Integration
Connect MailerLite Classic and OnceHub
When New Group fires in MailerLite Classic, your agent runs Create Contact in OnceHub, or Booking Completed in OnceHub to Add Subscriber to Group in MailerLite Classic. 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 MailerLite Classic and OnceHub 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 MailerLite Classic and OnceHub can do together
From MailerLite Classic to OnceHub
When New Group in MailerLite Classic
then Create Contact in OnceHub
When New Group in MailerLite Classic
then Update Contact in OnceHub
From OnceHub to MailerLite Classic
When Booking Completed in OnceHub
then Add Subscriber to Group in MailerLite Classic
When Contact Updated in OnceHub
then Create Campaign in MailerLite Classic
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 MailerLite Classic and OnceHub
Triggers and actions 16 triggers · 35 actions
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.
Trigger
Booking CanceledTriggers when a OnceHub booking is canceled by the customer or by someone on your team.
Trigger
Booking Cancelled and RescheduledTriggers when a customer cancels a OnceHub booking and then reschedules it on a different booking page.
Trigger
Booking CompletedTriggers when a OnceHub booking's end time has passed and the meeting is marked completed.
Trigger
Booking Lifecycle EventTriggers on any OnceHub booking event — scheduled, rescheduled, reassigned, canceled, completed or no-show — with the event name included so you can branch on it.
Trigger
Booking No-ShowTriggers when a OnceHub booking is marked as a no-show.
Trigger
Booking RescheduledTriggers when a OnceHub booking is rescheduled to a new time.
Trigger
Booking ScheduledTriggers when a new OnceHub booking is scheduled.
Trigger
Contact CapturedTriggers when a new contact is captured in OnceHub.
Trigger
Contact Lifecycle EventTriggers whenever a OnceHub contact is created or changed, so you catch the whole contact lifecycle in one place.
Trigger
Contact UpdatedTriggers when an existing OnceHub contact is updated.
Trigger
Conversation AbandonedTriggers when a website visitor stops replying to a OnceHub chatbot for more than ten minutes and the conversation is abandoned.
Trigger
Conversation ClosedTriggers when a OnceHub chatbot conversation is closed.
Trigger
Conversation Lifecycle EventTriggers on any OnceHub conversation event — started, closed or abandoned — with the event name included so you can branch on it.
Trigger
Conversation StartedTriggers when a website visitor sends their first message to a OnceHub chatbot and a conversation starts.
Trigger
Reassigned BookingTriggers when a OnceHub booking is reassigned to a different host.
Action
Cancel BookingCancels a OnceHub booking, optionally with a reason and without emailing the customer.
Action
Create ContactCreates a new contact in OnceHub. Give at least an email address or a mobile number.
Action
Create One-Time Booking LinkCreates a one-time booking link for a published OnceHub booking calendar, optionally prefilling the booking form and pinning the host or duration.
Action
Delete ContactDeletes a contact from OnceHub.
Action
Find ContactFinds a OnceHub contact by email address.
Action
Get Available Time SlotsReturns the open meeting times on a OnceHub booking calendar for the window you choose.
Action
Get Booking CalendarReturns one OnceHub booking calendar with its host, public link and meeting length.
Action
Get Booking DetailsReturns one OnceHub booking with its time, customer details and booking form answers.
Action
Get ContactReturns one OnceHub contact with its details and custom fields.
Action
Get Contact's Future MeetingsReturns a contact's upcoming OnceHub meetings — the bookings that start after the time you give.
Action
List Booking CalendarsLists the booking calendars in your OnceHub account.
Action
List BookingsLists OnceHub bookings, with optional filters for status, contact, host, calendar and date range.
Action
List ContactsLists the contacts in your OnceHub account, with optional email and date filters.
Action
Mark Booking as No-ShowMarks a OnceHub booking as a no-show.
Action
Reassign BookingReassigns a OnceHub booking to a different host, optionally naming the video conferencing service to use.
Action
Request RescheduleAsks the customer to pick a new time for a OnceHub booking, optionally telling them why.
Action
Update ContactUpdates an existing OnceHub contact. Only the fields you fill in are changed; anything left blank keeps its current value.
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
What our customers say
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Questions
MailerLite Classic and OnceHub, answered
What can start an automation from MailerLite Classic?
Any of MailerLite Classic's 1 trigger in the catalog, including New Group. Describe the moment in plain language and your agent picks the right one.
What can your agent do in OnceHub when something happens in MailerLite Classic?
Any of OnceHub's 17 actions, including Create Contact, Create One-Time Booking Link, Update Contact and Find Contact. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from OnceHub to MailerLite Classic?
Yes. When something happens in OnceHub, your agent can act in MailerLite Classic too. This page covers both directions: OnceHub's triggers and MailerLite Classic's actions are listed here as well.
Do I have to build a connector for MailerLite Classic or OnceHub?
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 MailerLite Classic and OnceHub 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.