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  1. Why Connect to Mailchimp?
  2. Prerequisites
  3. Step-by-Step Walkthrough
  4. After Connecting
  5. First Export
  6. Troubleshooting
  7. 82+ Other ESPs
Connecting Mailchimp
Integrations Guide 10 min read

Connecting Mailchimp in Under 60 Seconds

MiN8T Team
MiN8T Editorial
ESP Integrations
Published April 3, 2026

Crafting the perfect email is only half the battle. The transition from design to deployment has historically been a frustrating bottleneck involving ZIP files, manual image uploads, and copy-pasted HTML. MiN8T eliminates all of that with a direct Mailchimp connection that takes under 60 seconds.

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What you will learn: Why direct integration matters, OAuth vs API key setup, step-by-step connection, exporting your first email, troubleshooting, and MiN8T's 82+ other ESP connectors.


1 Why Connect to Mailchimp?

Before direct integrations, getting a custom email into Mailchimp meant: export ZIP, unzip, upload images manually, open HTML in a code editor, replace every image path, copy-paste into Mailchimp, and pray nothing broke. If you spotted a typo, start over.

Email workflow efficiency

With MiN8T's direct connection you get:

  • 15 minutes saved per campaign - that is 50+ hours/year at 4 emails/week
  • Zero code breakage - HTML pushed via API, no human error
  • Automatic image hosting - images packaged and pushed with correct paths
  • Single source of truth - master designs in MiN8T, Mailchimp as the sending engine

2 Prerequisites

  • Mailchimp account with Owner, Admin, or Manager role (Viewer/Author can't authorize integrations)
  • MiN8T workspace - active account, logged in

OAuth vs API Key

  • OAuth (Recommended): One-click secure login. Click "Allow" in a pop-up. No technical knowledge needed.
  • API Key: For strict security policies. Generate in Mailchimp under Profile > Extras > API Keys.

3 Step-by-Step Walkthrough

Connecting Mailchimp to MiN8T
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Start the timer! This takes under 60 seconds.

  1. Log into MiN8T and open your dashboard
  2. Click the Integrations tab in the left navigation
  3. Search for "Mailchimp" or scroll to find it
  4. Click Connect on the Mailchimp card
  5. Select Connect via Mailchimp Login (OAuth)
  6. Enter your Mailchimp credentials in the secure pop-up and click Allow
  7. The pop-up closes - Mailchimp card now shows a green Connected badge

That is it. Under 60 seconds.


4 After Connecting

  • Export as Template - push designs to Mailchimp's Saved Templates
  • Push as Draft Campaign - create a campaign directly, just add audience and send
  • Merge Tag Protection - Mailchimp tags like *|FNAME|* are preserved perfectly
  • Overwrite Existing - fix a typo and re-export without creating duplicates

5 First Export

Exporting to Mailchimp
  1. Finalize your design in the MiN8T editor
  2. Run the pre-flight check (top toolbar checkmark icon)
  3. Click Export (top right)
  4. Select Mailchimp under Connected ESPs
  5. Choose Template or Draft Campaign
  6. Name it, select a folder, click Export to Mailchimp

Open Mailchimp > Campaigns > Email Templates. Your design is there, pixel-perfect.


6 Troubleshooting

Troubleshooting
  • OAuth pop-up blocked: Allow pop-ups from min8t.com in your browser settings
  • "Insufficient permissions": Your Mailchimp role must be Admin or Manager, not Viewer
  • Connection dropped: Password change or inactivity revokes tokens. Disconnect and reconnect.
  • Images missing: Mailchimp limits images to 1MB. Use MiN8T's image compression tool.

7 82+ Other ESPs

Mailchimp is just one of 82+ ESP connectors in MiN8T. Design once, send anywhere:

  • E-commerce: Klaviyo, Shopify, BigCommerce, WooCommerce
  • Enterprise: Salesforce Marketing Cloud, Braze, Marketo, Oracle Eloqua
  • Mid-market: HubSpot, ActiveCampaign, GetResponse, ConvertKit
  • Transactional: SendGrid, Postmark, Amazon SES, Mandrill
  • Regional: Brevo, MailerLite, Moosend, Selzy, and 60+ more
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Agency superpower: Manage 10 clients using 10 different ESPs, all from one MiN8T workspace. Design once, export to each client's connected platform.

Connect Mailchimp in 60 Seconds

Stop downloading ZIP files and copy-pasting HTML. One-click export from MiN8T to Mailchimp and 82+ other ESPs.

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