Optimizely

Optimizely Holdouts API

The Holdouts API from Optimizely — 4 operation(s) for holdouts.

GitHub OpenAPI
Business capability
Product Telemetry & Experimentation Management BC-4280

Operations 7

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /projects/{project_id}/holdouts List holdouts in a project · List Holdouts for a project #
Ask an LLM
“Which holdouts are currently running in my Optimizely project?”
“Can I filter holdouts to draft or concluded ones only?”
Tell an agent
List holdouts in project {project_id}.
Show holdouts in project {project_id} with status {status}.
POST /projects/{project_id}/holdouts Create a holdout control group · Create a new Holdout #
Ask an LLM
“How do I reserve a slice of traffic as a baseline that sees no experiments?”
“What traffic allocation units does a new holdout use, percent or basis points?”
Tell an agent
Create holdout {name} with key {key} in project {project_id}.
Create holdout {name} ({key}) in project {project_id} holding back {traffic_allocation} basis points in {environment_key}.
DELETE /projects/{project_id}/holdouts/{holdout_id} Permanently delete a holdout · Delete a Holdout #
Ask an LLM
“Can I recover a holdout's metric history after deleting it?”
“How do I permanently remove a holdout I no longer need?”
Tell an agent destructive · confirm first
Permanently delete holdout {holdout_id} from project {project_id}.
Remove holdout {holdout_id} in project {project_id} and all its data.
GET /projects/{project_id}/holdouts/{holdout_id} Get a holdout's configuration · Fetch a single Holdout #
Ask an LLM
“What traffic allocation and status does a specific holdout have?”
“Can I see the audience conditions and metrics configured on one holdout?”
Tell an agent
Fetch holdout {holdout_id} in project {project_id}.
Show the configuration of holdout {holdout_id} in project {project_id}.
POST /projects/{project_id}/holdouts/{holdout_id} Update a holdout with JSON Patch · Update a Holdout using JSON Patch #
Ask an LLM
“How do I move a holdout from draft to running?”
“Can I change a holdout's traffic allocation without replacing the whole thing?”
Tell an agent
Patch holdout {holdout_id} in project {project_id} to set its status to running.
Conclude holdout {holdout_id} in project {project_id} with a JSON Patch.
GET /projects/{project_id}/holdouts/{holdout_id}/experiments List experiments connected to a holdout · Fetch experiments associated with a holdout #
Ask an LLM
“Which experiments are affected by a particular holdout?”
“Can I see start and end times of experiments linked to a holdout?”
Tell an agent
List experiments connected to holdout {holdout_id} in project {project_id}.
Show the experiments and deployed variations tied to holdout {holdout_id} in project {project_id}.
GET /export/projects/{project_id}/holdouts/{holdout_id}/results/csv Export holdout results as CSV · Get Holdout results as a CSV #
Ask an LLM
“How do I download a holdout's results as a spreadsheet?”
“Can I segment exported holdout results by device or browser?”
Tell an agent
Export results for holdout {holdout_id} in project {project_id} as CSV.
Download holdout {holdout_id} results in project {project_id} segmented by device {device}.

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/optimizely/refs/heads/main/openapi/optimizely-holdouts-api-openapi.yml

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OpenAPI Specification

optimizely-holdouts-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Optimizely Holdouts API
  x-refined-note:
  - x-logo differs across the merged source definitions and was not carried
  version: '1.0'
  description: 'Operations tagged Holdouts across 2 of this provider''s published API definitions: optimizely-feature-experimentation-optimizely-feature-experimentation-api-openapi.json, optimizely-web-experimentation-optimizely-api-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.optimizely.com/flags/v1/
- url: https://api.optimizely.com/v2
security:
- apiKey: []
- OAuth2:
  - read
  - write
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/optimizely/refs/heads/main/openapi/optimizely-holdouts-api-openapi.yml