Spaces

Instagram story replies and mentions: how to answer them

When someone replies to your Instagram story, reacts to it or mentions your business in their own story, it arrives in your DMs as a message. These are some of the warmest messages a business gets, because the person has just seen something you posted and cared enough to respond. This guide explains each kind, where it lands, how to answer it well, and how to let an AI agent handle the routine ones without wasting your daily messages on a stream of heart emojis.

Three things that look alike but are not

Instagram turns several different actions into messages. They sit side by side in your inbox, but they mean quite different things, and each deserves a different kind of answer.

What happenedHow it shows in your DMsWhat the person usually wants
Someone typed a reply to your storyA message in the chat, with a small preview of the story it was replying toAn answer to a question, or a short conversation
Someone tapped a quick reaction on your storyA message that is just an emoji, linked to the storyNothing much. It is a nod, like a smile across a room
Someone mentioned your account in their own storyA message saying they mentioned you, with a preview of their storyTo be noticed, and often to be shared or thanked

Stories disappear after 24 hours unless they are saved to a highlight, and the preview in the chat goes with them. After that, the message may show that the story is no longer available. If you want to reshare someone's mention, do it while their story is still live.

Why these messages matter

A story reply is a customer starting a conversation with you. They saw a new cake, a free appointment slot or a behind-the-scenes clip, and they wrote back. That is the easiest kind of conversation a business can have, because you know exactly what they are interested in.

A mention is even more valuable in a different way. A customer has told their own followers about you, for free. A quick thank-you, and a reshare if it suits your account, tells them it was noticed and makes it more likely they will do it again.

Because the person wrote first, answering is also the safest thing you can do on Instagram. Replying to people who message you is normal use of the app, and published guidance says replying to everyone who messages you is fine.

How to answer each kind

MessageA good answerWho should send it
"How much is this?" on a story about a new productThe price, one useful detail and a simple next step, such as how to orderYour AI agent, from the facts you gave it
"Is this still available?" on a story showing stockA clear yes or no, and an alternative if it has goneYour AI agent, if it can check stock through a tool you set up. Otherwise a person
"Can I book this?" on a story about a free slotConfirm the slot or offer the next two free timesYour AI agent, if it can see the diary. Otherwise a person
A heart or fire emojiOften nothing. A like on the message, or a short thanks if it is a regular customerYou, by hand, if at all
A long, personal reply, such as a story about a loved oneA warm, human answer in your own wordsYou, or someone on your team
A mention in a happy customer storyA thank-you message and, if it fits, a reshare to your storyThe thank-you can come from the agent. The reshare is done in the app
A mention in a complaintA calm, private reply that offers to put it rightA person. Hand the chat over

The pattern is simple. Questions get answers, emoji get a light touch or nothing, and anything emotional or negative goes to a person.

What your AI agent sees

Story replies and mentions arrive in the chat like other messages, so an agent connected through Spaces can read and answer them. What it may not see clearly is the story itself. A preview of a photo or video is not the same as knowing what was in it, and once the story expires the preview may be gone.

That means "how much?" on its own is ambiguous. The fix is easy: tell the agent what your current stories are about. A short line in its notes each time you post a story is enough, and if it is still unsure, it should ask the customer which item they mean rather than guess.

If a reply comes from someone who does not follow you and whom you do not follow, it may land in message requests rather than your main inbox. Your agent can check message requests as well as your chats, so ask it to look there too after a busy story.

A worked example

A bakery posts a story at 8am showing a new pistachio croissant. Names and details are examples.

WhoMessage
Customer (story reply)omg how much are these??
AI agentHi Priya! The pistachio croissants are £3.80 each, baked fresh this morning. We usually sell out by about 11, so if you would like some put aside, tell me how many and roughly when you will pop in.
CustomerCan you save 4? I will be there around 10:30
AI agentDone. Four pistachio croissants saved under Priya for about 10:30. See you then!
Customer (later, a mention)Mentioned you in their story
AI agentThank you so much for sharing, Priya. We are glad you enjoyed them!

The agent knew what the story was about because the owner added one line to its notes that morning. Resharing Priya's story was something the owner did in the app, in a few seconds, before it expired.

Do not spend your daily messages on emoji

A popular story can bring in dozens of quick reactions. If your agent answers every one, it uses up your messages for the day on conversations that were never really conversations. Spaces keeps every Instagram account inside these limits whatever the agent asks for:

ActionSpaces limit per account
MessagesUp to 150 a day, at least 15 seconds apart
New conversations10 an hour, 100 a day
Likes, comments, follows, posts, new conversations, profile views and looking at posts together10 an hour and 100 a day, writes at least 30 seconds apart at random
Replies to people who wrote inno daily limit, at least 15 seconds apart
Reading your conversationsno daily limit, a random 6 to 15 seconds apart and at most 120 an hour. Messages Spaces already holds are read without asking Instagram at all
Commentsup to 10 an hour and 100 a day, shared with likes, follows and new conversations
Posts1 an hour, 3 a day
A new or just reconnected account starts at 22 likes, comments, follows, views and new conversations a day, and builds up to 100 over four week new or just reconnected account starts at 22 likes, comments, follows, views and new conversations a day, and builds up to 100 over four weeks
If Instagram pushes back, Spaces rests the account for a while and tells you, so it can recovef Instagram pushes back, Spaces rests the account for a while and tells you, so it can recover

Replies count towards the 150 messages a day. A reply to a single heart emoji does little for the customer, and it takes a message away from someone who asked a real question later in the day. Tell the agent to leave plain emoji reactions alone unless they come from a regular customer or start a real exchange.

If the agent does reach a limit, Spaces tells it to wait rather than letting the message through:

What your agent is toldWhat it meansWhat to do
RATE_LIMITEDThe account reached its hourly limit, or a message came too soon after the last one.Nothing. Your agent waits the time Spaces gives it and tries again with the same message.
DAILY_CAPThe account reached its daily limit, or this AI agent used the daily share you gave it.Sending starts again over the next day. To give the agent more, raise its daily share under Your agent.

Question stickers and polls are different

Answers to a question sticker or votes in a poll do not arrive as DMs. You see them in the story's viewer list in the Instagram app. If you want to follow up with someone who asked a good question through a sticker, you would be writing to them first, which is a new conversation, not a reply.

That is fine in small numbers, for people who clearly want an answer, but keep it personal. New conversations on Instagram are limited much more tightly than replies, and during the first weeks after connecting they warm up slowly:

Since connectingNew chats an hourNew chats a day
First 3 days222
Rest of week 1440
Week 2660
Weeks 3 and 4885
After that10100

A better habit is to answer the most common sticker questions in your next story, where everyone can see the answer at once.

Notes to give your AI agent

Paste something like this into your agent's instructions and update the first part whenever you post a new story. The details are examples.

Today's stories:
- 8am: new pistachio croissant, £3.80, usually sold out by 11.
- 2pm: two free cake consultation slots on Saturday, 10:00 and 11:30.

Story replies and mentions:
- Answer questions about a story using the facts above.
- If you cannot tell which story or item someone means, ask them. Do not guess.
- Do not reply to a plain emoji reaction unless the person is a regular customer.
- When someone mentions us in a happy story, thank them in one short message.
- If a mention or reply is a complaint, hand the chat to me and do not reply.
- Check message requests after a busy story as well as the main chats.
- If Spaces says to wait, wait.

Common mistakes

  • Leaving story replies until the evening. The person was interested at 8am and may have bought elsewhere by lunch.
  • Answering "how much?" with the wrong price because the agent guessed which item was meant.
  • Sending a thank-you message to every emoji reaction, which uses up the day's messages and feels automatic.
  • Missing the chance to reshare a mention because nobody looked until the story had expired.
  • Replying publicly to a complaint someone made in their story. Keep it private and hand it to a person.
  • Messaging everyone who voted in a poll. That is a burst of new conversations, which is exactly what Instagram watches for.

What if...

  • What if a story reply is spam or a scam link? Do not reply, and report or block it in the app. Our guide on restrict, block and mute explains which to use.
  • What if a customer replies to a story from weeks ago saved in a highlight? Treat it like any other question. The agent may need to ask which item they mean.
  • What if someone mentions you and you would rather not be associated with the post? Do not reshare it. You can thank them privately or say nothing.
  • What if the agent is paused? Story replies still arrive and wait for you. Nothing is sent until you resume.

Who you message

In short

Story replies and mentions are conversations customers start with you, which makes them the friendliest and safest messages to answer. Answer questions quickly, go easy on emoji, keep complaints private and with a person, and reshare mentions before they expire.

An AI agent can take the routine questions off your hands, as long as you tell it what your stories are about and keep its replies inside Instagram's limits, which Spaces does for you.

Pricing

Plans from $19 a month

FAQ

Do story replies go to my DMs?

Yes. A typed reply or a quick reaction to your story arrives in your Instagram DMs as a message, with a small preview of the story. If the person is not connected to you, it may land in message requests instead.

Can my AI agent answer story replies?

Yes. They arrive in the chat like any other message, so an agent connected through Spaces can read and answer them. Tell it what your current stories are about, because it may not be able to see the story itself.

Should I reply to every emoji reaction?

Usually not. A plain emoji is a light nod, and answering every one uses up messages from your daily allowance. Save replies for questions and for regular customers.

How do I reshare a story that mentions my business?

Open the mention in your DMs in the Instagram app and use the option to add it to your story. Do it while their story is still live, because stories normally disappear after 24 hours.

Can my agent reshare mentions for me?

Treat resharing as something you do by hand in the Instagram app. Your agent can thank the person in the chat, and you decide which mentions belong on your own story.

Do answers to question stickers arrive as DMs?

No. Sticker answers and poll votes appear in the story viewer list in the app, not in your messages. Writing to someone about a sticker answer is starting a new conversation, which has much tighter limits.

Do replies to story replies count towards my limits?

Yes. Every message the agent sends counts towards the 150 a day Spaces allows on an Instagram account, replies included. That is plenty for normal use if the agent skips plain emoji.

What should happen when a story reply is a complaint?

Hand the chat to a person and keep the conversation private. Once a person has taken over, the agent stays out of that chat until it is handed back, so the customer never gets two answers.

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