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Launching with Instagram

Schedule Instagram posts with AI

Postnavo is launching with Instagram scheduling for professional accounts: feed posts, carousels, Reels and Stories on a visual calendar, with captions you write or Navo drafts.

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Formats at launch

  • Feed posts
  • Carousels
  • Reels
  • Stories

2,200-character captions and up to 5 hashtags. Check your post length

At launch, Postnavo will

  • show your Instagram posts on a visual calendar
  • connect professional accounts, business and creator
  • let you schedule carousels with alt text on each image
  • draft captions with Navo, with line breaks that stay where you put them
  • let your agent caption and schedule a batch of product photos
Instagram’s own documentation

What Instagram allows a scheduler to do

Read on 2026-10-12. Where Instagram’s pages are silent, so is this one.

Instagram rules for scheduled posts
RuleWhat Instagram documents
Account and access An Instagram professional account, business or creator. With Instagram Login no Facebook Page is needed; with Facebook Login the account must be linked to a Page.3
Caption 2,200 characters and 20 @ tags. The publishing reference allows 30 hashtags; Instagram’s help centre says up to 5 tags on a post.25
Images JPEG only, up to 8 MB, between 4:5 and 1.91:1. A carousel holds up to 10 images and videos.12
Reels and Stories Reels: 3 seconds to 15 minutes and up to 300 MB. Story video: 3 to 60 seconds and up to 100 MB. Stories expire after 24 hours.2
Alt text 1,000 characters, for an image post and for images in a carousel. Not for Reels or Stories.26 Alt Text Character Limits for Every Social Network
Instagram’s own scheduler In the app a public account schedules reels, photos and carousels: up to 25 posts a day, up to 30 days ahead.4 How Far Ahead Can You Schedule Posts on Each Network?
Published limits 100 API-published posts in a moving 24 hours, a carousel counting as one (the carousel section of the same page says 50), and 400 containers in 24 hours.12
When publishing fails A linked Page that requires Page Publishing Authorization, or two-factor authentication that was not completed, makes the request fail.2 Instagram Scheduled Posts Not Posting? Causes and Fixes
AI label The create call takes an is_ai_generated parameter, a self-disclosure of AI use in the media.1

What Instagram’s API lets a scheduler publish

Feed images, video, Reels, Stories and carousels, on professional accounts only, and every one of them built from an image or a video. Publishing takes two calls: create a container for the media, then publish it. A container that is not published within 24 hours expires, and Meta fetches the file from a public URL at that moment.

A Reel can be shared to the feed, carry a cover image and name collaborators. A trial reel, shown only to non-followers, can be published as well.

Sources12

What it leaves out

The publishing API does not support shopping tags or filters. A Story published through it cannot carry link, poll or location stickers, though it can mention people. Music can be tagged only for original audio, and a Reel cannot sit inside a carousel.

Sources12

Sources, checked 2026-10-12

  1. Instagram Platform: content publishing
  2. Instagram Platform: media reference
  3. Instagram Platform: overview
  4. Instagram Help: scheduled posts and reels
  5. Instagram Help: use hashtags
  6. Instagram Help: edit the alternative text for a post

Every figure is Instagram’s own, as its page stated it that day. The linked page has the last word.

Two ways to post to Instagram

With AI

Agentic

Ask ChatGPT, Claude, OpenClaw or Navo to write and schedule your Instagram posts. See supported agents

By hand

Classic

Write, preview and schedule Instagram posts yourself from the visual calendar.

FAQ

Frequently asked questions

Whether an assistant can post to Instagram at all is a question about Instagram’s rules: Can ChatGPT Post to Instagram? What Instagram Requires

Does Postnavo support Instagram business and creator accounts?

Postnavo is launching with Instagram professional (business and creator) accounts, which is what Instagram’s publishing API requires. The API does not serve personal accounts.

How will my AI agent post to Instagram through Postnavo?

Once Postnavo launches, you connect ChatGPT, Claude, OpenClaw or another MCP-compatible agent and hand it your photos or video. Instagram needs media on every post and a professional account, so the agent writes the captions and schedules them, and each post waits in your calendar.

Do I need a Facebook Page to schedule Instagram posts?

Not always. Meta offers two logins: Instagram Login serves professional accounts without a linked Facebook Page, and Facebook Login serves accounts that are linked to one. Which of them Postnavo uses is published at launch.

Can Instagram Stories be scheduled?

Instagram’s API can publish image and video Stories for professional accounts, without link, poll or location stickers. Stories are on Postnavo’s launch list.

How many hashtags can an Instagram post have?

Instagram’s help centre says you can use up to 5 tags on a post. Meta’s publishing reference still lists a maximum of 30 hashtags in a caption.

Blog

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