Integration
Connect MailerLite to TaxJar
When Subscriber Added to Group fires in MailerLite, your agent runs Create a Customer in TaxJar. 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 and TaxJar 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 can start in TaxJar
When Subscriber Added to Group in MailerLite
then Create a Customer in TaxJar
When Subscriber Completed Automation in MailerLite
then Create an Order Transaction in TaxJar
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 and TaxJar
Triggers and actions 10 triggers · 29 actions
Trigger
Campaign SentTriggers when a campaign has been sent out.
Trigger
Spam ComplaintTriggers when a subscriber issues a spam complaint about an email.
Trigger
Subscriber Added to GroupTriggers when a subscriber is added to a group.
Trigger
Subscriber BouncedTriggers when an email to a subscriber bounces.
Trigger
Subscriber Completed AutomationTriggers when a subscriber completed a selected workflow.
Trigger
Subscriber CreatedTriggers when a subscriber was created on your mailing list.
Trigger
Subscriber Fields UpdatedTriggers when the subscriber fields have been updated.
Trigger
Subscriber Removed From GroupTriggers when a subscriber has been removed from a group.
Trigger
Subscriber Triggered AutomationTriggers when a subscriber triggers a selected workflow.
Trigger
Subscriber UnsubscribedTriggers when a subscriber has unsubscribed from your mailing list.
Action
Add Subscriber to a GroupAdd existing subscriber to a specific group by email address.
Action
Change Subscriber EmailChange subscriber email to another.
Action
Create a Draft CampaignCreate a Draft Campaign
Action
Create or Update SubscriberCreate a new subscriber or Update an existing subscriber based on their email.
Action
Create Subscribers GroupCreate a new subscribers group.
Action
Find a GroupSearch for a group by name
Action
Find a SubscriberSearch for a subscriber by email or name
Action
Remove Subscriber From a GroupRemove subscriber from a specific group by email address.
Action
Unsubscribe SubscriberSets the contact's status to "Unsubscribed".
Action
Calculate Sales Tax for an OrderWorks out the sales tax due on an order from the ship-from and ship-to addresses, the order amount and its line items.
Action
Create a CustomerCreates a customer in TaxJar with their exemption type and the regions the exemption applies to.
Action
Create an Order TransactionRecords a completed order in TaxJar so it counts towards your sales tax reporting.
Action
Create a Refund TransactionRecords a refund against an existing order in TaxJar so your sales tax reporting stays accurate.
Action
Get Two-Letter ISO Code for RegionLooks up the two-letter code for a state, province or country by name, using TaxJar's own list of regions.
Action
List CategoriesReturns TaxJar's product categories and the tax code to use for each one.
Action
List CustomersReturns the IDs of every customer in your TaxJar account.
Action
List Nexus RegionsReturns the states, provinces and countries where your TaxJar account has nexus and must collect tax.
Action
List OrdersReturns the IDs of the orders recorded in TaxJar, optionally limited to a date or date range.
Action
List RefundsReturns the IDs of the refunds recorded in TaxJar, optionally limited to a date or date range.
Action
Rates for LocationReturns the sales tax rates that apply at a location, broken down by state, county and city.
Action
Show a CustomerReturns one customer from TaxJar, including their exemption type and exempt regions.
Action
Show OrderReturns one order recorded in TaxJar, including its addresses, totals and line items.
Action
Show RefundReturns one refund recorded in TaxJar, including the order it applies to and the amounts refunded.
Action
Summarize Tax Rates for All RegionsReturns the minimum and average sales tax rate for every state, province and country TaxJar covers.
Action
Update a CustomerUpdates a customer in TaxJar. Only the fields you supply are changed.
Action
Update an Order TransactionUpdates an order already recorded in TaxJar. Only the fields you supply are changed.
Action
Update a Refund TransactionUpdates a refund already recorded in TaxJar. Only the fields you supply are changed.
Action
Validate an AddressChecks a US address and returns TaxJar's corrected version of it, so tax is worked out on a clean address.
Action
Validate a VAT NumberChecks whether a VAT number is valid and returns the business name and address registered against it.
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 and TaxJar, answered
What can start an automation from MailerLite?
Any of MailerLite's 10 triggers in the catalog, including Subscriber Added to Group, Subscriber Completed Automation, Subscriber Created and Subscriber Fields Updated. Describe the moment in plain language and your agent picks the right one.
What can your agent do in TaxJar when something happens in MailerLite?
Any of TaxJar's 20 actions, including Create a Customer, Create an Order Transaction, Create a Refund Transaction and Update a Customer. Your agent maps the data both ways and tests every scenario before it ships.
Can it also run from TaxJar to MailerLite?
TaxJar has no triggers in the catalog today, so automations start in MailerLite. If you need the other direction, ask: your agent reads TaxJar's API documentation and adds it.
Do I have to build a connector for MailerLite or TaxJar?
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 and TaxJar 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.