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How to set up a 2-way sync between Monday.com and Brevo

Sync contacts bi-directionally between Monday.com and Brevo — no code required.

Updated this week

Our Monday.com–Brevo sync is designed for B2B companies to enable cross-app workflows by keeping sales and marketing contacts in sync bi-directionally.

Are there alternatives for syncing Monday.com and Brevo?

Zapier and Make offer more flexibility but come with trade-offs. They don't create a bi-directional relationship that listens to changes, they are difficult to set up and get expensive as each action counts. Read more.


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Why Outfunnel is the best tool to integrate Monday.com with Brevo

  • Bi-directional contact sync. Make all contacts or a subset(s) available on either platform along with your custom contact fields and keep them in sync going forward.

  • Comprehensive field mapping. Sync any default or custom field two-way or in a single direction so you always have the right information available in any app. If any data conflicts arise, you can easily select the conflict winner.

  • Deduplication built-in. Outfunnel creates links based on the email address and we'll automatically cross-reference contacts to prevent duplicate contact entries. If a contact already exists we'll simply link it. If it doesn't we'll create a new contact.

  • Instant data sync. Outfunnel syncs most data instantly and some within 2 hours.

  • Monitor sync status. Clear overview of the sync health which includes actionable error messages so you can fix them as they happen.

  • Historical sync. Sync all of your customer data, no matter when it was created. Outfunnel syncs not only new contacts, but also existing ones.

  • Transparent pricing. Each contact that's part of the sync only counts once, regardless of how many updates get synced or to how many apps.

  • Reliable and secure data. Outfunnel uses advanced authentication methods, such as OAuth, and deploys encryption measures to make sure the data is secure in transit.


Authenticate your apps

  1. Head to App connector

  2. Select Monday.com and Brevo

  3. Authenticate as per on-screen instructions if you haven't done so already

💡 Brevo authentication
If authentication fails, additional security is likely enabled on your Brevo account. To resolve, please navigate to Brevo > Security > Authorized IPs and do either of the following:

  • Disable automatic API security checks by Brevo, or

  • Whitelist the following IPs that Outfunnel uses to make requests:

    • 18.193.51.158

    • 3.66.176.55

    • 2.57.67.55


How to set up a 1-way or 2-way contact sync between Monday.com and Brevo

1. Choose your apps
Select Monday.com and Brevo, and choose Contact sync as the connection type.

2. Choose sync direction
Choose to sync data two-way or in a single direction.

3. Define which contacts to sync
For each ruleset, define which contacts should be part of the sync.

  • Monday.com contacts: Choose which contacts to sync by selecting the Groups you'd like to include. Only contacts in the selected groups will be synced. Filter-based contact selection is coming soon.

  • Brevo contacts: You can choose to sync all contacts, lists or segments.

If this is your first sync we recommend syncing a limited number of (test) contacts to get a feel for the sync.

🏁 Initial sync

  • Contacts are linked based on the email address. If an existing contact is not found a new contact is created. If multiple contacts are found with the same email address then the link is made with the oldest contact and no duplicates will be created.

  • Initial sync actions in Brevo.

    • Contacts are created in the database.

    • Contacts are subscribed to the selected list.

    • Blocklisted contacts get field updates but are not resubscribed.

  • Initial sync actions in Monday.com.

    • Contact gets created in the database.

🔄 Continuous sync

  • Contact changes. As long as the contact matches the rule any changes to its profile in the source app will be synced to the destination app.

  • When contact stops matching rules all updates will stop but they will not be deleted from the destination app. Here's what happens:

    • Brevo: the contact will not get unsubscribed.

    • Monday.com: contact will be archived.

💡 Other things to keep in mind

  • Contacts do not get removed/unsubscribed from Brevo if you remove the contact sync rule or change the target segment.

  • Multiple email addresses on a contact. Outfunnel creates a link with the first email address on a contact profile. Other addresses on the profile will be ignored.

  • Merging contacts. Outfunnel supports merging contacts with the same email. After you've merged a contact you may see the contact getting unsubscribed from Brevo if the contact you merged to was not in sync but they will get resubscribed in the next sync given that the email address is the same.

4. Map your fields
Select the fields you'd like the sync to consider. You can sync any default or custom field, and choose to sync each field two-way or in a single direction.

Data conflicts
Data conflicts usually happen during the initial sync when a mapped field value is different on both apps. For example, when the name is different for the same contact then Outfunnel will use the selected app as the conflict winner. Most companies use their CRM as a system of record. Reach out to support if you are having doubts or want to talk through your use case.

💡 Things to keep in mind

  • Email is a default field that is matched automatically and cannot be changed. This is what Outfunnel uses as the unique identifier to create a link between contacts on two apps.

  • Read-only fields. Some fields are read-only (ie calculated fields) and cannot be edited which means they can only be synced in one direction.

  • Adding new fields. Create a new field in the corresponding app. Then head back to Outfunnel and click "refresh fields" to see the new field.

  • Single/Multiple option fields. If you are mapping single and multiple option fields please pre-create the values in the source and destination app.

  • SMS field. Brevo's default SMS field only accepts numbers that match one of the following formats: 1xxxxxxxxxx, +1xxxxxxxxxx, 001xxxxxxxxxx

5. Activate
Activate the connection. Outfunnel will run the initial sync and start keeping your contacts aligned going forward.

🏁 Initial sync
After activating the connection Outfunnel will run an initial sync to merge your databases and you should see contacts appearing in the sync status page. The initial sync usually takes a few minutes but can take up to a few hours depending on the number of contacts to sync.

The status page also shows errored contacts and provides actionable feedback on how to fix this.

🔄 Continuous sync
After the initial sync completes Outfunnel starts running a continuous sync where some data syncs instantly and some data is checked at a regular interval. Read more about how often data syncs.


Need help?

If you run into any issues or have questions about the sync, reach out to us via the chat widget — we're happy to help!

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