Integration
Connect MailerLite Classic and QuickBooks Online
When New Group fires in MailerLite Classic, your agent runs Create customer in QuickBooks Online, or New bill in QuickBooks Online 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 QuickBooks Online 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 QuickBooks Online can do together
From MailerLite Classic to QuickBooks Online
When New Group in MailerLite Classic
then Create customer in QuickBooks Online
When New Group in MailerLite Classic
then Create invoice in QuickBooks Online
From QuickBooks Online to MailerLite Classic
When New bill in QuickBooks Online
then Add Subscriber to Group in MailerLite Classic
When New customer in QuickBooks Online
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 QuickBooks Online
Triggers and actions 12 triggers · 63 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
New billPolls for newly created bills (accounts payable), most recent first.
Trigger
New customerPolls for newly created customers, most recent first.
Trigger
New estimateFires when a new estimate is created in QuickBooks Online.
Trigger
New invoicePolls for newly created invoices, most recent first.
Trigger
New or updated customerFires when a QuickBooks customer is created or any of its details change.
Trigger
New or updated estimateFires when a QuickBooks estimate is created or edited.
Trigger
New or updated invoiceFires when a QuickBooks invoice is created or edited — line items, amounts, due date, or status.
Trigger
New or updated itemFires when a QuickBooks product or service item is created or edited.
Trigger
New or updated vendorFires when a QuickBooks vendor is created or any of its details change.
Trigger
New paid invoicePolls for invoices that are fully paid (Balance = 0), most recently updated first.
Trigger
New paymentPolls for newly created customer payments, most recent first.
Action
Create accountCreate an account in the QuickBooks chart of accounts — name, account type, and detail type.
Action
Create billCreates a new bill (accounts payable) for a vendor with a single account-based line item.
Action
Create credit memoCreates a new credit memo for a customer with a single line item.
Action
Create customerCreates a new customer in QuickBooks Online.
Action
Create estimateCreate a QuickBooks Online estimate (quote) for a customer.
Action
Create expense (purchase)Creates a new expense (Purchase) paid from a bank/credit-card account with one account-based line.
Action
Create invoiceCreates a new invoice for a customer with a single line item.
Action
Create item (product/service)Creates a new product or service item.
Action
Create journal entryCreate a QuickBooks journal entry with balanced debit and credit lines against the chart of accounts.
Action
Create paymentRecords a customer payment, optionally applied against a specific invoice.
Action
Create refund receiptCreates a new refund receipt for a customer with a single line item.
Action
Create sales receiptCreates a new sales receipt for a customer with a single line item.
Action
Create vendorCreates a new vendor in QuickBooks Online.
Action
Delete billPermanently delete a QuickBooks bill by Id.
Action
Delete credit memoPermanently delete a QuickBooks credit memo by Id.
Action
Delete estimatePermanently delete a QuickBooks estimate by Id.
Action
Delete invoicePermanently delete a QuickBooks invoice by Id. Unlike voiding, this removes the transaction entirely.
Action
Delete sales receiptPermanently delete a QuickBooks sales receipt by Id.
Action
Find account by nameLook up an account in the QuickBooks chart of accounts by its name.
Action
Find customer by nameSearches for a customer by display name and returns its Id and SyncToken.
Action
Find invoice by numberLook up a QuickBooks invoice by its document number (the invoice number customers see) rather than its internal Id.
Action
Find item by nameLook up a QuickBooks product or service item by its name.
Action
Find vendor by nameLook up a QuickBooks Online vendor by display name.
Action
Get bill balanceReturns the outstanding balance for a bill by its Id.
Action
Get customer by IDRetrieves a single customer by its Id.
Action
Get estimate by IDRetrieve a QuickBooks Online estimate by its ID.
Action
Get estimate PDFDownload the rendered PDF of a QuickBooks estimate by Id.
Action
Get invoice by IDRetrieves a single invoice by its Id, including its balance.
Action
Get invoice PDFDownload the rendered PDF of a QuickBooks invoice by Id, for emailing or archiving.
Action
List accountsList the accounts in the QuickBooks chart of accounts, with their type, detail type, and current balance.
Action
List attachmentsList the files attached to a QuickBooks transaction or record, with their download links.
Action
List employeesList employees recorded in QuickBooks Online.
Action
List itemsList products and services (items) defined in QuickBooks Online.
Action
Pay billRecords a bill payment against a vendor bill, paid from the specified bank/credit-card account.
Action
Run queryRuns an arbitrary read-only QuickBooks Online query (QBO SQL-like syntax) and returns the raw QueryResponse.
Action
Send estimateEmail a QuickBooks Online estimate to the customer.
Action
Send invoiceEmails an invoice to the supplied email address (or the invoice's billing email if omitted).
Action
Update customerUpdates an existing customer (sparse update). Requires the customer Id and current SyncToken.
Action
Update estimateUpdate an existing QuickBooks estimate by Id, changing only the fields supplied.
Action
Update invoiceUpdate an existing QuickBooks invoice by Id — a sparse update that changes only the fields supplied and leaves the rest of the invoice intact.
Action
Update itemUpdate an existing QuickBooks product or service item by Id — name, description, price, income account, or active flag.
Action
Update vendorUpdate an existing QuickBooks vendor by Id — contact details, billing address, terms, or active flag.
Action
Upload attachmentUpload a file to QuickBooks and attach it to a transaction or record — a receipt on an expense, a contract on an invoice.
Action
Void invoiceVoids an existing invoice. Requires the invoice Id and current SyncToken.
Action
Void paymentVoids an existing customer payment. Requires the payment Id and current SyncToken.
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
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Questions
MailerLite Classic and QuickBooks Online, 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 QuickBooks Online when something happens in MailerLite Classic?
Any of QuickBooks Online's 45 actions, including Create account, Create bill, Create credit memo and Create customer. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from QuickBooks Online to MailerLite Classic?
Yes. When something happens in QuickBooks Online, your agent can act in MailerLite Classic too. This page covers both directions: QuickBooks Online's triggers and MailerLite Classic's actions are listed here as well.
Do I have to build a connector for MailerLite Classic or QuickBooks Online?
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 QuickBooks Online 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.