Publish Post - Markifact

Publishes content to an Instagram Business/Creator account: single image, carousel (2 to 10 images and/or videos), reel, or a 24 hour story. Instagram has no native scheduling; run this node from a scheduled workflow to schedule posts.


App	Instagram
Operation ID	`instagram_publish_post`
Type	Action
Connection	`instagram` (required)
Credits per run	1
Requires approval	Yes (write operation)

Inputs

Field	Type	Required	Default	Description
`account`	string or SelectItem	Yes	-	Select the Instagram Business/Creator account to publish to, ask the user for it if not provided
`post_type`	string or SelectableOption	Yes	-	Type of content to publish. Available options: ‘image’ (single image feed post), ‘carousel’ (2 to 10 images and/or videos in one post), ‘reel’ (video feed post; all Instagram feed videos are reels, recommended vertical 9:16, roughly 3 seconds to 15 minutes), ‘story’ (24 hour story from ONE image or ONE video; no caption). Instagram has no native scheduling; to schedule, run this node from a scheduled workflow.
`caption`	string	No	-	The caption text, up to 2200 characters. Used for image, carousel, and reel posts. Stories do not support captions.
`image_urls`	string or array of string	No	-	Image for image posts and image stories (exactly one URL). Instagram requires JPEG images, max 8MB, aspect ratio between 4:5 and 1.91:1 for feed posts. Accepts direct URLs or Google Drive share links with sharing set to ‘Anyone with the link’. URLs must be publicly reachable since Instagram downloads them server side.
`video_url`	string	No	-	Video for reel and video story posts. Recommended vertical 9:16. Reels are roughly 3 seconds to 15 minutes; story videos up to roughly 60 seconds. Accepts direct URLs or Google Drive share links. Must be publicly reachable.
`media_urls`	string or array of string	No	-	Carousel items: 2 to 10 URLs as a list or one string separated by commas or new lines. Images and videos can be mixed; whether each item is an image or a video is detected automatically.
`cover_url`	string	No	-	Optional cover image URL for reels. If empty, Instagram picks a frame from the video.
`share_to_feed`	boolean	No	-	Reels only. Set to False to publish the reel to the Reels tab without showing it in the main feed. Default is True.

SelectItem

Field	Type	Required	Default	Description
`value`	string	Yes	-	The value of the selectable item.
`label`	string	Yes	-	The label of the selectable item, used for display purposes. If not provided, defaults to the value.

SelectableOption

Field	Type	Required	Default	Description
`value`	string	Yes	-
`label`	string	Yes	-

Output

Type: Dict Returns the published media details. Instagram allows up to 50 API published posts per account per rolling 24 hours. Fields: post_id, post_url, account_id, account_name, post_type, status Example:

{
  "post_id": "17900123456789012",
  "post_url": "https://www.instagram.com/p/AbCdEfG/",
  "account_id": "17841400000000000",
  "account_name": "mybrand",
  "post_type": "image",
  "status": "published"
}