Integration
Connect GoHighLevel and MailerLite Classic
When New or updated contact fires in GoHighLevel, your agent runs Add Subscriber to Group in MailerLite Classic, or New Group in MailerLite Classic to Create contact in GoHighLevel. Describe the whole flow and it is built, tested on every scenario and kept running.
What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.
Build solutions, not workarounds.
What do you want GoHighLevel and MailerLite Classic to do together?
Ask the assistant
Connect your AI client
Give your AI client this address.
https://mcp.apiant.aiOne connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.
Set it up in your client
Claude Code
Run this in the directory you want to work in.
claude mcp add --transport http -s project apiant-ai https://mcp.apiant.aiStart Claude Code there, approve the server, and sign in in the browser page it opens.
Claude Code guide (opens in a new tab)Claude, web and desktop
Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.
Setup guide (opens in a new tab)Cursor
Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.
Setup guide (opens in a new tab)Zed
Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.
Setup guide (opens in a new tab)Codex and the ChatGPT desktop app
Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.
Setup guide (opens in a new tab)Any other MCP client
Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.
Setup guide (opens in a new tab)Example flows
What GoHighLevel and MailerLite Classic can do together
From GoHighLevel to MailerLite Classic
When New or updated contact in GoHighLevel
then Add Subscriber to Group in MailerLite Classic
When New or updated contact in GoHighLevel
then Create Campaign in MailerLite Classic
From MailerLite Classic to GoHighLevel
When New Group in MailerLite Classic
then Create contact in GoHighLevel
When New Group in MailerLite Classic
then Create task in GoHighLevel
Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships.
Everything your agent can do with GoHighLevel and MailerLite Classic
Triggers and actions 2 triggers · 50 actions
Trigger
New or updated contactTriggered when a contact is created or updated in your HighLevel sub-account.
Action
Add or Remove Tags on Multiple ContactsAdds or removes a list of tags on many contacts in one call. Choose add or remove, then supply the contact IDs and tags.
Action
Create appointmentBook a new calendar appointment.
Action
Create contactCreate a new contact in HighLevel.
Action
Create noteAdd a note to a contact.
Action
Create opportunityCreates a new opportunity for a contact in a pipeline. Unlike Upsert opportunity it never updates an existing one; whether HighLevel allows a second opportunity for the same contact in the same pipeline depends on the sub-account's duplicate-opportunity setting.
Action
Create taskCreate a task on a contact.
Action
Delete appointmentCancel/delete a calendar event or appointment.
Action
Delete contactDelete a contact.
Action
Delete noteDelete a note from a contact.
Action
Delete taskDelete a task from a contact.
Action
Find contactsSearch contacts by name, email, phone, or other criteria.
Action
Find conversationsSearch conversations by contact or other criteria.
Action
Find opportunitiesSearch opportunities by pipeline, stage, contact, or other criteria.
Action
Get appointmentRetrieve a single calendar appointment by ID.
Action
Get calendarRetrieve a single calendar's configuration by ID.
Action
Get contactRetrieve a single contact by ID.
Action
Get conversationRetrieve a single conversation by ID.
Action
Get noteRetrieve a single note on a contact.
Action
Get opportunityRetrieve a single opportunity by ID.
Action
List calendar eventsList calendar events within a date range.
Action
List calendarsList all calendars for the location.
Action
List notesList all notes on a contact.
Action
List tasksList all tasks on a contact.
Action
Remove tags from contactRemove one or more tags from a contact.
Action
Send a messageSend an SMS, email, or other conversation message to a contact.
Action
Update appointmentUpdate an existing calendar appointment.
Action
Update contactUpdate an existing contact's fields.
Action
Update noteUpdate an existing note on a contact.
Action
Update opportunityUpdate an existing opportunity's fields.
Action
Update taskUpdate an existing task on a contact.
Action
Upsert contactCreate a contact or update it if a matching contact already exists.
Action
Upsert opportunityCreate an opportunity or update it if a matching one already exists.
Trigger
New GroupTriggered when a new subscriber group is created in MailerLite.
Action
Add Subscriber to GroupAdds a subscriber to a MailerLite group, creating the subscriber if they do not exist yet.
Action
Create CampaignCreates a new regular or A/B email campaign addressed to the chosen groups or segments. Its HTML content is added afterwards.
Action
Create GroupCreates a new subscriber group in the MailerLite account and returns the created group.
Action
Delete CampaignDeletes a campaign from the MailerLite account. A scheduled campaign cannot be deleted until it has been cancelled.
Action
Delete GroupDeletes a subscriber group from the MailerLite account.
Action
Find Group by NameReturns the subscriber groups that match the specified group name.
Action
Get GroupReturns one subscriber group by its id, including its name, subscriber counts, email activity totals and dates.
Action
List CampaignsReturns the campaigns in your MailerLite account with the chosen status, with a basic summary and open and click stats for each campaign.
Action
List GroupsReturns the subscriber groups in the MailerLite account, with each group's subscriber counts, email stats and created and updated dates.
Action
List SegmentsReturns the segments stored in your MailerLite account, with each segment's title, rules, subscriber count and email engagement totals.
Action
List Subscriber GroupsReturns the groups a subscriber belongs to, with each group's subscriber counts and sent, opened and clicked totals.
Action
List SubscribersReturns the subscribers in the MailerLite account, optionally limited to one status such as active or unsubscribed.
Action
Remove Subscriber From a GroupRemoves a subscriber from a group, identified by the subscriber's id or email address. The subscriber stays in the account and in any other groups.
Action
Search SubscribersReturns the subscribers in your MailerLite account that match a search term, such as an email address or name.
Action
Send CampaignSends a draft campaign immediately or schedules it for a later time, and returns the campaign with its status and emails.
Action
Set Campaign ContentSets the HTML and plain-text content of a draft campaign, replacing what the campaign's email contains.
Action
Unsubscribe SubscriberMarks a subscriber as unsubscribed across the MailerLite account and returns the updated subscriber. Their name and fields can be updated in the same step.
Action
Update GroupRenames an existing subscriber group and returns the updated group with its subscriber and email counts.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews
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Questions
GoHighLevel and MailerLite Classic, answered
What can start an automation from GoHighLevel?
Any of GoHighLevel's 1 trigger in the catalog, including New or updated contact. Describe the moment in plain language and your agent picks the right one.
What can your agent do in MailerLite Classic when something happens in GoHighLevel?
Any of MailerLite Classic's 18 actions, including Create Campaign, Create Group, Send Campaign and Update Group. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from MailerLite Classic to GoHighLevel?
Yes. When something happens in MailerLite Classic, your agent can act in GoHighLevel too. This page covers both directions: MailerLite Classic's triggers and GoHighLevel's actions are listed here as well.
Do I have to build a connector for GoHighLevel or MailerLite Classic?
No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running.
Can my AI client use GoHighLevel and MailerLite Classic without building an automation?
Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both.
What happens when something fails?
Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.
Is there a free plan?
Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.