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Zapier makes it easy to integrate Mailchimp with Xero - no code necessary. See how you can get setup in minutes.
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Mailchimp
Mailchimp
1. Choose trigger event
Xero
Xero
2. Choose action
1. Select the event
Setup
Test
Mailchimp
Choose a trigger event
Choose a trigger
A trigger is the event that starts your Zap—like a "New Campaign" from Mailchimp.
Add your action
An action happens after the trigger—such as "Add Items to Existing Sales Invoice" in Xero.
You’re connected!
Zapier seamlessly connects Mailchimp and Xero, automating your workflow.
Supported triggers and actions
Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.
Create a new record or update an existing record in your app.
Organization
Required
Credit Note ID
Required
Invoice ID
Required
Amount
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
From Account
Required
To Account
Required
Amount
Required
Date
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Code
Required
Name
Required
Type
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Type
Required
Contact
Required
Date
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Invoice ID
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Mark Item as a Sales Item?
Mark Item as a Purchase Item?
Item Name
Item Code
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Contact_name
Required
Email_address
Contact_account_number
Primary Person - First Name
Primary Person - Last Name
Phone - Country Code
Phone - Area Code
Phone Number
Fax - Country Code
Fax - Area Code
Fax - Number
Mobile - Country Code
Mobile - Area Code
Mobile - Number
Direct Dial - Country Code
Direct Dial - Area Code
Direct Dial - Number
Contact Address Type
Address - Attention
Address - Line 1
Address - Line 2
Address - City/Town
Address - State/Region
Address - Postal/Zip Code
Address - Country
Contact_tax_number
Bank Account Number
Contact Number
Status
Date
Due_date
Currency
Url
Attachment
Branding_theme
Number
Reference
Sent_to_contact
Line_items_type
Item Code
Description
Quantity
Required
Unit Price
Discount %
Discount Amount
Account
Tax Rate
Tracking
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Contact
Required
Project Name
Required
Deadline for the project
Project Estimate
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Contact
Required
Repeated Invoice Schedule
Invoice Creation: Frequency Type
Required
Invoice Creation: Frequency (Period)
Required
Due Date Type: Payment Terms
Required
Set Due Dates (Days)
Required
Start Date:
Required
End Date
Status
Required
Currency
Branding_theme
Reference
Mark as approved for sending?
Email a copy to Sender?
Include PDF
Line Amount Types
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Purchase Order
Required
Contact
Update Method for Line Items
Date
Delivery_date
Line Amount Types
Purchase Order Number
Reference
Branding Theme
Currency
Status
Sent to Contact
Delivery Address
Attention To
Telephone
Delivery Instructions
Expected_arrival_date
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Info
Organization
Required
Invoice_id
Required
Contact
Status
Date
Due_date
Expected_payment_date
Reference
Branding_theme
Url
Currency
Sent_to_contact
Attachments
Invoice_number
Line_amount_types
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Stop on error
Required
HTTP Method
Required
URL
Required
Query string parameters
Additional request headers
Body
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Organization
Required
Search_by
Required
Action
This is an event a Zap performs.
Search
Find existing data in your app
Organization
Required
Invoice ID
Required
Include PDF File
Include Online Invoice URL
Action
This is an event a Zap performs.
Search
Find existing data in your app
Organization
Required
Contact ID
Quote Number
Status
Action
This is an event a Zap performs.
Search
Find existing data in your app
Organization
Required
Search_by
Required
Include Online Invoice URL
Action
This is an event a Zap performs.
Search
Find existing data in your app
Organization
Required
Search_by
Required
Action
This is an event a Zap performs.
Search
Find existing data in your app
Organization
Required
Search_by
Required
Mark Item as a Sales Item?
Mark Item as a Purchase Item?
Item Name
Item Code
Required
Action
This is an event a Zap performs.
Search or write
Find existing data in your app, or create a new record if no data is found
For AI agents & developers
Use Mailchimp and Xero with AI agents and code
Beyond Zap workflows. Call Mailchimp and Xero actions directly from your AI client or your codebase, using the same 9,000+ app integrations Zapier already runs.
No code
Connect via Zapier MCP
Expose Mailchimp and Xero actions as tools in any MCP client. Authenticate once, then call them in natural language.
Example actions on this page
Archive Subscriber
Add Items to Existing Sales Invoice
Works with
Claude · ChatGPT · Cursor · any MCP-compatible client
There is no Python package yet. SDK is TypeScript-only (@zapier/zapier-sdk). The MCP server URL is personal to your account; get it at zapier.com/mcp.
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Customers who say using Zapier has made them better at their job
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Customers have created over 25 million Zaps on the platform
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The average user takes less than 6 minutes to set up a Zap
Practical ways you can use Mailchimp and Xero
Add new Mailchimp unsubscribes to Xero as contacts
Keep records updated effortlessly. When someone unsubscribes in Mailchimp, Zapier will automatically create a corresponding contact in Xero. This ensures your communication efforts in Xero stay on point.
Sync order and payment data seamlessly. When a new order is created in Mailchimp, Zapier will log it into Xero to keep accounting workflows efficient without additional manual inputs.
Segment email audiences from Xero using payment data
Reach the right audience with precise marketing. When a new payment is processed in Xero, Zapier adds the customer to a specific email tag in Mailchimp. This automation helps ensure targeted campaigns based on recent transactions, enhancing engagement metrics.
Learn how to automate Mailchimp on the Zapier blog
Learn how to automate Xero on the Zapier blog
Make work flow with AI
Level up your Mailchimp to Xero integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.
Frequently Asked Questions about Mailchimp + Xero integrations
New to automation with Zapier? You're not alone. Here are some answers to common questions about how Zapier works with Mailchimp and Xero
How do you set up the integration between Mailchimp and Xero?
To set up the integration between Mailchimp and Xero, you would typically use an automation platform to connect the two services. You start by selecting Mailchimp as your trigger app and choose a specific event like 'New Subscriber.' Then, you select Xero as your action app to decide on the appropriate action such as 'Create Contact.' Our platform guides you through authenticating both accounts seamlessly.
What types of triggers are available when integrating Mailchimp with Xero?
In our integration setup, you can use triggers from Mailchimp like 'New Subscriber,' 'Updated Subscriber,' or 'Campaign Sent.' Each of these triggers allows for different actions in Xero, like creating a new contact or updating existing contact details automatically.
Can I update existing contacts in Xero through this integration when someone subscribes via Mailchimp?
Yes, when a contact subscribes through Mailchimp, we can automate updates to existing contacts in Xero. Simply choose 'Update Contact' as an action after selecting a trigger event from Mailchimp. This ensures your records remain current without manual intervention.
Is it possible to trigger an invoice creation in Xero from a Mailchimp action?
While our current integrations primarily focus on syncing contact information, triggering financial transactions like invoice creation directly would require a custom solution. However, you can set alerts or notifications based on subscriber activities as indirect actions.
How secure is the data transfer between Mailchimp and Xero using this integration?
We prioritize data security and employ industry-standard encryption protocols during data transfer between Mailchimp and Xero. Our platform also requires authentication for each service to ensure that only authorized users can access the integrated workflows.
Are there any limitations on the frequency of data sync between these platforms?
The frequency of data sync depends on the plan chosen for automation services. Typically, event-driven triggers allow real-time updates but check your specific plan details regarding any limits or restrictions. Our automated processes aim to keep data as up-to-date as possible based on those settings.
Do I need technical skills to integrate Mailchimp with Xero?
No technical skills are required to integrate Mailchimp with Xero using our service. We offer a user-friendly interface that leads you step-by-step through configuration, even allowing customization of which fields are mapped during synchronization without needing code.
About Mailchimp
Mailchimp is an email and marketing automation platform built for growing businesses. Turn email and SMS into revenue.
Xero is an accounting app that lets you track businesses expenses and accounting with intuitive mobile apps and web interfaces for point-of-sale, ecommerce, time-tracking, and more.
