--- title: "Connect OnceHub and MailSlurp Email Plugin - APIANT.ai" description: "When \"Booking Completed\" fires in OnceHub, your agent runs \"Get email attachment\" in MailSlurp Email Plugin." canonical: "https://apiant.ai/connect/oncehub-to-mailslurp-email-plugin" --- # Connect OnceHub and MailSlurp Email Plugin When **Booking Completed** fires in [OnceHub](https://apiant.ai/connections/oncehub), your agent runs **Get email attachment** in [MailSlurp Email Plugin](https://apiant.ai/connections/mailslurp-email-plugin), or **New Attachment** in MailSlurp Email Plugin to **Create Contact** in OnceHub. Describe the whole flow and it is built, tested on every scenario and kept running. OnceHub **15** triggers OnceHub **17** actions MailSlurp Email Plugin **3** triggers MailSlurp Email Plugin **5** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want OnceHub and MailSlurp Email Plugin 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 OnceHub and MailSlurp Email Plugin can do together ### From OnceHub to MailSlurp Email Plugin - When **Booking Completed** in OnceHub then **Get email attachment** in MailSlurp Email Plugin - When **Contact Updated** in OnceHub then **List Contacts** in MailSlurp Email Plugin ### From MailSlurp Email Plugin to OnceHub - When **New Attachment** in MailSlurp Email Plugin then **Create Contact** in OnceHub - When **New Contact** in MailSlurp Email Plugin then **Update Contact** in OnceHub 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 OnceHub and MailSlurp Email Plugin ## Triggers and actions 18 triggers · 22 actions - Trigger **Booking Canceled** Triggers when a OnceHub booking is canceled by the customer or by someone on your team. - Trigger **Booking Cancelled and Rescheduled** Triggers when a customer cancels a OnceHub booking and then reschedules it on a different booking page. - Trigger **Booking Completed** Triggers when a OnceHub booking's end time has passed and the meeting is marked completed. - Trigger **Booking Lifecycle Event** Triggers 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-Show** Triggers when a OnceHub booking is marked as a no-show. - Trigger **Booking Rescheduled** Triggers when a OnceHub booking is rescheduled to a new time. - Trigger **Booking Scheduled** Triggers when a new OnceHub booking is scheduled. - Trigger **Contact Captured** Triggers when a new contact is captured in OnceHub. - Trigger **Contact Lifecycle Event** Triggers whenever a OnceHub contact is created or changed, so you catch the whole contact lifecycle in one place. - Trigger **Contact Updated** Triggers when an existing OnceHub contact is updated. - Trigger **Conversation Abandoned** Triggers when a website visitor stops replying to a OnceHub chatbot for more than ten minutes and the conversation is abandoned. - Trigger **Conversation Closed** Triggers when a OnceHub chatbot conversation is closed. - Trigger **Conversation Lifecycle Event** Triggers on any OnceHub conversation event — started, closed or abandoned — with the event name included so you can branch on it. - Trigger **Conversation Started** Triggers when a website visitor sends their first message to a OnceHub chatbot and a conversation starts. - Trigger **Reassigned Booking** Triggers when a OnceHub booking is reassigned to a different host. - Action **Cancel Booking** Cancels a OnceHub booking, optionally with a reason and without emailing the customer. - Action **Create Contact** Creates a new contact in OnceHub. Give at least an email address or a mobile number. - Action **Create One-Time Booking Link** Creates a one-time booking link for a published OnceHub booking calendar, optionally prefilling the booking form and pinning the host or duration. - Action **Delete Contact** Deletes a contact from OnceHub. - Action **Find Contact** Finds a OnceHub contact by email address. - Action **Get Available Time Slots** Returns the open meeting times on a OnceHub booking calendar for the window you choose. - Action **Get Booking Calendar** Returns one OnceHub booking calendar with its host, public link and meeting length. - Action **Get Booking Details** Returns one OnceHub booking with its time, customer details and booking form answers. - Action **Get Contact** Returns one OnceHub contact with its details and custom fields. - Action **Get Contact's Future Meetings** Returns a contact's upcoming OnceHub meetings — the bookings that start after the time you give. - Action **List Booking Calendars** Lists the booking calendars in your OnceHub account. - Action **List Bookings** Lists OnceHub bookings, with optional filters for status, contact, host, calendar and date range. - Action **List Contacts** Lists the contacts in your OnceHub account, with optional email and date filters. - Action **Mark Booking as No-Show** Marks a OnceHub booking as a no-show. - Action **Reassign Booking** Reassigns a OnceHub booking to a different host, optionally naming the video conferencing service to use. - Action **Request Reschedule** Asks the customer to pick a new time for a OnceHub booking, optionally telling them why. - Action **Update Contact** Updates an existing OnceHub contact. Only the fields you fill in are changed; anything left blank keeps its current value. - Trigger **New Attachment** Triggered when a new attachment is uploaded or received in your MailSlurp account. - Trigger **New Contact** Triggered when a new contact is created in your MailSlurp address book. - Trigger **New Inbox** Triggers when a new inbox is created on your MailSlurp account. - Action **Delete Inbox** Permanently deletes a MailSlurp inbox, its email address and all of its emails. - Action **Get email attachment** Returns the contents of one attachment on an email, base64 encoded, along with its file type and size. - Action **Get Inbox** Fetches one MailSlurp inbox by id, including its email address, name and tags. An error occurs if the inbox is not found. - Action **List Contacts** Returns the contacts in your MailSlurp address book, newest or oldest first, optionally narrowed by a search term or a date range. - Action **List Inboxes** Returns the email inboxes on your MailSlurp account, with their addresses, names and tags. Returns at most 100 inboxes. ## Each app on its own - [ **OnceHub** Capture, qualify, and engage with inbound leads using ScheduleOnce, ChatOnce, FormOnce and SubmitOnce.](https://apiant.ai/connections/oncehub) - [ **MailSlurp Email Plugin** MailSlurp is an API to generate test email accounts for sending and receiving real emails in tests.](https://apiant.ai/connections/mailslurp-email-plugin) Reviews ## What our customers say ## More from OnceHub - [ **OnceHub to HeadshotPro** HeadshotPro is an AI Headshot Generator for Professional Headshots.](https://apiant.ai/connect/oncehub-to-headshotpro) - [ **OnceHub to Honeyhive** Observability and evaluation platform for tracing, testing, and monitoring AI agents in production.](https://apiant.ai/connect/oncehub-to-honeyhive) - [ **OnceHub to Powerlink** Cloud-based CRM platform (formerly Powerlink) for managing customer data, sales, and business workflows.](https://apiant.ai/connect/oncehub-to-powerlink) - [ **OnceHub to Zoho Calendar** Zoho Calendar is an online personal and business calendar app that helps you plan your schedule, track daily...](https://apiant.ai/connect/oncehub-to-zoho-calendar) - [ **OnceHub to Zoho Desk** Zoho Desk is web-based customer service software designed to help you focus more on creating customer...](https://apiant.ai/connect/oncehub-to-zoho-desk) - [ **OnceHub to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/oncehub-to-hubspot) ## More into MailSlurp Email Plugin - [ **HubSpot to MailSlurp Email Plugin** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailslurp-email-plugin) - [ **Google Sheets to MailSlurp Email Plugin** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-mailslurp-email-plugin) - [ **Gmail to MailSlurp Email Plugin** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailslurp-email-plugin) - [ **Google Calendar to MailSlurp Email Plugin** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailslurp-email-plugin) - [ **Google Drive to MailSlurp Email Plugin** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailslurp-email-plugin) - [ **Mailchimp to MailSlurp Email Plugin** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-mailslurp-email-plugin) Questions ## OnceHub and MailSlurp Email Plugin, answered ### ### What can start an automation from OnceHub? Any of OnceHub's 15 triggers in the catalog, including Booking Completed, Contact Updated, Booking Lifecycle Event and Booking No-Show. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in MailSlurp Email Plugin when something happens in OnceHub? Any of MailSlurp Email Plugin's 5 actions, including Get email attachment, Get Inbox, List Contacts and List Inboxes. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from MailSlurp Email Plugin to OnceHub? Yes. When something happens in MailSlurp Email Plugin, your agent can act in OnceHub too. This page covers both directions: MailSlurp Email Plugin's triggers and OnceHub's actions are listed here as well. ### ### Do I have to build a connector for OnceHub or MailSlurp Email Plugin? 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 OnceHub and MailSlurp Email Plugin 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.