MailerLite

Email marketing software
Connect it
In Keystile Automations → Connections → New connection, choose MailerLite and sign in. Your AI tools and workflows then use it through Keystile; they never see the password or key.How connecting works.
Try it from your AI tool
Using Keystile, in MailerLite: count subscribers (Get the total number of subscribers in the account).What it can do (48 actions)
| Action | What it does | Changes data |
|---|---|---|
| Add or Update subscriber | Create a new subscriber or updates an existing one if the email already exists. | Yes |
| Add Subscriber to a Group | Adds existing subscriber to a specific group. | Yes |
| Count Subscribers | Get the total number of subscribers in the account. | |
| Create Automation Draft | Create an empty, disabled automation draft. | Yes |
| Create Campaign Draft | Create a regular email campaign as a draft. It is never sent. | Yes |
| Create Field | Create a custom subscriber field. | Yes |
| Create Group | Create a new group. | Yes |
| Create Webhook | Create a webhook that posts MailerLite events to a URL. | Yes |
| Custom API Call | Make a custom API call to a specific endpoint | Yes |
| Delete Automation | Delete an automation. | |
| Delete Campaign | Delete a campaign. | |
| Delete Field | Delete a custom field. | |
| Delete Group | Delete a subscriber group. | |
| Delete Segment | Delete a segment. | |
| Delete Subscriber | Delete a subscriber. MailerLite keeps their data in case they re-subscribe. | |
| Delete Webhook | Delete a webhook. | |
| Find a Subscriber | Search for subscriber by email or name. | |
| Find Groups by Name | Find subscriber groups whose name contains a text. | |
| Forget Subscriber (GDPR) | Remove a subscriber and permanently erase their data (GDPR). | |
| Get Automation | Get an automation by ID. | |
| Get Automation Activity | List subscriber activity in an automation. | |
| Get Campaign | Get a campaign by ID. | |
| Get Form | Get a form by ID. | |
| Get Import Status | Get the progress and report of a subscriber import. | |
| Get Subscriber Activity | List the activity log of a subscriber. | |
| Get Webhook | Get a webhook by ID. | |
| Import Subscribers to Group | Start a bulk import of subscribers into a group. | Yes |
| List Automations | List the automations in the account. | |
| List Campaign Languages | List the languages available for campaigns. | |
| List Campaigns | List campaigns, optionally filtered by status and type. | |
| List Fields | List the subscriber fields in the account. | |
| List Form Subscribers | List the subscribers who signed up through a form. | |
| List Forms | List signup forms of one type. | |
| List Group Subscribers | List the subscribers belonging to a group. | |
| List Groups | List groups in the account, one page at a time. | |
| List Segment Subscribers | List the subscribers that match a segment. | |
| List Segments | List the segments in the account. | |
| List Subscribers | List subscribers, optionally filtered by status. | |
| List Timezones | List the timezones MailerLite supports. | |
| List Webhooks | List the webhooks in the account. | |
| Remove Subscriber from a Group | Removes subscriber from a specific group. | Yes |
| Rename Field | Rename a custom field. | Yes |
| Rename Group | Rename a subscriber group. | Yes |
| Rename Segment | Rename a segment. | Yes |
| Unsubscribe Subscriber | Set a subscriber status to unsubscribed. | |
| Update Campaign Draft | Update a draft campaign, keeping the values you do not change. | Yes |
| Update Subscriber | Update fields or status of an existing subscriber. | Yes |
| Update Webhook | Update a webhook, changing only the values you supply. | Yes |
Start a workflow when… (4 triggers)
- Subscriber Created — Triggers when a subscriber was created on your mailing list.
- Subscriber Fields Updated — Triggers when the subscriber fields have been updated.
- Subscriber Unsubscribed — Triggers when a subscriber has unsubscribed from your mailing list.
- Subscriber Added to Group — Triggers when a subscriber is added to a group.
How Keystile protects it
Every MailerLite action is checked before it runs, whether it comes from an AI tool or a workflow. 16 of its actions change data; your rules, limits and budgets decide whether each is allowed, held for a person or stopped, and it all goes into the signed record.
Use MailerLite with your AI assistant — safelyClaude, Cursor or ChatGPT do the work; Keystile checks every action first.
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