--- title: "Connect MailerLite and Space Invoices / Apollo - APIANT.ai" description: "When \"Subscriber Added to Group\" fires in MailerLite, your agent runs \"Add customer\" in Space Invoices / Apollo." canonical: "https://apiant.ai/connect/mailerlite-to-space-invoices-apollo" --- # Connect MailerLite and Space Invoices / Apollo When **Subscriber Added to Group** fires in [MailerLite](https://apiant.ai/connections/mailerlite), your agent runs **Add customer** in [Space Invoices / Apollo](https://apiant.ai/connections/space-invoices-apollo), or **New Document** in Space Invoices / Apollo to **Change Subscriber Email** in MailerLite. Describe the whole flow and it is built, tested on every scenario and kept running. MailerLite **10** triggers MailerLite **9** actions Space Invoices / Apollo **1** trigger Space Invoices / Apollo **9** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want MailerLite and Space Invoices / Apollo to do together? Give your AI client this address. `https://mcp.apiant.ai` One 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.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) ### 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)](https://apiant.ai/docs/mcp) Example flows ## What MailerLite and Space Invoices / Apollo can do together ### From MailerLite to Space Invoices / Apollo - When **Subscriber Added to Group** in MailerLite then **Add customer** in Space Invoices / Apollo - When **Subscriber Completed Automation** in MailerLite then **Update customer** in Space Invoices / Apollo ### From Space Invoices / Apollo to MailerLite - When **New Document** in Space Invoices / Apollo then **Change Subscriber Email** in MailerLite - When **New Document** in Space Invoices / Apollo then **Add Subscriber to a Group** in MailerLite 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 Space Invoices / Apollo ## Triggers and actions 11 triggers · 18 actions - Trigger **Campaign Sent** Triggers when a campaign has been sent out. - Trigger **Spam Complaint** Triggers when a subscriber issues a spam complaint about an email. - Trigger **Subscriber Added to Group** Triggers when a subscriber is added to a group. - Trigger **Subscriber Bounced** Triggers when an email to a subscriber bounces. - Trigger **Subscriber Completed Automation** Triggers when a subscriber completed a selected workflow. - Trigger **Subscriber Created** Triggers when a subscriber was created on your mailing list. - Trigger **Subscriber Fields Updated** Triggers when the subscriber fields have been updated. - Trigger **Subscriber Removed From Group** Triggers when a subscriber has been removed from a group. - Trigger **Subscriber Triggered Automation** Triggers when a subscriber triggers a selected workflow. - Trigger **Subscriber Unsubscribed** Triggers when a subscriber has unsubscribed from your mailing list. - Action **Add Subscriber to a Group** Add existing subscriber to a specific group by email address. - Action **Change Subscriber Email** Change subscriber email to another. - Action **Create a Draft Campaign** Create a Draft Campaign - Action **Create or Update Subscriber** Create a new subscriber or Update an existing subscriber based on their email. - Action **Create Subscribers Group** Create a new subscribers group. - Action **Find a Group** Search for a group by name - Action **Find a Subscriber** Search for a subscriber by email or name - Action **Remove Subscriber From a Group** Remove subscriber from a specific group by email address. - Action **Unsubscribe Subscriber** Sets the contact's status to "Unsubscribed". - Trigger **New Document** Fires when a new document (invoice, estimate, credit note, advance invoice or delivery note) is created. - Action **Add customer** Create a customer. - Action **Add item** Create a catalog item/product. - Action **Add payment** Record a payment against an invoice. - Action **Create Document** Creates a new invoice document in Space Invoices. Totals, taxes and numbering are calculated by Space Invoices. - Action **Find customers by criteria** Search customers with filter/search query params. - Action **Get customer** Retrieve a customer by id. - Action **Get invoice** Retrieve an invoice by id. - Action **List items** Lists catalog items. - Action **Update customer** Update a customer by id. ## Each app on its own - [ **MailerLite** MailerLite’s super-fast email marketing platform helps you grow your business online using innovative email...](https://apiant.ai/connections/mailerlite) - [ **Space Invoices / Apollo** Space Invoices is an advanced, multi-tenant invoicing API that helps companies across the world to easily...](https://apiant.ai/connections/space-invoices-apollo) Reviews ## What our customers say ## More from MailerLite - [ **MailerLite to Hyperstack Certificates** Hyperstack helps you easily create and manage digital certificates & badges for your events or courses.](https://apiant.ai/connect/mailerlite-to-hyperstack-certificates) - [ **MailerLite to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/mailerlite-to-salesforce) - [ **MailerLite to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/mailerlite-to-slack) - [ **MailerLite to Google Drive** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/mailerlite-to-google-drive) - [ **MailerLite to Mailchimp** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailerlite-to-mailchimp) - [ **MailerLite to Shopify** Shopify is a commerce platform for online stores and retail point-of-sale.](https://apiant.ai/connect/mailerlite-to-shopify) ## More into Space Invoices / Apollo - [ **MINDBODY to Space Invoices / Apollo** MINDBODY is a powerful business management software that combines your scheduling, task automation...](https://apiant.ai/connect/mindbody-to-space-invoices-apollo) - [ **HubSpot to Space Invoices / Apollo** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-space-invoices-apollo) - [ **Salesforce to Space Invoices / Apollo** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-space-invoices-apollo) - [ **Slack to Space Invoices / Apollo** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-space-invoices-apollo) - [ **Google Sheets to Space Invoices / Apollo** Google Sheets](https://apiant.ai/connect/google-sheets-to-space-invoices-apollo) - [ **Gmail to Space Invoices / Apollo** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-space-invoices-apollo) Questions ## MailerLite and Space Invoices / Apollo, 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 Space Invoices / Apollo when something happens in MailerLite? Any of Space Invoices / Apollo's 9 actions, including Create Document, Update customer, Add customer and Add item. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Space Invoices / Apollo to MailerLite? Yes. When something happens in Space Invoices / Apollo, your agent can act in MailerLite too. This page covers both directions: Space Invoices / Apollo's triggers and MailerLite's actions are listed here as well. ### ### Do I have to build a connector for MailerLite or Space Invoices / Apollo? 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 Space Invoices / Apollo 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.