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To make a collab post on Instagram, tap Tag people → Invite collaborator while publishing a post or Reel, and choose up to five accounts. Once a collaborator accepts, the post appears on their profile and reaches their audience, and likes and comments are shared. That's why collabs are one of the simplest ways to get in front of a new audience.
How to make a collab post or Reel step by step
- Tap “+”, choose a photo, carousel or Reel and go to the caption screen.
- Tap Tag people, then Invite collaborator.
- Find your partner's account, select it and tap Done.
- Share the post — the invite is sent to your partner automatically.
The feature works in the iPhone and Android apps. You can't add a collaborator to Stories — use a regular mention there.
A collab reaches two audiences, and in both the algorithm looks at early reactions. If a post needs a starting push, you can add the first likes on the Instagram likes page — from $0.30 per 1,000, real CIS likes from $4, no password required. Instagram's rules discourage artificial activity, so order in moderation and only for good content. For Reels, views from $0.09 per 1,000 do the same job.
How many collaborators can you add, and can you invite after posting
You can currently invite up to 5 collaborators, so a post can have up to 6 accounts including yours. At launch in 2021 only one collaborator was allowed and three in 2023, which is why older guides give different numbers.
Only the original author can add a collaborator to a post that's already live: three dots → Edit → Tag people → Invite collaborator. The date, likes and comments are kept, so on the new collaborator's profile an old post lands deep in the grid. Only the author can delete the post entirely — it then disappears for everyone.
How to accept an invite and how to remove yourself as a collaborator
- Accept: the invite arrives in notifications and usually in DMs. Open it, check every slide and the caption, and tap Accept.
- Decline: the post stays only on the author's profile.
- Remove yourself: open the post → three dots → Stop sharing (the label may vary between app versions). The post leaves your profile but stays on the author's. You can't rejoin on your own — the author has to invite you again.
Why the collaborator invite isn't arriving
- The author's account is private. A private profile can only invite accounts that follow it.
- Tag settings. If Tags and mentions limits who can tag you, some invites won't get through.
- The request is in a hidden folder. Check Requests in your DMs if you don't follow the author.
- An outdated app or trying to do it from a computer.
- A block or the limit. If one account has blocked the other, or 5 collaborators are already added, the invite won't work.
Why collab posts help reach
A collab post is shown to all collaborators' followers and gathers shared reactions, so its counters grow faster than a regular post's. But Instagram doesn't name a universal “reach multiplier”. According to Adam Mosseri (2024), ranking leans more towards the original author than the person who accepts. The practical takeaway: let the account whose reach matters most in this project publish, and have both partners online for the first hour to reply to comments.
How to find partners for collaborations
- Look for adjacent niches, not direct competitors: a photographer and a makeup artist, a coffee shop and a baker.
- Pick accounts of a comparable size with a similar audience geography.
- Pitch a ready idea: the format, the date, who publishes and which numbers you'll compare after 7 and 30 days.
- Check the partner's audience by reactions and comments — we explain how to tell a real following from bots in real followers or bots.
Remember that partners assess you the same way: a profile with a hundred followers rarely gets invited to collaborate. If your base is still small, you can strengthen it on the Instagram followers page — real accounts from $10 per 1,000. And if you're planning paid placements, see price benchmarks in how much Instagram influencer ads cost.
