---
title: "Connect Buttondown to Modern Treasury - APIANT.ai"
description: "When \"New Draft\" fires in Buttondown, your agent runs \"Add invoice\" in Modern Treasury."
canonical: "https://apiant.ai/connect/buttondown-to-modern-treasury"
---

# Connect Buttondown to Modern Treasury

When **New Draft** fires in [Buttondown](https://apiant.ai/connections/buttondown), your agent runs **Add invoice** in [Modern Treasury](https://apiant.ai/connections/modern-treasury). Describe the whole flow and it is built, tested on every scenario and kept running.

Buttondown **4** triggers Buttondown **29** actions Modern Treasury **14** 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 Modern Treasury 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 Modern Treasury

- When **New Draft** in Buttondown then **Add invoice** in Modern Treasury
- When **New Scheduled Email** in Buttondown then **Add payment order** in Modern Treasury

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 Modern Treasury

## Triggers and actions 4 triggers · 43 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 counterparty**

Creates a counterparty — a person or business you send payments to or receive payments from — optionally with its bank accounts and legal entity.

- Action

**Add expected payment**

Creates an expected payment in Modern Treasury so an incoming or outgoing payment can be reconciled automatically when it arrives.

- Action

**Add external account**

Creates an external bank account for a counterparty in Modern Treasury, with its account numbers, routing details and owner information.

- Action

**Add invoice**

Creates an invoice for a counterparty, payable to one of your internal accounts.

- Action

**Add ledger transaction**

Creates a ledger transaction made of balanced debit and credit entries against your ledger accounts.

- Action

**Add payment order**

Creates a payment order that moves money between one of your internal accounts and a counterparty's or another internal account.

- Action

**Delete counterparty**

Deletes a counterparty from your Modern Treasury organization.

- Action

**Get counterparty**

Returns a single counterparty, including its accounts, contact details and metadata.

- Action

**Get invoice**

Returns a single invoice by its ID, including its amounts, status, counterparty and line-item details.

- Action

**Get ledger transaction**

Returns one ledger transaction, including its ledger entries, status and metadata.

- Action

**Get payment order**

Returns the details of a single payment order, including its amount, status, direction and accounts.

- Action

**List internal accounts**

Returns the organization's internal (bank) accounts, optionally filtered by counterparty, legal entity, currency, status or payment capability.

- Action

**Update counterparty**

Updates an existing counterparty's name, email, external ID, legal entity, metadata, remittance-advice setting or taxpayer identifier. Returns the updated counterparty.

- Action

**Update payment order**

Updates an existing payment order, for example changing its amount, description, metadata or status (such as cancelling or approving it). Returns the updated payment order.

## Each app on its own

- [ **Buttondown** Buttondown is an easy way to start and grow your newsletter.](https://apiant.ai/connections/buttondown)
- [ **Modern Treasury** API platform for money movement and ledgering, including payment orchestration, bank connectivity, and...](https://apiant.ai/connections/modern-treasury)

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](https://apiant.ai/connect/buttondown-to-google-sheets)

## More into Modern Treasury

- [ **HubSpot to Modern Treasury** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-modern-treasury)
- [ **Salesforce to Modern Treasury** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-modern-treasury)
- [ **Slack to Modern Treasury** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/slack-to-modern-treasury)
- [ **Google Sheets to Modern Treasury** Google Sheets](https://apiant.ai/connect/google-sheets-to-modern-treasury)
- [ **Gmail to Modern Treasury** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-modern-treasury)
- [ **Google Calendar to Modern Treasury** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-modern-treasury)

Questions

## Buttondown and Modern Treasury, 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 Modern Treasury when something happens in Buttondown?

Any of Modern Treasury's 14 actions, including Update counterparty, Update payment order, Add counterparty and Add expected payment. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from Modern Treasury to Buttondown?

Modern Treasury has no triggers in the catalog today, so automations start in Buttondown. If you need the other direction, ask: your agent reads Modern Treasury's API documentation and adds it.

###

### Do I have to build a connector for Buttondown or Modern Treasury?

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 Modern Treasury 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.
