← User Guide/Supported platforms
User Guide

Supported platforms

Connect your accounts once. DemandBird handles the formatting, limits, and scheduling for each network.

✓ Personal Personal profile or account
✓ Pages Business pages or channels
Multi-connect Connect several accounts of this type
Note Important restriction or requirement
Extension Requires Chrome extension
LinkedIn
Professional social network
Account types
✓ Personal profile✓ Company pages
Multiple connections
✓ Multi-account
Content types
  • Text up to 3,000 characters
  • Up to 9 images (5 MB each)
  • Video up to 200 MB / 10 min
  • Documents / PDFs up to 100 MB
Official API: DemandBird posts through LinkedIn’s official API, so scheduled posts live in the DemandBird calendar and won’t appear in LinkedIn’s own scheduled-posts window. They still publish on time. More on this →
Twitter / X
Real-time social network
Account types
✓ Personal account
Multiple connections
✓ Multi-account
Content types
  • Text: 280 chars (free) / 4K (Premium) / 25K (Premium+)
  • Up to 4 images (5 MB each)
  • Video: 140 sec (free) / longer with Premium
Facebook
Social network and community platform
Account types
✓ Pages only
Multiple connections
✓ Multiple pages
Content types
  • Text up to 63,200 characters
  • Up to 10 images (4 MB each)
  • Video up to 4 GB / 20 min
Pages only: DemandBird posts to Facebook Pages you manage, not personal profiles. Connect your Facebook account and all your pages are automatically discovered.
Instagram
Photo and video sharing platform
Account types
✓ Business accounts✓ Creator accounts
Multiple connections
✓ Multi-account
Content types
  • Caption up to 2,200 characters
  • Up to 10 images (8 MB each); no mixing with video
  • 1 video / Reel up to 300 MB / 15 min; no mixing with images
  • Media required (text-only posts not supported)
Business or Creator only: Instagram’s API does not allow posting from personal accounts. Switch your account to Business or Creator in Instagram settings to connect it.
Text-only post? Generate a quote image. Instagram won’t accept a post without media. In the composer, click the image button and choose Generate quote image to turn your post text into a 1080×1350 portrait JPEG in one of three themes. Learn more →
Threads
Text-first conversation platform by Meta
Account types
✓ Personal account
Multiple connections
✓ Multi-account
Content types
  • Text up to 500 characters
  • Up to 10 images (8 MB each); no mixing with video
  • 1 video up to 100 MB; no mixing with images
Bluesky
Open social network built on the AT Protocol
Account types
✓ Personal account
Multiple connections
✓ Multi-account
Content types
  • Text up to 300 characters
  • Up to 4 images (1 MB each)
  • Video up to 100 MB / 60 seconds
Mastodon
Decentralized, instance-based social network
Account types
✓ Personal account
Multiple connections
✓ Multi-instance
Content types
  • Text up to 500 characters
  • Up to 4 images (16 MB each)
  • 1 video up to 99 MB
  • Audio files supported
Multiple instances: Connect accounts from different Mastodon servers (e.g. mastodon.social, fosstodon.org) as separate connected accounts.
YouTube
Video platform and community posts
Account types
✓ Channels
Multiple connections
✓ Multiple channels
Content types
  • Community posts with caption up to 5,000 characters
  • Video required (up to 256 MB / 60 seconds)
  • Thumbnail image optional (up to 16 MB)
  • Privacy: public, private, or unlisted
Community posts: DemandBird publishes YouTube Community Posts (feed updates), not traditional long-form video uploads. All channels you manage are discovered automatically. Brand Account channels are not supported; only channels directly owned by the Google Account you sign in with.
Substack
Notes: personal Substack short-form feed
Account types
✓ Personal account
Connection method
⚙ Chrome extension
Content types
  • Text up to 10,000 characters
  • Up to 6 images
  • Video up to 5 minutes
Chrome extension required: Substack has no public API. DemandBird publishes Notes via your browser session through the Chrome extension. Your computer must be awake and Chrome must be open at publish time. Read the Substack guide →