Connect Letterby and MailerLite to power AI-driven automation

No-code AI automation
Full audit trails and controls
SOC 2 and GDPR compliant
Easy visual workflow builder
9,000+ apps, 450+ AI tools
Free tier available

Choose a Trigger

Choose an Action

Top companies trust Zapier to automate work that solves their unique business problems—no coding required.

How Zapier works

Zapier makes it easy to integrate Letterby with MailerLite - no code necessary. See how you can get setup in minutes.

100%

Help

1. Choose trigger event

2. Choose action

1. Select the event

Setup

Test

App

Trigger event

Choose a trigger event

Choose a trigger

A trigger is the event that starts your Zap—like a "New Audience" from Letterby.

Add your action

An action happens after the trigger—such as "Add Subscriber to a Group" in MailerLite.

You’re connected!

Zapier seamlessly connects Letterby and MailerLite, 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.

- List ID
  Required
Trigger
Polling
Try It
- Contact ID
  Required
Trigger
Polling
Try It
- Name
  Required
- List ID
  Required
- Audience Mode
- Filters
Action
Write
- List ID
  Required
- Email
  Required
- First Name
- Last Name
- Phone Number
- Additional data
- Unsubscribed
- isVerified
- Points
- Referrals
- Address
- isGDPR
- Name
- Instagram
- Twitter
- Website
- Company
- Country
- City
Action
Write
- Audience ID
  Required
Action
Write

- Reward ID
  Required
- Action name
  Required
- Increase
  Required
Action
Write
- Contact ID
  Required
- Email
- First Name
- Last Name
- Phone Number
- Additional data
- Unsubscribed
- isVerified
- Points
- Referrals
- Address
- isGDPR
- Name
- Instagram
- Twitter
- Website
- Company
- Country
- City
Action
Write

Subscriber Opened Campaign
Triggers when a subscriber opens a campaign.
Trigger
Instant
Try It
Spam Complaint
Triggers when a subscriber issues a spam complaint about an email.
Trigger
Instant
Try It
- Automation
  Required
Trigger
Instant
Try It
Subscriber Created
Triggers when a subscriber was created on your mailing list.
Trigger
Instant
Try It
- Subscriber Group
  Required
Trigger
Instant
Try It
Subscriber Unsubscribed
Triggers when a subscriber has unsubscribed from your mailing list.
Trigger
Instant
Try It
- Subscriber Group
  Required
- Email
  Required
Action
Write
- Campaign name
  Required
- Email subject
  Required
- Email sender name
  Required
- Email from address
  Required
- Email content
  Required
- Subscriber Groups
- Subscriber Segments
Action
Write
- Subscriber Groups
- Email
  Required
- Resubscribe
Action
Write
- Campaign name
  Required
- Email subject
  Required
- Email sender name
  Required
- Email from address
  Required
- Email content
  Required
- Subscriber Groups
- Subscriber Segments
Action
Write
- Group name
  Required
Action
Search

New List
Triggers when a new list is created.
Trigger
Polling
Try It
- List ID
  Required
Trigger
Polling
Try It
- Contact ID
  Required
- Email
  Required
- Action
  Required
- Points
  Required
Action
Write
- Reward ID
  Required
Action
Write
- Contact ID
  Required
Action
Write
- Audience ID
  Required
- Audience Name
- Audience Mode
- Filters
Action
Write
Subscriber Clicked Campaign Link
Triggers when a subscriber clicks a link in a campaign.
Trigger
Instant
Try It
Campaign Sent
Triggers when a campaign has been sent out.
Trigger
Instant
Try It
- Subscriber Group
  Required
Trigger
Instant
Try It
Subscriber Bounced
Triggers when an email to a subscriber bounces.
Trigger
Instant
Try It
Subscriber Deleted
Triggers when a subscriber is deleted or forgotten.
Trigger
Instant
Try It
- Automation
  Required
Trigger
Instant
Try It
Subscriber Fields Updated
Triggers when the subscriber fields have been updated.
Trigger
Instant
Try It
- Email
  Required
- New Email
  Required
Action
Write
- Group name
  Required
Action
Write
- Subscriber Group
  Required
- Email
  Required
Action
Write
- Email
  Required
Action
Write
- Email or name
  Required
Action
Search

Zapier is the automation platform of choice for 87% of Forbes Cloud 100 companies in 2023

G2 Badge - Most Implementable - Winter 2024

G2 Badge - Leader Mid-Market - Winter 2024

93%

Customers who say using Zapier has made them better at their job

25m

Customers have created over 25 million Zaps on the platform

6 mins

The average user takes less than 6 minutes to set up a Zap

Connect Letterby and MailerLite to integrate crucial parts of your business

With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.

Automate your lead management and improve conversions

With Zapier, you can automate every part of your lead funnel and give yourself the best chance at converting leads. Automate everything from lead capture to outreach to reporting—and close more deals as a result.

Create more impactful campaigns with automation

Measuring campaign performance across platforms can get chaotic. Plus, digging up the right metrics costs you precious time and effort. With Zapier, you can create a centralized view of your performance, skillfully manage your lists, and ensure your campaigns drive ROI across the business.

Provide world-class support with a little help from automation

Support reps can't be productive when they have to track down crucial information for every incident or ticket. With Zapier, you can automatically send your reps the context they need to resolve tickets quickly and create a seamless customer experience.

Automate your way to actionable, up-to-date data

The days of manually exporting and importing data are over. With Zapier, you can send data where it needs to go, in the format you need it—so you can centralize your data and unlock more insights.

Resolve incidents faster with automation

Your technical support team wants to focus on tech tickets rather than admin work. With Zapier, you can automate everything from ticket creation to routing to inter-team communication—eliminating friction from incident management and increasing speed to resolution.

Learn how to automate MailerLite on the Zapier blog

Make work flow with AI

Level up your Letterby to MailerLite integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.

Learn about AI automation

About Letterby

Letterby is a waitlist tool with built-in gamification.

HelpHelp

Related categories

Marketing

About MailerLite

MailerLite’s super-fast email marketing platform helps you grow your business online using innovative email designs, automations, email segmentation and intuitive no-code tools to create websites, landing pages, and signup forms.

Learn moreLearn moreHelpHelp

Related categories

Marketing Automation

Similar apps

Zapier Forms

App Builder, CRM (Customer Relationship Management), Forms & Surveys, Zapier