# Connect User.com to MailerCheck When **New Company** fires in [User.com](https://apiant.ai/connections/user-com), your agent runs **Verify an Email Address** in [MailerCheck](https://apiant.ai/connections/mailercheck). Describe the whole flow and it is built, tested on every scenario and kept running. User.com **3** triggers User.com **4** actions MailerCheck **10** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want User.com and MailerCheck to do together? Give your AI client this address. `https://mcp.apiant.ai` 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 User.com can start in MailerCheck - When **New Company** in User.com then **Verify an Email Address** in MailerCheck - When **New Event** in User.com then **Verify email address asynchronously** in MailerCheck 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 User.com and MailerCheck ## Triggers and actions 3 triggers · 14 actions - Trigger **New Company** Triggers when new company instance is created. - Trigger **New Event** Triggered for every new event occurrence. - Trigger **New User** Triggers when new user is created. - Action **Create Event** Create a new event for a specific user. - Action **Create/Update Company** Creates new company instance. - Action **Find Company** Finding an existing company. - Action **Find User** Finds an existing user. - Action **Add list** Creates a new MailerCheck verification list with a name and a set of email addresses. - Action **Delete list** Deletes a MailerCheck email list by its ID. - Action **Get account** Returns the MailerCheck account linked to the connected API token, including its name, address details and credit balance. - Action **Get credit balance** Returns the number of email verification credits remaining on your MailerCheck account. - Action **Get email verification result** Returns the state and result of an email verification started asynchronously. - Action **Get list** Returns an email verification list by its ID, including its status and verification result statistics. - Action **List list results** Returns the individual email addresses in a MailerCheck list along with each one's verification result, optionally filtered to one result type. - Action **Verify an Email Address** Verifies a single email address in real time and returns its verification result (valid, risky or do-not-send category). - Action **Verify email address asynchronously** Queues a single email address for verification and returns a verification id to fetch the result later. - Action **Verify list** Starts verification of every email in an existing MailerCheck list and returns the list with its processing status. ## Each app on its own - [ **User.com** UserEngage is a marketing automation system that connects all data about your customers with all the...](https://apiant.ai/connections/user-com) - [ **MailerCheck** MailerCheck is an easy-to-use email and campaign analysis tool.](https://apiant.ai/connections/mailercheck) Reviews ## What our customers say ## More from User.com - [ **User.com to Zoom** Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based...](https://apiant.ai/connect/user-com-to-zoom) - [ **User.com to Webflow** Webflow is a professional website builder and CMS for designing, building, and launching responsive...](https://apiant.ai/connect/user-com-to-webflow) - [ **User.com to Wix** The Wix website builder gives businesses of any size the tools to create, manage and grow a fully integrated...](https://apiant.ai/connect/user-com-to-wix) - [ **User.com to LinkedIn** LinkedIn is a professional networking platform enabling job seekers, companies, and thought leaders to...](https://apiant.ai/connect/user-com-to-linkedin) - [ **User.com to Facebook** Facebook is a social media and advertising platform used by individuals and businesses to connect, share...](https://apiant.ai/connect/user-com-to-facebook) - [ **User.com to Anthropic** Anthropic builds Claude, a family of large language models.](https://apiant.ai/connect/user-com-to-anthropic) ## More into MailerCheck - [ **HubSpot to MailerCheck** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailercheck) - [ **Salesforce to MailerCheck** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-mailercheck) - [ **Slack to MailerCheck** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-mailercheck) - [ **Google Sheets to MailerCheck** Google Sheets](https://apiant.ai/connect/google-sheets-to-mailercheck) - [ **Gmail to MailerCheck** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailercheck) - [ **Google Calendar to MailerCheck** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailercheck) Questions ## User.com and MailerCheck, answered ### ### What can start an automation from User.com? Any of User.com's 3 triggers in the catalog, including New Company, New Event and New User. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in MailerCheck when something happens in User.com? Any of MailerCheck's 10 actions, including Add list, Get account, Get credit balance and Get email verification result. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from MailerCheck to User.com? MailerCheck has no triggers in the catalog today, so automations start in User.com. If you need the other direction, ask: your agent reads MailerCheck's API documentation and adds it. ### ### Do I have to build a connector for User.com or MailerCheck? 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. ### ### 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.