To successfully publish content on Instagram through Cloud Campaign, follow these Instagram media guidelines for post formatting, file types, dimensions, and caption limits.
Instagram Image Post Guidelines
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Max Images per Post: Up to 10 images
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Recommended Image Resolution:
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Square: 1080 x 1080 pixels
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Portrait: 1080 x 1350 pixels
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Instagram automatically crops or compresses images that exceed these dimensions
Instagram Video & Reel Post Guidelines
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Video Duration: Minimum 3 seconds, Maximum 15 minutes
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Aspect Ratio: 9:16 (Vertical)
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Max Resolution:
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Vertical: 1920 pixels
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Horizontal: 1080 pixels
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Max File Size: 1 GB
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Recommended Bitrate: 5 MB/second
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File Format: MP4 only
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Note: All video content posts as a Reel by default via API
Instagram Caption Requirements
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Character Limit: Up to 2,200 characters
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Hashtag Limit: 30 hashtags per post
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Links: URLs included in captions will not be clickable — consider using a “link in bio” strategy
Instagram Story Post Requirements
Image Stories:
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Resolution: 1080 x 1080 or 1080 x 1350 pixels
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Recommended Aspect Ratio: 9:16
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Tagging: Tagging accounts is not supported via third-party platforms
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Account Type: You must be using a Business Instagram Account
Video Stories:
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Resolution: Up to 1920 x 1080 pixels
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Aspect Ratio: 9:16 is recommended to avoid cropping or black borders