---
title: "Connect Booker Merchant and PostStack - APIANT.ai"
description: "When \"New Customer\" fires in Booker Merchant, your agent runs \"Add a contact\" in PostStack."
canonical: "https://apiant.ai/connect/booker-merchant-to-poststack"
---

# Connect Booker Merchant and PostStack

When **New Customer** fires in [Booker Merchant](https://apiant.ai/connections/booker-merchant), your agent runs **Add a contact** in [PostStack](https://apiant.ai/connections/poststack), or **Contact Updated (instant)** in PostStack to **Create Customer** in Booker Merchant. Describe the whole flow and it is built, tested on every scenario and kept running.

Booker Merchant **6** triggers Booker Merchant **53** actions PostStack **7** triggers PostStack **31** actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

## What do you want Booker Merchant and PostStack 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 Booker Merchant and PostStack can do together

### From Booker Merchant to PostStack

- When **New Customer** in Booker Merchant then **Add a contact** in PostStack
- When **New Order** in Booker Merchant then **Add contacts to segment** in PostStack

### From PostStack to Booker Merchant

- When **Contact Updated (instant)** in PostStack then **Create Customer** in Booker Merchant
- When **New Contact (instant)** in PostStack then **Create Dependent Customer** in Booker Merchant

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 Booker Merchant and PostStack

## Triggers and actions 13 triggers · 84 actions

- Trigger

**New Customer**

Triggered when a new customer is added at a location.

- Trigger

**New Order**

Triggered when a new order is added at a location.

- Trigger

**New or Updated Appointment**

Triggered when an appointment is added or updated.

- Trigger

**New or Updated Appointment Treatment**

Triggered when an appointment treatment line is added or updated.

- Trigger

**New or Updated Customer**

Triggered when a customer is added or updated.

- Trigger

**Updated Customer**

Triggered when an existing customer is updated.

- Action

**Create Customer**

Create a new customer.

- Action

**Create Dependent Customer**

Create a customer that belongs to another customer's account.

- Action

**Create Employee**

Create a new employee.

- Action

**Create Membership**

Create a new membership.

- Action

**Create Room**

Create a new room.

- Action

**Create Special**

Create a special/promotion at a location.

- Action

**Delete Customer**

Delete a customer.

- Action

**Delete Employee**

Delete an employee.

- Action

**Delete Membership**

Delete a membership.

- Action

**Delete Room**

Delete a room.

- Action

**Find Appointments**

List appointments at a location within a date range.

- Action

**Find Customers**

List/search customers at a location.

- Action

**Find Employees**

List employees/staff at a location.

- Action

**Find Location**

Find a single location matching your filters.

- Action

**Find Locations**

List locations for the merchant account.

- Action

**Find Orders**

List orders at a location.

- Action

**Find Packages**

Search the packages a location sells.

- Action

**Find Products**

Search the products available to sell on an order.

- Action

**Find Rooms**

Search the treatment rooms at a location.

- Action

**Find Series**

Search the service series a location sells.

- Action

**Find Specials**

List active specials/promotions at a location.

- Action

**Find Treatments**

List bookable treatments/services at a location.

- Action

**Get Appointment**

Get a single appointment by ID.

- Action

**Get Appointment By Booking Number**

Retrieves an appointment using the booking reference the customer was given, rather than its internal Booker id.

- Action

**Get Appointments**

Retrieves a batch of appointments by their Booker ids, with their treatments, staff, customer and times.

- Action

**Get Customer**

Get a single customer by ID.

- Action

**Get Customer Appointments**

List the appointments booked for one customer.

- Action

**Get Customer Types**

List the customer types configured at a location.

- Action

**Get Employee**

Get a single employee by ID.

- Action

**Get Employee Schedule**

Retrieve an employee's working schedule.

- Action

**Get Gift Certificate Templates**

List the gift certificate templates a location offers.

- Action

**Get Location**

Get a single location by ID.

- Action

**Get Location Cancellation Policy**

Retrieve a location's cancellation policy.

- Action

**Get Location Categories**

List a location's service categories.

- Action

**Get Location Return Policy**

Retrieve a location's return policy.

- Action

**Get Location Schedule**

Get a location's day schedule / business hours.

- Action

**Get Location Sub Categories**

List the sub-categories under a location's service category.

- Action

**Get Package**

Retrieve a package by its id.

- Action

**Get Product Categories**

List the product categories available.

- Action

**Get Product Sub Categories**

List the product sub-categories available.

- Action

**Get Quantity In Stock**

Check the stock level of a product.

- Action

**Get Room**

Retrieve a room by its id.

- Action

**Get Special By Code**

Retrieve a promotional special using its code.

- Action

**Get Treatment**

Get a single treatment/service by ID.

- Action

**Update Customer**

Update a customer record.

- Action

**Update Employee**

Update an existing employee.

- Action

**Update Employee Schedule**

Update an employee's working schedule.

- Action

**Update Location**

Update an existing location.

- Action

**Update Location Cancellation Policy**

Update a location's cancellation policy.

- Action

**Update Location Weekly Day Schedule**

Update a location's weekly opening hours.

- Action

**Update Membership**

Update an existing membership.

- Action

**Update Room**

Update an existing room.

- Action

**Update Treatment**

Update an existing treatment.

- Trigger

**Contact Deleted (instant)**

Fires when a contact is deleted (event: contact.deleted).

- Trigger

**Contact Updated (instant)**

Fires when a contact is updated (event: contact.updated).

- Trigger

**Email Bounced (instant)**

Fires when an email bounces (event: email.bounced).

- Trigger

**Email Delivered (instant)**

Fires when an email is delivered (event: email.delivered).

- Trigger

**New Contact (instant)**

Fires when a contact is created (event: contact.created).

- Trigger

**New Inbound Email**

Polls for newly received inbound emails.

- Trigger

**New Sent Email (instant)**

Fires when an email is sent (event: email.sent).

- Action

**Add a broadcast**

Create a new marketing broadcast.

- Action

**Add a contact**

Create a new contact.

- Action

**Add a segment**

Create a new manual contact segment.

- Action

**Add a template**

Create a new email template.

- Action

**Add contacts to segment**

Add contacts to an existing segment.

- Action

**Add suppression**

Add an address to the suppression list.

- Action

**Cancel broadcast**

Cancel an in-flight broadcast.

- Action

**Cancel email**

Cancel a scheduled or queued email before it sends.

- Action

**Delete a contact**

Delete a contact.

- Action

**Delete a template**

Delete an email template.

- Action

**Get a contact**

Fetch one contact by ID.

- Action

**Get a template**

Fetch one email template by ID.

- Action

**Get broadcast**

Retrieve one broadcast by its public id, including the HTML and text bodies that the list endpoint omits.

- Action

**Get email**

Fetch one sent or queued email by ID.

- Action

**Get email events**

Get the delivery event timeline for one email.

- Action

**Get inbound email**

Fetch one received inbound email by ID.

- Action

**Import contacts**

Bulk-import a CSV list of contacts.

- Action

**List broadcasts**

List marketing broadcasts.

- Action

**List contacts**

List contacts in the account.

- Action

**List emails**

List sent, queued, and scheduled emails.

- Action

**List inbound emails**

List emails received via inbound parsing.

- Action

**List segments**

List contact segments.

- Action

**List suppressed addresses**

List addresses on the suppression list.

- Action

**List templates**

List email templates.

- Action

**Send an email**

Send a transactional email through PostStack.

- Action

**Send broadcast**

Start sending a broadcast to its recipients.

- Action

**Send emails in batch**

Send up to 100 emails in a single request.

- Action

**Update a contact**

Update an existing contact's fields.

- Action

**Update a template**

Update an email template, creating a new version.

- Action

**Update email**

Reschedule a queued email's send time.

- Action

**Validate email address**

Check whether an email address is valid and deliverable.

## Each app on its own

- [ **Booker Merchant** Booker by Mindbody is a cloud booking and business-management platform for spas and salons.](https://apiant.ai/connections/booker-merchant)
- [ **PostStack** EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics](https://apiant.ai/connections/poststack)

Reviews

## What our customers say

## More from Booker Merchant

- [ **Booker Merchant to EasyCSV** EasyCSV enables your users or team members to import CSV files and Google Sheets into your app or any public...](https://apiant.ai/connect/booker-merchant-to-easycsv)
- [ **Booker Merchant to MailerLite** MailerLite’s super-fast email marketing platform helps you grow your business online using innovative email...](https://apiant.ai/connect/booker-merchant-to-mailerlite)
- [ **Booker Merchant to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/booker-merchant-to-hubspot)
- [ **Booker Merchant to Salesforce** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/booker-merchant-to-salesforce)
- [ **Booker Merchant to Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connect/booker-merchant-to-slack)
- [ **Booker Merchant to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/booker-merchant-to-google-sheets)

## More into PostStack

- [ **HubSpot to PostStack** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-poststack)
- [ **Google Sheets to PostStack** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-poststack)
- [ **Gmail to PostStack** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-poststack)
- [ **Google Calendar to PostStack** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-poststack)
- [ **Google Drive to PostStack** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-poststack)
- [ **Mailchimp to PostStack** Mailchimp marketing automation and email platform.](https://apiant.ai/connect/mailchimp-to-poststack)

Questions

## Booker Merchant and PostStack, answered

###

### What can start an automation from Booker Merchant?

Any of Booker Merchant's 6 triggers in the catalog, including New Customer, New Order, New or Updated Appointment and New or Updated Appointment Treatment. Describe the moment in plain language and your agent picks the right one.

###

### What can your agent do in PostStack when something happens in Booker Merchant?

Any of PostStack's 31 actions, including Send an email, Send broadcast, Send emails in batch and Update a contact. Your agent maps the data both ways and tests every scenario before it ships.

###

### Can it also run from PostStack to Booker Merchant?

Yes. When something happens in PostStack, your agent can act in Booker Merchant too. This page covers both directions: PostStack's triggers and Booker Merchant's actions are listed here as well.

###

### Do I have to build a connector for Booker Merchant or PostStack?

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 Booker Merchant and PostStack 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.
