When building an app, it is important to be aware of key limitations to avoid errors and optimize your app's performance. This includes both platform and API limits.

Platform

The following table covers key platform limits:

Usage	Limit
Connected boards per board	200 boards
Direct connected items per board (excludes mirror to mirror)	10,000 items
Connected boards per dashboard (basic/standard/pro/enterprise plans)	1/5/20/50 boards
Dashboard widgets	30 widgets
Items per dashboard widget	20,000 items (after filters)
Items per dashboard	20,000 items per widget (before filters)
Linked items per board	100,000 items
Items per board	10,000 items
Subitems per item	100 subitems
Columns per board	1,000 columns
Dropdown labels per column	500 labels

API

You can find our API limits documentation here.