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Feature Experimentation docs
Feature Experimentation API
Release Notes for Feature Experimentation
About the Feature Experimentation APIs
Generate tokens and use the REST APIs
REST API cookbook
API Recipes
Create a flag and variables
Create variations
Create events
Create attributes
Create audiences
Create experiment
Launch experiment
Conclude experiment
Analyze results
Optimizely Feature Experimentation API
Optimizely API
Permission Service
Optimizely Flags Scheduling API
Optimizely Agent API
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Optimizely Feature Experimentation API
Variable Definitions
6 API Methods
GET
Fetch all variable definitions for flag.
Updated
16 Sep 2026
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PATCH
Update Variable Definitions
Updated
16 Sep 2026
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POST
Create Variable Definition
Updated
16 Sep 2026
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POST
Brainstorm variable definitions using AI.
Updated
16 Sep 2026
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DELETE
Delete a Variable Definition
Updated
16 Sep 2026
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GET
Fetch a single variable definition by its key.
Updated
16 Sep 2026
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Fetch all variable definitions for flag.
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