--- title: "Connect Slack to mailfloss - APIANT.ai" description: "When \"New Channel\" fires in Slack, your agent runs \"Add batch of emails for verification\" in mailfloss." canonical: "https://apiant.ai/connect/slack-to-mailfloss" --- # Connect Slack to mailfloss When **New Channel** fires in [Slack](https://apiant.ai/connections/slack), your agent runs **Add batch of emails for verification** in [mailfloss](https://apiant.ai/connections/mailfloss). Describe the whole flow and it is built, tested on every scenario and kept running. Slack **15** triggers Slack **60** actions mailfloss **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 Slack and mailfloss 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 Slack can start in mailfloss - When **New Channel** in Slack then **Add batch of emails for verification** in mailfloss - When **New Channel Member** in Slack then **Add Email** in mailfloss 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 Slack and mailfloss ## Triggers and actions 15 triggers · 69 actions - Trigger **New Channel** Triggers when a new channel is created in the workspace. - Trigger **New Channel (instant)** Triggers when a new channel is created (Slack event channel_created). - Trigger **New Channel Member** Triggers when a member joins a chosen channel (Slack event member_joined_channel). - Trigger **New File (instant)** Triggers when a new file is uploaded to the workspace (Slack event file_created). - Trigger **New Mention (instant)** Triggers when a username or keyword is mentioned in a channel. Events API message events with keyword filter. - Trigger **New Message Posted to Channel** Triggers when a message is posted to a chosen channel (Slack event message.channels). - Trigger **New Message Posted to Private Channel** Triggers when a message is posted to a chosen private channel or group DM (Slack events message.groups, message.mpim). - Trigger **New Pinned Item** Triggers when an item is pinned in a channel. - Trigger **New Public Message Posted Anywhere** Triggers when a message is posted to any public channel (Slack event message.channels). - Trigger **New Reaction Added** Triggers when an emoji reaction is added to a message (Slack event reaction_added). - Trigger **New Saved Message** Triggers when a message or file is saved (starred) (Slack event star_added). - Trigger **New Team Custom Emoji** Triggers when a custom emoji is added to the workspace (Slack event emoji_changed). - Trigger **New Thread Reply** Triggers when a new reply is added to a message thread. - Trigger **New User** Triggers when a new user joins the workspace. Polling; deduped by user id. - Trigger **New User (instant)** Triggers when a new user joins the workspace (Slack event team_join). - Action **Add Bookmark** Add a bookmark to a channel. - Action **Add Reaction** Add an emoji reaction to a message. - Action **Add Star** Save a message or file by starring it. - Action **Archive Channel** Archive a channel. - Action **Complete Reminder** Mark a reminder as complete. - Action **Create Canvas** Create a standalone canvas document. - Action **Create Channel** Create a new public or private channel. - Action **Create Channel Canvas** Create a canvas attached to a channel. - Action **Create Reminder** Create a reminder for a user at a specified time. - Action **Delete Canvas** Delete a canvas. - Action **Delete File** Delete a file from the workspace. - Action **Delete Message** Delete a message from a channel by timestamp. - Action **Delete Reminder** Delete a reminder. - Action **Delete Scheduled Message** Cancel a scheduled message before it is sent. - Action **Edit Bookmark** Edit an existing channel bookmark. - Action **Edit Canvas** Edit the content of a canvas. - Action **Find Channel by Name** List channels filtered to locate a channel by name (client filters the returned list). - Action **Find User by Email** Look up a Slack user by their email address. - Action **Get Channel Messages** Fetch the message history of a channel. - Action **Get File Info** Get information about a file. - Action **Get Message Permalink** Get a permanent link to a specific message. - Action **Get Message Reactions** Get the emoji reactions on a message. - Action **Get Team Info** Get information about the workspace. - Action **Get Thread Replies** Get the replies in a message thread. - Action **Get User Info** Get profile information for a Slack user by ID. - Action **Get User Presence** Get a user's current presence status. - Action **Get User Profile** Get a user's profile fields. - Action **Invite User to Channel** Invite one or more users to a channel (comma-separated user IDs). - Action **Join Channel** Join a public channel. - Action **Leave Channel** Leave a channel. - Action **List Bookmarks** List the bookmarks in a channel. - Action **List Channel Members** List the members of a channel. - Action **List Channels** List channels in the workspace (public and private). - Action **List Custom Emojis** List the workspace's custom emojis. - Action **List Files** List files in the workspace, optionally filtered by channel or user. - Action **List Pinned Items** List the items pinned in a channel. - Action **List Scheduled Messages** List messages scheduled to be sent later. - Action **List User Groups** List the workspace's user groups. - Action **List Users** List all users in the workspace. - Action **List User's Channels** List the channels a user is a member of. - Action **Mark Channel Read** Set the read cursor position in a channel. - Action **Pin Message** Pin a message to a channel. - Action **Remove Bookmark** Remove a bookmark from a channel. - Action **Remove Reaction** Remove an emoji reaction from a message. - Action **Remove Star** Remove a star from a message or file. - Action **Remove User from Channel** Remove a member from a channel. - Action **Rename Channel** Rename a channel. - Action **Schedule Message** Schedule a message to be sent to a channel at a future Unix time. - Action **Search Files** Search files across the workspace. - Action **Search Messages** Search messages across the workspace. - Action **Send Direct Message** Open a DM with a user and post a message to it. - Action **Send Ephemeral Message** Send a message in a channel that is visible only to one user. - Action **Send Message** Post a message to a channel, private group, or DM. - Action **Set Channel Purpose** Set the purpose (description) for a channel. - Action **Set Channel Topic** Set the topic for a channel. - Action **Set User Presence** Set the authenticated user's presence status. - Action **Unarchive Channel** Restore an archived channel. - Action **Unpin Message** Remove a pinned message from a channel. - Action **Update Message** Update an existing message in a channel by timestamp. - Action **Upload File** Upload a file and share it to one or more channels. - Action **Add batch of emails for verification** Submits a batch of email addresses to mailfloss for asynchronous verification and returns the job id. - Action **Add data erasure request** Submits a GDPR/CCPA-style erasure request that permanently deletes the given email addresses from your mailfloss account. - Action **Add Email** Submits an email address to mailfloss for verification and returns the deliverability verdict. - Action **Cancel batch verification job** Cancels a running mailfloss batch verification job. Credits already consumed before the cancellation are not refunded. - Action **Get account details** Returns the details of the mailfloss account this connection belongs to. - Action **Get batch verification results** Retrieve the verification results of a finished mailfloss batch verification job. - Action **Get batch verification status** Reads the current progress of a mailfloss batch verification job: its state plus the running counts of imported, processed, passed and failed addresses. An error occurs if the job is not found. - Action **Get verification job** Fetches a verification job by ID, including its status and verdict counts. An error occurs if the job is not found. - Action **List verification jobs** Returns all verification jobs on the account, optionally filtered by source or status. ## Each app on its own - [ **Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connections/slack) - [ **mailfloss** Mailfloss is an email verification platform where you can put your bulk email verification on autopilot and...](https://apiant.ai/connections/mailfloss) Reviews ## What our customers say ## More from Slack - [ **Slack to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/slack-to-hubspot) - [ **Slack to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/slack-to-google-sheets) - [ **Slack to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/slack-to-gmail) - [ **Slack to Google Drive** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/slack-to-google-drive) - [ **Slack to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/slack-to-quickbooks-online) - [ **Slack to Pipedrive** Pipedrive is a sales CRM and pipeline management tool.](https://apiant.ai/connect/slack-to-pipedrive) ## More into mailfloss - [ **HubSpot to mailfloss** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-mailfloss) - [ **Salesforce to mailfloss** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-mailfloss) - [ **Google Sheets to mailfloss** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-mailfloss) - [ **Gmail to mailfloss** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-mailfloss) - [ **Google Calendar to mailfloss** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-mailfloss) - [ **Google Drive to mailfloss** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-mailfloss) Questions ## Slack and mailfloss, answered ### ### What can start an automation from Slack? Any of Slack's 15 triggers in the catalog, including New Channel, New Channel (instant), New Channel Member and New File (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in mailfloss when something happens in Slack? Any of mailfloss's 9 actions, including Add batch of emails for verification, Add data erasure request, Add Email and Get account details. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from mailfloss to Slack? mailfloss has no triggers in the catalog today, so automations start in Slack. If you need the other direction, ask: your agent reads mailfloss's API documentation and adds it. ### ### Do I have to build a connector for Slack or mailfloss? 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 Slack and mailfloss 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.