MailOdds

Mailchimp + MailOdds

Validate subscriber emails to keep your Mailchimp audience clean. Remove invalid addresses, reduce bounces, and protect your sender reputation.

Setup time: 5-10 min
Difficulty: Beginner
1,000 free validations included

Prerequisites

  • MailOdds account with API key
  • Mailchimp account with audience
  • Zapier or Make account

Mailchimp Use Cases

New Subscriber Validation

Validate emails as people join your audience. Auto-archive invalid subscribers before they receive campaigns.

Pre-Campaign List Clean

Bulk validate your audience before major sends. Remove invalid addresses to keep bounce rates under 2%.

Disposable Email Detection

Catch disposable and temporary emails that inflate subscriber counts without engagement.

Segment by Email Quality

Tag subscribers by validation status. Send critical campaigns only to verified addresses.

Step-by-Step Setup

1

Get API Keys

MailOdds API key from dashboard. Mailchimp API key from Account > Extras > API Keys.

2

Create Zap: New Subscriber

Trigger on "New Subscriber" in Mailchimp. Map email_address to validation Code step.

3

Validate with MailOdds

Code step validates the email. Returns status, action, disposable flag, and quality score.

4

Route by Result

Filter: if invalid, archive the subscriber. If valid, add "verified-email" tag.

5

Create Segments

In Mailchimp, create segments using tags. Target verified subscribers for important campaigns.

Zapier: Validate Mailchimp Subscriber

JAVASCRIPT
// Zapier Code Step - Validate Mailchimp Subscriber Email
const response = await fetch('https://api.mailodds.com/v1/validate', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    email: inputData.email // Mapped from Mailchimp subscriber email
  })
});

const result = await response.json();

return {
  email: result.result.email,
  status: result.result.status,
  action: result.result.action,
  is_valid: result.result.action === 'accept',
  is_disposable: result.result.disposable || false
};

Make: Mailchimp List Validation

JAVASCRIPT
// Make Scenario - Mailchimp List Validation
// 1. Mailchimp: Watch New Subscribers (trigger)
// 2. HTTP Module: POST to https://api.mailodds.com/v1/validate
//    Headers: Authorization: Bearer YOUR_API_KEY
//    Body: { "email": "{{1.email_address}}" }
// 3. Router: Branch by action
//    - "reject" -> Mailchimp: Unsubscribe/Archive Member
//    - "accept_with_caution" -> Mailchimp: Add Tag "risky-email"
//    - "accept" -> Mailchimp: Add Tag "verified-email"
// 4. Mailchimp: Update Member Merge Fields
//    VALIDATION = {{2.result.status}}

Zapier: Remove Invalid Subscribers

JAVASCRIPT
// Zapier: Remove Invalid Subscribers from Mailchimp
// After validation, clean invalid emails from your audience:
//
// Step 1: Code by Zapier (validation above)
// Step 2: Filter - Only continue if is_valid = false
// Step 3: Mailchimp - Unsubscribe Email
//    List: Your Main Audience
//    Email: {{trigger.email_address}}
//    Status: "cleaned" (permanent removal)
//
// Alternative: Archive instead of unsubscribe
// to keep the record but prevent future sends.

Frequently Asked Questions

Troubleshooting

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Clean Your Mailchimp Audience

Get 1,000 free validations. Remove invalid subscribers and reduce bounces.