Open Growth → Integrations and use the Brevo connection form.
- Create or obtain the appropriate Brevo API key from the customer-owned Brevo account.
- Enter it once in Mail Hub. The key is validated against Brevo before it is stored encrypted.
- Open the connection and map a Mail Hub contact list to a Brevo list.
- Select Push, Pull or Two-way synchronization.
- Keep unsubscribe synchronization enabled unless there is a specific operational reason not to.
Brevo email blacklisting is treated as an opt-out/suppression signal in Mail Hub. Explicit Mail Hub opt-ins can be synchronized to the mapped Brevo list.