Metrics for Collaborative Posts.
If the collaborative post wasn't published from the connected account, performance data can't be retrieved.

Cannot like comments.
The API does not allow liking comments.
GIFs posted as comments are returned as empty messages.
Comments containing GIFs cannot be seen or processed via the API.
Unable to comment on non-owned content discovered via #hashtag listening
You cannot reply to content identified via hashtags.
Blocking accounts is not possible.
No ability to block or restrict users via API.
Cannot comment on photos where the account is tagged.
You cannot reply to content where you were tagged, unless there's a direct @mention on the caption too.
Direct message replies are limited after seven days.
Messaging is only allowed within a 7-day window from the last user interaction.
Replying to hidden comments.
If a comment is hidden, it can’t be replied to through the API, you should unhide it first.
Cannot get comments posted on Dynamic Ads.
Instagram does not support fetching comments from Dynamic Ads; this is currently only available for Facebook Dynamic Ads.
Get username for content discovered through #hashtags

Stories: stickers, music, and polls are not supported.
These interactive or accessibility elements are not available when publishing Stories via API.
Alt text for Reels
The ability to add an alt text when creating a post.
JPEG is the only image format supported.
PNG, GIF, and other formats are not accepted for publishing.
Instagram accounts are limited to 50 API-published posts within a rolling 24-hour period.
This applies across all tools using the Instagram Graph API.
Carousel posts are limited to 10 items.
Only up to 10 images, videos, or a combination can be included in a carousel.
Post images must fall within supported aspect ratios.
Only images with aspect ratios between 1.91:1 (landscape) and 4:5 (portrait) can be published.
Cannot define location of @tag for collaborators in the image.
You can tag collaborators, but you can't specify the visual placement of the tag within the image via API.

Listening to keywords on non-earned content is limited.
Only direct @mentions (caption or comment), media tags and hashtags can be tracked. Broader keyword listening is not supported.

Network API Limitations