Develop with Optimizely

Run experiments with Optimizely's powerful SDKs or manage experiments with our API

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Run experiments client-side on your website.

Run experiments anywhere in your tech stack.

Run experiments in your iOS or Android app.

Run experiments in your tvOS or Android TV app.

Leverage the REST API to programmatically access Optimizely experiments and other entities.

Learn how to build integrations with Optimizely to deliver a seamless experience to your customers.

Extensions are reusable templates for making changes in the visual editor and can be built with HTML/CSS & JS.

Access all of your Optimizely experiment data in CSV form. This data can be used with your own data warehouse.

Customer Profiles are a collection of customer attributes, which developers can manage through endpoints.

Leveraging OAuth 2.0 allows developers to programmatically access Optimizely data via the REST API on behalf of a user.

Get a free Optimizely developer account with full access to our APIs and SDKs.