | 10,000 | Team members are unlimited on the plans that include them, and posts per month are effectively unlimited on every paid plan. ## Channels > You have reached the maximum number of channels **Free a slot** by disabling a channel you are not using: Calendar, channel `...` menu, **Disable Channel**. Disabling keeps its history and you can re-enable it later. See [Manage a channel](/general/channels/manage). **Or raise the cap** by upgrading, see [Plans](/cloud/plans). Two things that do **not** count against the cap: reconnecting an existing channel, and channels that are currently flagged as needing reconnection. ## AI credits Image and video credits are separate pools. Each successful generation spends one; a failed generation does not. They reset monthly on the anniversary of your subscription, not on the first of the month, so a subscription started on the 12th resets on the 12th. When you are out, image generation stops returning results and video generation returns an error pointing at billing. Waiting for the reset or upgrading are the two options. ## Webhooks The Webhooks tab shows how many you have against your allowance in its header. Delete one to add another, or upgrade. ## API rate limit The Public API is limited to **90 requests per hour** on the create-post endpoint. This is a fixed value, not something that scales with your plan: plans tier on channels, not on API throughput. It also does not mean 90 posts per hour. One request can carry many posts, so batch them rather than looping. See [Public API](/public-api/introduction). ## Upload limits Images are capped at 10 MB and video at 1 GB per file, on every plan. See [Media](/general/composer/media). ## What a limit error looks like Anything you do that exceeds a plan limit fails with a message naming the limit and a link to the billing page. Nothing is silently truncated or partially applied. ## Losing a limit Downgrading to a plan with lower caps does not ask you what to keep. See [Downgrades](/cloud/downgrades) before you change plan.