Create email sign-up forms in WordPress that integrate with Ontraport. Connect WooCommerce and various contact form, membership, and LMS plugins to your Ontraport account.
Your Ontraport WordPress plugin should do two things well: connect without hassle and give you enough control to build the form experience your audience actually deserves. MailOptin does both, letting you create lead capture forms on your WordPress site that feed directly into your Ontraport audience, contact, or email list.



The Best Ontraport WordPress Plugin
MailOptin integrates WordPress with Ontraport, making it easy to add new subscribers from your created optin forms. It automatically sends leads, tags, contact information, and custom data directly to Ontraport.
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Connect Optin Forms to Ontraport
Add a Ontraport integration to your WordPress optin form created with MailOptin and send subscriber data to your email list with every submission.
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Custom Fields Mapping
Easily connect form fields to Ontraport custom fields to make sure data is sent correctly for better targeting.
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Add Tags Automatically
If Ontraport supports it, assign one or more tags to new subscribers after they submit the form.
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Select List to Join
Let your leads, contacts, or registering users select the Ontraport audience or email list they want to subscribe to.
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Double Optin Support
If Ontraport supports it, enable confirmation emails for each subscriber to ensure they have actively opted in.
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Content Locking
Restrict access to certain parts of your WordPress content for Ontraport subscribers only.
Grow Your Ontraport Email List: Display targeted popups, slide-ins, notification bars, sidebar forms, and inline opt-ins to convert website visitors into email subscribers and customers
E-commerce Customer Engagement: Use the WooCommerce integration to target customers with specific offers and Ontraport signup forms based on their cart contents, purchase history, or total spending, enhancing customer loyalty and driving sales
Sync Form Submissions to Your CRM: Connect Gravity Forms, Contact Form 7, WPForms, Ninja Forms, Elementor Forms, Fluent Forms, Formidable Forms, WS Form, and other form plugins to automatically send new leads to your Ontraport account.
Automate Customer & Member Onboarding: Instantly add new WooCommerce customers, MemberPress members, Paid Memberships Pro subscribers, Ultimate Member users, GiveWP donors, and Easy Digital Downloads customers to your Ontraport email lists.
Nurture Students from Your LMS: Subscribe students from LearnDash, LifterLMS, and Tutor LMS to Ontraport and segment them based on their enrolled courses.
Ontraport is an all-in-one platform that combines customer relationship management, marketing automation, and e-commerce tools designed to help businesses manage customer relationships, sales, marketing, payments, and websites. It enables businesses to automate email and SMS campaigns, build landing pages and membership sites, manage sales pipelines, and accept online payments.
To connect Ontraport to WordPress, install and activate MailOptin, then connect your Ontraport account using an API key or OAuth. Next, create an email signup form or popup in MailOptin and select Ontraport as an integration. Once configured, new subscribers collected through your WordPress forms are automatically added to your chosen Ontraport list.
No technical knowledge is required. The Ontraport integration in MailOptin is designed to be user-friendly, making it easy to set up and manage your data connections.
Stop letting your warmest leads slip away, and start making money with MailOptin by connecting your optin forms and WordPress website to Ontraport.