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Overview

Connect MailerLite to sync your partner and customer data for email marketing automation.

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Features

  • Subscriber syncing - Sync partners/customers as subscribers
  • Group management - Organize contacts into groups
  • Field mapping - Custom field support
  • Automation triggers - Trigger workflows on events

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Setup

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Step 1: Get API Key

  1. Log in to MailerLite
  2. Go to Integrations → API
  3. Copy your API key

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Step 2: Connect in Partnero

  1. Go to Program Settings → Integrations
  2. Select MailerLite
  3. Enter your API key
  4. Click Connect

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Step 3: Configure Settings

Select sync options:
SettingDescription
Default GroupGroup for new subscribers
Sync PartnersEnable partner sync
Sync CustomersEnable customer sync

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Synced Data

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Partner Fields

{
  "email": "[email protected]",
  "fields": {
    "name": "John Doe",
    "partner_key": "partner_123",
    "status": "active",
    "total_sales": 25,
    "total_earned": "750.00"
  }
}

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Customer Fields

{
  "email": "[email protected]",
  "fields": {
    "name": "Jane Smith",
    "referred_by": "partner_123",
    "customer_key": "cust_456"
  }
}

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Groups

Organize contacts into MailerLite groups:

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Automatic Groups

GroupContains
PartnersAll partners
Active PartnersActive partners only
Referred CustomersCustomers from referrals

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Custom Groups

Create custom groups based on:
  • Partner tier
  • Performance level
  • Program type
  • Geographic region

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Custom Fields

Set up custom fields in MailerLite:
  1. Go to Subscribers → Fields
  2. Create fields:
Field NameType
partner_keyText
statusText
total_salesNumber
total_earnedNumber
tierText

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Automations

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Welcome Workflow

Create welcome automation for new partners:
  1. In MailerLite, go to Automation
  2. Create workflow triggered by “Subscriber joins group”
  3. Select “Partners” group
  4. Build welcome email sequence

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Milestone Emails

Send emails on achievements:
  • First referral
  • First sale
  • Monthly summary

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Sync Triggers

Data syncs on these events:
EventAction
Partner createdAdd to MailerLite
Partner updatedUpdate fields
Partner status changeUpdate status field
Customer referredAdd to customers group

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Testing

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Test Connection

  1. Go to integration settings
  2. Click Test Connection
  3. Verify success message

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Test Sync

  1. Create test partner in Partnero
  2. Check MailerLite subscribers
  3. Verify fields are populated

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Troubleshooting

  • Verify API key is valid
  • Check MailerLite account limits
  • Ensure sync is enabled
  • Create fields in MailerLite first
  • Map field names correctly
  • Check for typos in field names
  • Check default group setting
  • Verify group mapping rules

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Next Steps

Mailchimp

Alternative: Mailchimp integration

MailerSend

Transactional email