How to Install the OptinMonster WordPress Plugin

Are you using OptinMonster on your WordPress website? Our WordPress plugin makes managing your campaigns easy! This guide will show you how to install the OptinMonster API WordPress plugin so you can access features specific to WordPress.

If you want you can follow our video or check out our walkthrough documentation below the video.

  1. Install the WordPress Plugin
  2. Activate Plugin
  3. Setup Plugin

Step 1 – Install the WordPress Plugin

You can find the OptinMonster plugin from your WordPress admin by navigating to Plugins > Add New and search for OptinMonster in the plugin repository.

You can install the OptinMonster WordPress plugin from your admin screen.

Select the Install Now button, and OptinMonster will be installed on your site.

Step 2 – Activate Plugin

Once you’ve successfully installed OptinMonster, be sure to activate the plugin.

Step 3 – Setup Plugin

Navigate to the OptinMonster menu link, where you’ll be prompted to authenticate your OptinMonster account before proceeding.

To locate your API Key, navigate to the API Credentials page at by clicking your name at the top right, clicking My Account, and then selecting the API link from the top menu.

If this is your first time creating an API key or if you would like to create a new key, click Create New Key and give the new key a descriptive label such as the name of the website the key is for.


Once you have created a key, or if you would like to use an existing key, copy and paste the key into the API Key field in your WordPress admin. Then select the Connect to OptinMonster button to authenticate your account.


Once you’ve successfully authenticated your OptinMonster account, additional options will appear in the OptinMonster screen of your WordPress admin for you to manage your campaigns.

You should now see the following tabs:

  • Optins
  • API Credentials
  • Support
  • Migration (optional: only displays if you’ve previously used the OptinMonster WordPress-only plugin to create/manage campaigns, and you have campaigns available to be migrated to the hosted platform.)

Within the OptinMonster plugin screen you'll find options to view your Campaigns, API settings, Support and optionally Migration if you've previously used our WordPress-only plugin.

That’s it, you’re now ready to manage the campaigns on your site and begin growing your subscription list!

Did you know?: With OptinMonster’s Plugin, you can use our Advanced Targeting Rules to target WordPress Categories, Tags, and more. Learn how our WordPress Plugin and Display Rules work together.

Want to show your subscribe form on every page? See this guide on how to create a sidebar widget campaign in WordPress.


Q: Do I need to use both the WordPress Plugin and the Display Rules?

A: Learn how our WordPress Plugin and Display Rules work together.