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Choose a Trigger

Choose an Action

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1. Choose trigger event

2. Choose action

1. Select the event

Setup

Test

App

Trigger event

Choose a trigger event

Choose a trigger

A trigger is the event that starts your Zap—like a "Action Button Clicked" from Stacker.

Add your action

An action happens after the trigger—such as "Send Letter" in Lob.

You’re connected!

Zapier seamlessly connects Stacker and Lob, automating your workflow.

Supported triggers and actions

Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.

- App
  Required
- Table
  Required
- Action
  Required
Trigger
Instant
Try It
- App
  Required
- Table
  Required
Trigger
Instant
Try It
- App
  Required
- Table
  Required
Action
Write
- App
  Required
- Table
  Required
- Field
- Value
  Required
Action
Search
- Description
- Size
- Front File for Postcard
  Required
- Back File for Postcard
  Required
- To Address Name
- To Address Company
- To Address Line 1
  Required
- To Address Line 2
- To Address City
- To Address State
- To Address Zip
- To Address Country
- From Address Name
- From Address Company
- From Address Line 1
- From Address Line 2
- From Address City
- From Address State
- From Address Zip
- Mail Type
- Send Date
- Use Type
  Required
- Idempotency Key
- QR Code Position
- QR Code Redirect URL
- QR Code Width
- QR Code Top
- QR Code Right
- QR Code Left
- QR Code Bottom
- QR Code Pages
- QR Code Logo URL
- QR Code Background Color
- QR Code Foreground Color
Action
Write

- Recipient
- Primary Line
  Required
- Secondary Line
- City
- State
- Postal Code
- Country
  Required
Action
Write
- Recipient
- Primary Line
  Required
- Secondary Line
- Urbanization
- City
- State
- Zip Code
Action
Write

- App
  Required
- Table
  Required
Trigger
Instant
Try It
- App
  Required
- Table
  Required
Trigger
Instant
Try It
- App
  Required
- Table
  Required
- Record ID
  Required
Action
Write
- Description
- File
  Required
- Color
  Required
- Address Placement
- Double Sided
- To Name
- To Address Company
- To Address Line 1
  Required
- To Address Line 2
- To Address City
- To Address State
- To Address Zip
- To Address Country
- From Address Name
- From Address Company
- From Address Line 1
  Required
- From Address Line 2
- From Address City
  Required
- From Address State
  Required
- From Address Zip
  Required
- Mail Type
- Return Envelope
- Custom Envelope
- Perforated Page
- Extra Service
- Send Date
- Use Type
  Required
- Idempotency Key
- QR Code Position
- QR Code Redirect URL
- QR Code Width
- QR Code Top
- QR Code Right
- QR Code Left
- QR Code Bottom
- QR Code Pages
- QR Code Logo URL
- QR Code Background Color
- QR Code Foreground Color
Action
Write
- Description
- Size
- Inside File for Self-Mailer
  Required
- Outside File for Self-Mailer
  Required
- To Address Name
- To Address Company
- To Address Line 1
  Required
- To Address Line 2
- To Address City
  Required
- To Address State
  Required
- To Address Zip
  Required
- From Address Name
- From Address Company
- From Address Line 1
- From Address Line 2
- From Address City
- From Address State
- From Address Zip
- Mail Type
- Send Date
- Use Type
  Required
- Idempotency Key
- QR Code Position
- QR Code Redirect URL
- QR Code Width
- QR Code Top
- QR Code Right
- QR Code Left
- QR Code Bottom
- QR Code Pages
- QR Code Logo URL
- QR Code Background Color
- QR Code Foreground Color
Action
Write
- Single Line US Address
  Required
Action
Write

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93%

Customers who say using Zapier has made them better at their job

25m

Customers have created over 25 million Zaps on the platform

6 mins

The average user takes less than 6 minutes to set up a Zap

Connect Stacker and Lob to integrate crucial parts of your business

With Zapier, you can integrate everything from basic data entry to end-to-end processes. Here are some of the business-critical workflows that people automate with Zapier.

Automate your lead management and improve conversions

With Zapier, you can automate every part of your lead funnel and give yourself the best chance at converting leads. Automate everything from lead capture to outreach to reporting—and close more deals as a result.

Create more impactful campaigns with automation

Measuring campaign performance across platforms can get chaotic. Plus, digging up the right metrics costs you precious time and effort. With Zapier, you can create a centralized view of your performance, skillfully manage your lists, and ensure your campaigns drive ROI across the business.

Provide world-class support with a little help from automation

Support reps can't be productive when they have to track down crucial information for every incident or ticket. With Zapier, you can automatically send your reps the context they need to resolve tickets quickly and create a seamless customer experience.

Automate your way to actionable, up-to-date data

The days of manually exporting and importing data are over. With Zapier, you can send data where it needs to go, in the format you need it—so you can centralize your data and unlock more insights.

Resolve incidents faster with automation

Your technical support team wants to focus on tech tickets rather than admin work. With Zapier, you can automate everything from ticket creation to routing to inter-team communication—eliminating friction from incident management and increasing speed to resolution.

Make work flow with AI

Level up your Stacker to Lob integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.

Learn about AI automation

About Stacker

Stacker gives you the simplicity of a spreadsheet but the power of a development team.

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Zapier Interfaces

App Builder, CRM (Customer Relationship Management), Forms & Surveys, Zapier

About Lob

Lob makes it easy to seamlessly print and mail letters, postcards, photos, posters and more via a web API.