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Developer Documentation

How to get data in and out of Customer.io

Sending Data Into Customer.io

Integrating with Customer.io

Planning Your Integration: Guide to Mapping Data in Customer.io

Importing old data in to Customer.io

Send data using the Javascript Snippet

Libraries to help get analytics data into Customer.io

Using Customer.io with Rails

Integrating With 3rd Parties

Using Customer.io with Mixpanel or KISSMetrics

Getting Data Out Of Customer.io

Segment Sources

Send Data to a Data Warehouse with Stitch

Email Webhooks

Getting Started

New to Customer.io? Start here!

Email Configuration

Setting Up Authentication

Delivering your Customer.io Email Overview

Use your Mailgun Account to Send Customer.io Email

Use your Mandrill Account to Send Customer.io Email

Use your SendGrid Account to Send Customer.io Email

Send Customer.io mail through your SMTP server

Explainer

Types of Campaigns

Emails: Layout vs. Content

Segmentation

Tutorial

Creating Segments

Send a Welcome Email

Timestamp Rules for Building Segments

Help Docs

The nuts & bolts of using Customer.io

Campaigns

A/B testing your triggered emails with Customer.io

Action Conditions

What happens when you make changes to a campaign

How To Set Up An Event Triggered Campaign

What are the differences between event triggered and segment triggered campaigns?

Link Tracking

Newsletter Split Testing

Creating and Sending Newsletters

How To Set Up A Segment Triggered Campaign

Account

Adding Team Members to Your Account

Canceling Your Account

Environments within Customer.io (Deprecated)

Where Are My API Key and Site ID?

Finding Receipts

Modifying Your Subscription

Two-Factor Authentication

Primers

Resources to improve your campaings

Info

Deliverability Dos and Don'ts

Layouts

Best Practices for Implementing NPS Surveys

Planning Your Lifecycle Email Campaigns

Power Tips: Using Liquid to Personalize Emails

Creating Clickable Subject Lines

REST API

API Documentation

Documentation

Getting Started

Javascript Snippet or Backend language?

API Endpoints

Recipes

Step-by-step instructions for cooking up great campaigns

Campaigns

Anonymous Invite Emails

Assign a personal support rep

Birthday and Anniversary Campaigns

Cart Abandonment

Invite Emails

Onboarding Campaign

Personalize Campaigns Based on Roles

Trial expiration reminders

Service Integration

Send data from Customer.io to Salesforce, Highrise or another CRM

Templates

Welcome Email Copy

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