Mailchimp + Rex Integrations
Put Mailchimp + Rex to work with AI and enterprise-grade automation
4.9/5 on G2·
Google for Startups Accelerator
Workflows you can build between Mailchimp and Rex
See the kind of workflows teams build with Mailchimp and Rex below — describe the exact one you want above and the Agent builds it on demand.
Mailchimp + Rex
When new contacts are added to Rex mailing lists, automatically add them to Mailchimp as subscribers.
Enroll new CRM leads in marketing campaigns
When a new lead is created in Rex, automatically add them to an onboarding campaign in Mailchimp so they receive relevant marketing materials instantly.
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Create sales contacts from marketing leads
When a new lead is captured in Mailchimp, automatically create a matching contact record in Rex so your sales team can begin outreach.
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Tag active deals for targeted messaging
When a deal stage changes in Rex, automatically apply a strategic tag to the contact in Mailchimp to trigger tailored follow-up messages.
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Browse the full workflow library →
Looking to achieve something else with Mailchimp and Rex?
Just describe what you need — the Agent researches both APIs and builds the real automation on demand.
Try Knit FreeTriggers & actions for Mailchimp and Rex
Everything Mailchimp and Rex can do inside a workflow — the triggers that start one and the actions that run when it fires.
Mailchimp Explore Mailchimp →
Mailchimp is an email marketing and automation platform that helps businesses create, send, and analyze marketing campaigns.
Knit's Integrations Agent builds Mailchimp's triggers and actions on demand — describe the automation in plain English and it writes and runs real code against Mailchimp's API.
Rex Explore Rex →
Rex is a customer relationship management software designed specifically for real estate agencies to manage listings and client leads.
TriggersTriggers when a Appraisal is Created.
Triggers when a Calendar Event is created
Triggers when a Calendar Event is updated
Triggers when a Contact is Created.
Triggers when a Contact is Updated.
Triggers when a Tag is added to a Contact
Sends an Email
Assigns a Lead to a user
Creates a Lead
Creates a Match Profile for a Contact (if one doesn't exist)
Creates a Note
Creates a Reminder
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Customer Stories
See how leading technology firms are scaling their operations
Amazing Product With Exceptional Support from the team. By using Knit we managed to speed up our development by orders of magnitude.
A brilliant tool to let you seamlessly integrate with many different systems. It is very easy to integrate with and customer support is next level.
Seamless integration experience. Well-documented, self-explanatory APIs, and excellent service and support.
Easy to integrate. Knit's dashboard is intuitive for setting up and testing integrations, and the sandbox is extremely useful during development.
Knit shipped a brand-new Timesheet API in a week and handed us a ready-to-use NetSuite sandbox. That velocity is priceless when you're running payroll in 40+ countries.
#1 in Ease of Integrations
4.9 out of 5 stars on G2
Common questions about Mailchimp + Rex
Is there a pre-built Mailchimp + Rex automation?
Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches Mailchimp and Rex's public API docs (or your own uploaded docs) and builds a working automation.
Does this require a pre-built Mailchimp or Rex connector?
No. The Agent works whether or not Mailchimp or Rex already has a pre-built connector in Knit's catalog — it researches the real API surface either way.
How long does it take to build?
Minutes to build a first working version, not weeks — you test it against real data before it goes anywhere near production.
How do Rex and Mailchimp work together to nurture leads?
When a new lead is added in sales or marketing, prospect information is automatically synced between both platforms so your marketing team can launch targeted email sequences immediately.
Will customer unsubscribe status sync across both tools?
Yes, if a contact opts out or updates their preferences, their profile can be automatically updated across both Rex and Mailchimp to maintain compliance.