MailerLite

86 tools available

MailerLite is an email marketing service that offers tools for creating and managing email campaigns, automating workflows, and building landing pages.

email newsletters marketing automation

Connect MailerLite Visit MailerLite ↗

Connect MailerLite to Definable to automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas call MailerLite's 86 tools directly from chat or scheduled flows. You can wire it into any persona to read, write, and react when an event fires.

Common workflows with MailerLite

Trigger on event

Listen for a new event
Parse and validate the payload
Take an action with the linked tool

Daily summary

Pull yesterday's activity
Summarise with the model of your choice
Send the digest via email or Slack

Cross-tool sync

Read records from one app
Transform with a persona
Write the result back via this integration

MailerLite actions 86

Every MailerLite action below is a callable tool any Definable persona can invoke.

Add Product to Category

Tool to add a product to a category in an e-commerce shop. Use when you need to assign or link a product to a specific category for organization and marketing purposes.

Add Subscriber To Group

Tool to assign an existing subscriber to a group. Use when you need to add a subscriber to a specific group in your MailerLite account.

Create automation

Create Campaign

Tool to create a new email campaign (draft) with specified type, content, and targeting. Use when you need to create a campaign programmatically with email settings and optional audience targeting via groups or segments. HTML content support is also plan-dependent; insufficient plan capabilities result in `can_be_scheduled=false` on the created draft.

Create E-commerce Cart Item

Tool to add an item to a shopping cart. Creates the cart if it does not exist. Use for abandoned cart automation.

Create E-commerce Category

Tool to create a new product category for a shop. Use when organizing products into categories or setting up shop taxonomy with automation preferences.

Create/Update E-commerce Customer

Tool to create or update a customer record for a shop. Use when syncing shop customers or onboarding new purchases.

Create E-commerce Order

Tool to create a new order for a shop. Use when recording customer purchases or syncing order data from external systems.

Create E-commerce Product

Tool to create a new product for an e-commerce shop. Use when adding products to a shop for tracking sales, automations, and customer interactions.

Create E-commerce Shop

Tool to connect a new e-commerce shop. Use when you need to integrate a store for automations, product imports, and sales tracking.

Create Field

Tool to create a new custom field. Use when distinct subscriber attributes are needed before assigning or updating subscriber data. Call once per field key.

Create Group

Tool to create a new subscriber group. Use after deciding the group name for categorization. Store `group_id` from the response — required by MAILERLITE_UPDATE_GROUP, MAILERLITE_DELETE_GROUP, and MAILERLITE_GET_GROUP_SUBSCRIBERS.

Create Segment

Tool to create a new subscriber segment. Use when grouping subscribers by custom criteria before sending targeted campaigns.

Create Subscriber

Tool to create or update (upsert) a subscriber by email. Use when adding new subscribers or updating existing ones without needing their ID. If subscriber exists, updates non-destructively (omitted fields/groups are preserved).

Create Webhook

Tool to register a new webhook URL for specified event types. Use when you need real-time notifications for selected MailerLite events.

Delete Automation

Tool to delete an automation workflow by ID. Deletion is permanent and irreversible — always require explicit user confirmation before calling. Use when you need to remove an automation after confirming it's no longer needed. Returns success=True on 204 No Content.

Delete E-commerce Cart Item

Tool to remove an item from a cart in an e-commerce shop. Use when you need to delete a specific product from a customer's shopping cart.

Delete E-commerce Category

Tool to delete a product category from an e-commerce shop by IDs. Use when you need to remove a specific category from your MailerLite store.

Delete E-commerce Customer

Tool to delete a customer from an e-commerce shop by IDs. Use when you need to remove a specific customer from your MailerLite store.

Delete E-commerce Order

Tool to delete an order from a shop. Use when you need to remove an order and its associated cart from MailerLite. Returns the deleted order details on success.

Delete E-commerce Product

Tool to delete a product from an e-commerce shop by IDs. Use when you need to remove a specific product from your MailerLite store.

Delete E-commerce Shop

Tool to disconnect an e-commerce shop by ID. Use when you have the shop's unique identifier and want to remove it from your MailerLite account.

Delete Field

Tool to delete a custom field. Use when a field is obsolete and you need to remove it from your MailerLite account. Returns success=True on 204 No Content.

Delete Group

Tool to delete a subscriber group by ID. Permanently removes the group and all its subscriber associations — irreversible with no undo. Use when you need to remove an existing subscriber group from your MailerLite account. Require explicit user confirmation before invoking. Returns success=True on 204 No Content.

Delete Segment

Tool to delete a segment by ID. Use when you need to remove an existing segment from your MailerLite account. Returns success=True on 204 No Content.

Delete Subscriber

Tool to delete a subscriber by ID. Use when you have the subscriber ID and want to remove them from your MailerLite account. Returns success=True on 204 No Content.

Delete Webhook

Tool to remove a webhook subscription by ID. Use when you need to delete a webhook after confirming it is no longer needed. Returns success=True on 204 No Content.

Execute Batch Request

Tool to execute multiple API requests in a single batch call (max 50 requests). Use when you need to perform multiple operations efficiently or reduce API call overhead. Note: Individual request failures don't stop batch processing; check each response code. Webhooks are not supported in batch requests.

Forget Subscriber

Tool to forget a subscriber completely (GDPR compliant deletion). Use when you need to permanently delete all subscriber data within 30 days.

Get Account Info

Tool to retrieve basic MailerLite account details. Use when you need to verify authentication and review account metadata. Response payload is nested under results[i].response.data with data and meta subkeys — not a flat data key. Does not return a dedicated sender-domain list; absent domain fields indicate unknown status, not verified or unverified.

Get Account Stats

Tool to retrieve usage statistics and performance metrics for the account. Use after sending campaigns to analyze engagement and deliverability.

Get Automation

Tool to retrieve details of a specific automation by ID. Use when you have the automation ID and need its full configuration. Example: "Get automation 7267552".

Get Automation Activity

Tool to retrieve subscriber activity for a specific automation. Use when you need to track automation execution status and subscriber progress through workflows. Requires filter[status] parameter to be specified.

Get Campaign Languages

Tool to retrieve a list of all available campaign languages. Use when you need to fetch supported languages for creating or configuring campaigns.

Get Campaigns

Tool to retrieve a list of all campaigns. Use when you need to fetch campaigns optionally filtered by status or type, with pagination.

Get E-commerce Cart

Tool to fetch details of a specific cart by shop ID and cart ID. Use when you need to retrieve cart information including customer, items, total, and checkout URL.

Get E-commerce Cart Item

Tool to fetch details of a specific cart item by shop ID, cart ID, and item ID. Use when you need to retrieve information about a specific item in a cart.

Get E-commerce Category

Tool to fetch details of a specific product category by shop and category ID. Use when you need information about a specific e-commerce category.

Get E-commerce Customer

Tool to fetch details of a customer by shop and customer ID. Use after confirming shop_id and customer_id.

Get E-commerce Customers

Tool to list customers for a specific shop. Use when you need to retrieve and paginate ecommerce customers after you have a shop ID. Example: "List customers for shop 123".

Get E-commerce Order

Tool to fetch details of a specific e-commerce order by shop ID and order ID. Use when you need to retrieve order information including customer, cart items, total, and status.

Get E-commerce Product

Tool to fetch details of a specific e-commerce product by shop and product ID. Use when you need product information such as name, price, description, and categories.

Get E-commerce Shop

Tool to fetch details of a specific e-commerce shop by ID. Use when you need detailed configuration or stats of a connected shop.

Get E-commerce Shops

Tool to list all e-commerce shops connected to the account. Use when you need to retrieve and paginate shop listings for an account.

Get Fields

Tool to retrieve all custom fields defined in the account. Use when you need to list or paginate through subscriber custom fields.

Get Group

Tool to retrieve details of a specific subscriber group by ID. Use when you need information about a particular group's statistics and configuration.

Get Groups

Tool to retrieve all subscriber groups. Use when listing, paginating, or looking up group IDs for use in downstream tools (e.g., `trigger.settings.group_id`). Always verify returned IDs exactly match before passing to other tools; mismatched IDs cause silent failures.

Get Group Subscribers

Tool to list subscribers within a group by ID. Use when you need to retrieve subscribers belonging to a specific MailerLite group before targeted campaigns. Use after confirming the group ID is valid.

Get Import Status

Tool to retrieve the status and detailed report of a subscriber import operation by import ID. Use after initiating an import to track progress and review results including validation issues, duplicates, and processing statistics.

Get Segment

Tool to retrieve a specific segment by ID. Use when you need to get details about a particular segment including subscriber count, open rate, and click rate statistics.

Get Segments

Tool to retrieve all segments in the account. Use when you need to list or paginate through segments.

Get Segment Subscribers

Tool to retrieve all subscribers belonging to a specific segment. Use when you need to list or paginate through subscribers in a MailerLite segment for targeted campaigns or analysis.

Get Subscriber

Tool to fetch a single subscriber by ID or email address. Use when you need to retrieve detailed information about a specific subscriber.

Get Subscriber Activity

Tool to fetch the activity log for a specific subscriber. Use when you need to track subscriber engagement history including email opens, link clicks, bounces, and other events.

Get Subscribers

Tool to retrieve all subscribers. Use after connecting account and when listing subscribers by status or paginating. Response payload nested under results[i].response.data with data and meta subkeys. Paginate all pages before computing metrics to avoid sampling bias. Limited by MailerLite Connect API quotas.

Get Subscribers Stats

Tool to get subscriber statistics for the account. Use to retrieve counts of total, active, unsubscribed, unconfirmed, bounced, and junk subscribers.

Get Webhook

Tool to retrieve details of a specific webhook by ID. Use when you need to get information about a particular webhook configuration.

Get Webhooks

Tool to retrieve all configured webhooks. Use when you need to list webhooks for your MailerLite account.

Import E-commerce Categories

Tool to bulk import categories to an e-commerce shop. Use when you need to add multiple categories at once to a shop.

Import E-commerce Orders

Tool to bulk import orders to an e-commerce shop. Use when syncing historical orders or bulk loading order data. Products must exist before importing orders.

Import E-commerce Products

Tool to bulk import products to an e-commerce shop. Use when you need to add multiple products to a shop in one request.

Import Subscribers to Group

Tool to bulk import multiple subscribers to a specific group. Use when adding many subscribers at once is more efficient than individual creation. The import runs asynchronously by default; use the returned progress URL to check completion status.

List Automations

Tool to retrieve all automations in your MailerLite account. Use when you need to list automations, optionally filtered by status, name, or group. Supports pagination for large result sets.

List E-commerce Cart Items

Tool to list all items in a specific cart for an e-commerce shop. Use when you need to retrieve items from a cart after you have both a shop ID and cart ID.

List E-commerce Carts

Tool to list all carts for a specific shop. Use when you need to retrieve abandoned or active shopping carts after you have a shop ID. Example: "List carts for shop 49095".

List E-commerce Categories

Tool to list all product categories for a shop. Use when you need to retrieve or paginate through categories.

List E-commerce Category Products

Tool to list all products in a specific e-commerce category. Use when you need to retrieve products for a given shop and category combination.

List E-commerce Orders

Tool to list all orders for a specific e-commerce shop. Use when you need to retrieve and paginate orders for a shop after you have a shop ID.

List E-commerce Products

Tool to list all products for a specific e-commerce shop. Use when you need to retrieve and paginate product listings after you have a shop ID.

List Forms

Tool to retrieve all forms of a specific type (popup, embedded, or promotion). Use when you need to list forms with optional filtering by name and pagination support.

List Timezones

Tool to retrieve all available timezones supported by MailerLite. Use when you need to get timezone options for campaigns, automations, or scheduling.

Remove Product From Category

Tool to remove a product from a category in an e-commerce shop. Use when you need to unlink a product from a specific category without deleting the product itself.

Remove Subscriber From Group

Tool to remove a subscriber from a group by ID. Use when you need to unassign a subscriber from a specific group in your MailerLite account. Returns success=True on 204 No Content.

Set Double Opt-In

Tool to enable or disable double opt-in for new subscribers. Use when configuring subscription confirmation settings.

Update E-commerce Cart

Tool to update an existing cart's checkout URL or total price. Use when you need to modify cart details like the checkout link or recalculate the cart total for an active shopping cart.

Update E-commerce Cart Item

Tool to update a cart item's quantity or properties in an e-commerce cart. Use when you need to modify an existing item in a customer's cart.

Update E-commerce Category

Tool to update an existing product category in an e-commerce shop. Use when you need to modify the category name or automation settings.

Update E-commerce Customer

Tool to update a customer's data for a shop by IDs. Use when you need to change email, marketing opt-in, or spend totals for an existing customer.

Update E-commerce Order

Tool to update an existing order's status or total price in an e-commerce shop. Use when you need to mark orders as complete or adjust pricing. Note: Cannot update cart or customer through this endpoint.

Update E-commerce Product

Tool to update an existing product in an e-commerce shop by IDs. Use when you need to modify product details like name, price, description, or URL.

Update E-commerce Shop

Tool to update settings of a connected e-commerce shop by ID. Use when you need to modify shop details (name, URL, currency) or toggle features after verifying the shop exists.

Update Field

Tool to update the title of an existing custom field. Use when renaming a field label (e.g., correct typos or rebranding).

Update Group

Tool to update a group's name by ID. Use when renaming an existing group after confirming its ID. Note: renaming does not update references in downstream integrations or reports that use the old group name.

Update Segment

Tool to rename an existing segment by ID. Use when you need to update a segment's name after confirming its ID.

Update Subscriber

Tool to update an existing subscriber's information by ID. Use when altering subscriber details.

Update Webhook

Tool to update an existing MailerLite webhook. Use when you need to change its URL or event triggers by ID.

Frequently asked questions

What can I automate with MailerLite on Definable?

Anything MailerLite exposes through its API. Common email newsletters workflows on Definable include automate repetitive tasks, sync data with the rest of your stack, trigger on real-world events. Personas can call any of the 86 MailerLite tools directly, then chain the result into another integration without you writing code.

How does MailerLite authentication work?

MailerLite uses API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.

Is the MailerLite integration included in my Definable plan?

Yes — every Definable plan, including Starter, includes access to all 86 MailerLite tools. You only need a separate MailerLite subscription if MailerLite itself charges per seat or per API call.

Is using MailerLite through Definable secure?

Every call from a persona to MailerLite is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.

How do I get started with MailerLite on Definable?

Sign up for Definable, open the integrations page, find MailerLite, and connect via OAuth or API key. You can immediately attach MailerLite to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.

What MailerLite actions does Definable expose?

Definable exposes all 86 MailerLite actions as callable tools — including `Add Product to Category`, `Add Subscriber To Group`, `Create automation`, plus 83 more. Each tool gets a typed parameter schema so personas know exactly how to call it.

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