---
title: Why aren't fan opt-ins syncing to email or SMS integrations?
description: If you are running an engagement campaign and notice that your fan opt-ins aren't appearing in your connected email, SMS, or CRM integrations, this guide will help you understand the cause and the solution
---
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# Why aren't fan opt-ins syncing to email or SMS integrations?
## If you are experiencing errors syncing subscribers to your connected email, SMS or CRM integrations, this guide will help you understand the cause and solution
### The "Why": Connecting Your Data
When a fan subscribes to your brand via an engagement campaign or sales purchase, that data needs a defined path to reach your external marketing platform.
To create this pathway, you’ll first set up a [Fan CRM filter](https://resources.tradablebits.com/support/create-and-manage-filters?hsLang=en), then [create a smart tag](https://resources.tradablebits.com/support/create-smart-tags?hsLang=en)for this filtered group.
- **Filters:** Define *which* fans are selected.
- **Smart tags:** Act as the "bridge" that connects your filtered fans to your third-party integrations (such as your email and SMS marketing tools).
If you create a tag that isn't connected to a filter, or if you haven't configured a filter for your new fans, the data will remain in the Fan CRM and will not be pushed to your outgoing integration.
**Important: Smart tags expire after 1 year.** At that time, they become static tags and will no longer push to your third-party integrations. It is key to monitor your tags regularly to ensure that your data flows to your integrations successfully.
### How to fix the issue:
If you notice that your opt-in counts in your email/SMS platform appear lower than expected, follow these steps to troubleshoot:
1. **Check your [Fan CRM Search](https://resources.tradablebits.com/support/what-is-fan-crm-search?hsLang=en):** Navigate to your Fan CRM and search for the fans you expect to see.
2. **Review your Filters:** Ensure you have an active filter that captures these fans. You can learn how to do this here: [Create and Manage Filters](https://resources.tradablebits.com/support/create-and-manage-filters?hsLang=en).
3. **Connect a Smart Tag:** Once your filter is set, make sure it is attached to a [smart tag](https://resources.tradablebits.com/support/create-smart-tags?hsLang=en). If the tag isn't connected to the filter, the data cannot flow to your integration.
4. **Verify the Integration:** Ensure your specific [outgoing integration](https://tradablebits.com/integrations/outgoing) (e.g., Mailchimp) is properly mapped to that smart tag by adding it in the ‘Manage Sources’ tab of the endpoint setup. Select the ‘refresh source’ icon to force that smart tag data to sync so you can check that it's coming through correctly on your third-party software.
**Still need assistance? Please reach out to your Customer Success Team or contact [support@tradablebits.com](mailto:support@tradablebits.com)**
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