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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
Custom Fields
5 API Methods
GET
List Custom Fields for a project
Updated
16 Sep 2026
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POST
Create a new Custom Field
Updated
16 Sep 2026
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PATCH
Update an existing Custom Field
Updated
16 Sep 2026
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POST
Archive a Custom Field
Updated
16 Sep 2026
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POST
Unarchive a Custom Field
Updated
16 Sep 2026
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