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Why Is AI Reply Agent Not Sending Replies?

If your AI Reply Agent isn't generating or sending replies, there are several common causes to check.

1. Check Your Data Credits

Each AI reply agent costs 5 Data Credits, regardless of whether you send, edit, or use the suggested reply.

  • Verify your credit balance here (Remaining credits/Total credits allocation)

  • If you don't have sufficient credits, the AI reply agent won't generate replies

  • If you see this notification "Your AI Reply Agent has crossed its free trial limit", it means your workspace has used up the free trial limit for the AI Reply Agent. To continue using the AI Reply Agent, click “Continue with paid plan” to purchase credits.

  • If you just purchased credits, the AI Reply Agent only works for new incoming replies, not older ones.

Important: The AI Reply Agent won't retroactively generate suggestions for replies that arrived while you had no credits, which is why you may still see the upgrade banner in the Unibox for older replies.

If your AI Reply Agent shows a Failed status in the Activity Feed, hover over it to check the error message. If it says "The free trial limit has been reached" even though you have sufficient Data Credits, this may be because your AI Reply Agent was automatically created.

Automatically created AI Reply Agents have a free trial reply limit. Once this limit is reached, the agent stops generating replies, regardless of your available Data Credits. Please create a new AI Reply Agent manually.

2. Verify Campaign and Account Assignment

Check whether your AI Reply Agent is configured for specific campaigns and accounts.

  • If you've assigned specific tags, the AI Reply Agent only works with campaigns and accounts with those tags.

  • If you need to change the assigned tag, open the target AI Reply Agent and go to the AI Agent Configuration section -> Campaigns and Accounts to update the tag.

3. Manual Approval Required for Replies

If the Autopilot mode is not enabled, replies require your manual approval before they're sent.

The AI reply agent also pauses and requests your review when it isn't confident in a response(e.g., missing product info or unclear context). Look for statuses like "Requires review" in the Activity Feed.

4. Manual Replies Can Prevent Follow-ups

When Autopilot mode is enabled, manually replying to a thread may prevent the AI Reply Agent from scheduling follow-ups. This is to avoid sending duplicate or conflicting messages.

5. Exclude Trigger Condition

Under Advanced Settings, check if you have labels added to the 'Don't Trigger For' tab. The AI reply agent will respond to all replies except those from leads tagged with the selected labels.

Note that you can't have both 'Only trigger for' and 'Don't trigger for' enabled simultaneously.

6. AI Reply Agent vs. Automatically Suggest Replies

There are two separate AI reply features that might be confusing:

  • Automatically Suggest Replies: Uses OpenAI to analyze your existing macros or recent emails, providing suggested replies in Unibox.

  • AI Reply Agent: Uses Data Credits to generate suggested replies in Unibox.

7. AI Reply Agent vs. AI Sales Agent

Make sure you are using AI Reply Agent to generate suggested replies, not AI Sales Agent.

  • AI Reply Agent: Handles and generates replies to incoming emails in Unibox

  • AI Sales Agent: Designed to discover and qualify leads based on your defined Ideal Customer Profile (ICP) and generate sequence emails automatically. It does not generate reply suggestions in Unibox.

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