--- title: "Connect Buttondown and Quaderno - APIANT.ai" description: "When \"New Draft\" fires in Buttondown, your agent runs \"Add invoice payment\" in Quaderno, or \"New Contact\" in Quaderno to \"Create Email\" in Buttondown." canonical: "https://apiant.ai/connect/buttondown-to-quaderno" --- # Connect Buttondown and Quaderno When **New Draft** fires in [Buttondown](https://apiant.ai/connections/buttondown), your agent runs **Add invoice payment** in [Quaderno](https://apiant.ai/connections/quaderno), or **New Contact** in Quaderno to **Create Email** in Buttondown. Describe the whole flow and it is built, tested on every scenario and kept running. Buttondown **4** triggers Buttondown **29** actions Quaderno **3** triggers Quaderno **24** 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 Quaderno 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 and Quaderno can do together ### From Buttondown to Quaderno - When **New Draft** in Buttondown then **Add invoice payment** in Quaderno - When **New Scheduled Email** in Buttondown then **Create Contact** in Quaderno ### From Quaderno to Buttondown - When **New Contact** in Quaderno then **Create Email** in Buttondown - When **New Invoice** in Quaderno then **Update Email** in Buttondown 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 Quaderno ## Triggers and actions 7 triggers · 53 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. - Trigger **New Contact** Triggers when a new contact is created in Quaderno. - Trigger **New Invoice** Triggers when a new invoice is created in Quaderno. - Trigger **New Sale** Triggers when a new sale is recorded in Quaderno, i.e. a new invoice or receipt is created. - Action **Add invoice payment** Records a payment against a Quaderno invoice. When total payments reach the invoice amount, the invoice is marked as paid. - Action **Add product** Creates a new product in Quaderno that can be used as a line item on invoices, credit notes and expenses. - Action **Add receipt** Creates a paid receipt in Quaderno for a completed sale, with its customer, line items and payment method. - Action **Calculate tax rate** Calculates the tax rate and tax amount that applies to a sale for a given customer location and product type. - Action **Create Contact** Creates a new contact (customer or vendor) in Quaderno and returns the created contact. - Action **Create Estimate** Creates an estimate (proforma) in Quaderno for a customer, with line items, dates and notes. - Action **Create Expense** Creates an expense in Quaderno for a vendor, with its line items, and returns the new expense. - Action **Create Invoice** Creates an invoice for a customer with line items; optionally records full payment so the invoice is marked paid. - Action **Create Paid Invoice** Creates an invoice for a customer and records a full payment against it, so the invoice is marked paid. - Action **Create Sale** Records a sale in Quaderno, which calculates taxes and issues the matching invoice or receipt for the customer. - Action **Delete contact** Permanently deletes a contact (customer or vendor) from your Quaderno account. - Action **Find Contact** Finds contacts whose name, email or tax ID matches the search text, or whose payment-processor ID matches. - Action **Find Sale** Finds sales (invoices) by invoice number, customer name or PO number, payment processor transaction id, customer, state or issue date range, and returns the matches. - Action **Get contact** Returns a single Quaderno contact (customer or vendor) by its ID. - Action **Get Estimate** Returns a single estimate (proforma) by its id, including its number, customer, line items, taxes and totals. - Action **Get Expense** Returns the details of an existing expense in your Quaderno account. - Action **Get invoice** Returns a single invoice by its id, including number, contact, line items, taxes, totals and payments. - Action **Get product** Returns a single product (item) from your Quaderno account by its id, including its name, code, price and tax settings. - Action **Get Receipt** Returns a receipt by its id, including number, totals, taxes, contact and payment details. - Action **Update contact** Updates an existing Quaderno contact. Fields left blank keep their current values. - Action **Update invoice** Updates the editable fields of an existing invoice: PO number, tags, payment details, notes, custom metadata and billing address. - Action **Update product** Updates an existing product in Quaderno. Only the fields you fill in are changed. - Action **Validate tax ID** Checks whether a customer's tax ID (EU/UK VAT, ABN, NZBN, QST, Swiss UID) is valid and belongs to a real business. - Action **Void invoice** Voids an existing invoice in Quaderno and returns the voided invoice. ## Each app on its own - [ **Buttondown** Buttondown is an easy way to start and grow your newsletter.](https://apiant.ai/connections/buttondown) - [ **Quaderno** Quaderno is a tax software that handles sales tax, VAT, and GST for your online business.](https://apiant.ai/connections/quaderno) 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 Quaderno - [ **HubSpot to Quaderno** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-quaderno) - [ **Google Sheets to Quaderno** Google Sheets](https://apiant.ai/connect/google-sheets-to-quaderno) - [ **Gmail to Quaderno** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-quaderno) - [ **Google Calendar to Quaderno** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-quaderno) - [ **Google Drive to Quaderno** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-quaderno) - [ **Mailchimp to Quaderno** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-quaderno) Questions ## Buttondown and Quaderno, 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 Quaderno when something happens in Buttondown? Any of Quaderno's 24 actions, including Create Contact, Create Estimate, Create Expense and Create Invoice. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Quaderno to Buttondown? Yes. When something happens in Quaderno, your agent can act in Buttondown too. This page covers both directions: Quaderno's triggers and Buttondown's actions are listed here as well. ### ### Do I have to build a connector for Buttondown or Quaderno? 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 Quaderno 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.