---
title: "Connect Buttondown to mailfloss - APIANT.ai"
description: "When \"New Draft\" fires in Buttondown, your agent runs \"Add batch of emails for verification\" in mailfloss."
canonical: "https://apiant.ai/connect/buttondown-to-mailfloss"
---

# Connect Buttondown to mailfloss

When **New Draft** fires in [Buttondown](https://apiant.ai/connections/buttondown), 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.

Buttondown **4** triggers Buttondown **29** 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 Buttondown 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 Buttondown can start in mailfloss

- When **New Draft** in Buttondown then **Add batch of emails for verification** in mailfloss
- When **New Scheduled Email** in Buttondown 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 Buttondown and mailfloss

## Triggers and actions 4 triggers · 38 actions

- Trigger

**New Draft**

Triggers when a new draft is created.

- Trigger

**New Scheduled Email**

Triggers when a new email is scheduled.

- Trigger

**Newsletters**

Triggers when a new newsletter is created.

- Trigger

**New Tag**

Triggers when a new tag is created.

- Action

**Add Segment**

Create a new subscriber segment.

- Action

**Add Survey**

Create a new survey.

- Action

**Create Draft**

Creates a draft.

- Action

**Create Email**

Creates an email.

- Action

**Create Subscriber**

Creates a subscriber.

- Action

**Delete Automation**

Delete an automation by id.

- Action

**Delete Email**

Delete an email by id.

- Action

**Delete Newsletter**

Delete a newsletter by id.

- Action

**Delete Segment**

Delete a subscriber segment by id.

- Action

**Delete Subscriber**

Remove a subscriber by id or email address.

- Action

**Delete Survey**

Delete a survey by id.

- Action

**Delete Tag**

Delete a tag by id.

- Action

**Find Tag**

Finds a tag given its name.

- Action

**Get Automation**

Retrieve a single automation by id.

- Action

**Get Email**

Retrieve a single email by id.

- Action

**Get Newsletter**

Retrieve a single newsletter by id.

- Action

**Get Segment**

Retrieve a single subscriber segment by id.

- Action

**Get Survey**

Retrieve a single survey by id.

- Action

**Get Tag**

Retrieve a single tag by id.

- Action

**List Automations**

List all automations configured on the account.

- Action

**List Segments**

List all subscriber segments.

- Action

**List Surveys**

List all surveys on the account.

- Action

**Publish Email**

Publish a drafted email so it is sent and made public.

- Action

**Update Automation**

Update an automation's configuration.

- Action

**Update Email**

Update an existing email's content or metadata.

- Action

**Update Newsletter**

Update a newsletter's settings.

- Action

**Update Segment**

Update a subscriber segment's definition.

- Action

**Update Survey**

Update a survey's configuration.

- Action

**Update Tag**

Update a tag's name or metadata.

- 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

- [ **Buttondown** Buttondown is an easy way to start and grow your newsletter.](https://apiant.ai/connections/buttondown)
- [ **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 Buttondown

- [ **Buttondown to HelloSalut** HelloSalut returns the word for "hello" in a visitor's own language.](https://apiant.ai/connect/buttondown-to-hellosalut)
- [ **Buttondown to Zoho Campaigns** Zoho Campaigns lets you send email and social media campaigns to your subscribers.](https://apiant.ai/connect/buttondown-to-zoho-campaigns)
- [ **Buttondown to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/buttondown-to-hubspot)
- [ **Buttondown to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/buttondown-to-salesforce)
- [ **Buttondown to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/buttondown-to-slack)
- [ **Buttondown to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/buttondown-to-google-sheets)

## 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)
- [ **Slack to mailfloss** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-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)

Questions

## Buttondown and mailfloss, answered

###

### What can start an automation from Buttondown?

Any of Buttondown's 4 triggers in the catalog, including New Draft, New Scheduled Email, New Tag and Newsletters. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in mailfloss when something happens in Buttondown?

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 Buttondown?

mailfloss has no triggers in the catalog today, so automations start in Buttondown. 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 Buttondown 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 Buttondown 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.
