Google Optimize

aid: google-optimize
name: Google Optimize
description: Google Optimize was a website optimization and A/B testing tool that helped businesses test variations of web
  pages and personalize experiences. Google Optimize and Optimize 360 were sunset on September 30, 2023. Google recommends
  migrating to Google Analytics 4 with built-in A/B testing or third-party tools.
type: Index
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://www.gstatic.com/images/branding/product/1x/optimize_48dp.png
url: https://raw.githubusercontent.com/api-evangelist/google-optimize/refs/heads/main/apis.yml
created: '2024-01-01'
modified: '2026-09-12'
specificationVersion: '0.23'
tags:
- A/B Testing
- Analytics
- Deprecated
- Experimentation
- Google
- Optimization
- Personalization
- Defunct
apis:
- aid: google-optimize:optimize-api
  name: Google Optimize API (Sunset)
  description: API for managing Google Optimize experiments, variants, and accessing optimization data. Sunset on September
    30, 2023. Migrate to Google Analytics 4 experiments or third-party A/B testing tools.
  humanURL: https://support.google.com/optimize/answer/12979939
  baseURL: https://www.googleapis.com/optimize/v1
  image: https://www.gstatic.com/images/branding/product/1x/optimize_48dp.png
  tags:
  - A/B Testing
  - Deprecated
  - Experimentation
  properties:
  - type: Documentation
    url: https://support.google.com/optimize/answer/12979939
common:
- type: Website
  url: https://www.google.com/
- type: VulnerabilityDisclosure
  url: security/google-optimize-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/google-optimize-domain-security.yml
- type: Documentation
  url: https://support.google.com/optimize/answer/12979939
  description: Google Optimize sunset announcement and migration guidance.
- type: Blog
  url: https://blog.google/products/marketingplatform/analytics/
- type: TermsOfService
  url: https://www.google.com/analytics/terms/us.html
- type: PrivacyPolicy
  url: https://policies.google.com/privacy
- type: Security
  url: https://g.co/vrp
  description: Google and Alphabet Vulnerability Reward Program rules and disclosure policy, named as Policy in the corporate
    security.txt.
- type: WellKnown
  url: well-known/google-optimize-well-known.yml
  description: 42 /.well-known/ probes across 6 hosts; one real document found.
- type: SecurityTxt
  url: well-known/google-optimize-security.txt
  description: Corporate Google security.txt served at google.com and www.google.com (HTTP 200, verbatim).
- type: Lifecycle
  url: lifecycle/google-optimize-lifecycle.yml
  description: Sunset timeline for Google Optimize and Optimize 360, retired 2023-09-30.
- type: Deprecation
  url: https://support.google.com/optimize/answer/12979939
  description: Google's published sunset notice and migration guidance for Optimize and Optimize 360.
- type: Packages
  url: packages/google-optimize-packages.yml
  description: No first-party SDK was ever published; five abandoned community npm wrappers and one retired CDN snippet.
- type: LLMsTxt
  url: llms/google-optimize-llms.txt
  description: Agent-facing summary generated by API Evangelist; Google publishes no llms.txt for this product.
- type: Features
  data:
  - name: A/B Testing (Sunset)
    description: Test two or more variants of a web page to determine which performs better. Service sunset September 30,
      2023.
  - name: Multivariate Testing (Sunset)
    description: Test combinations of multiple page elements simultaneously. Service sunset September 30, 2023.
  - name: Redirect Tests (Sunset)
    description: Test entirely different pages against each other. Service sunset September 30, 2023.
  - name: Personalization (Sunset)
    description: Deliver targeted experiences to specific audience segments. Service sunset September 30, 2023.
  - name: Google Analytics Integration (Sunset)
    description: Native integration with Google Analytics for experiment targeting and reporting. Service sunset September
      30, 2023.
  - name: Visual Editor (Sunset)
    description: WYSIWYG editor for creating test variants without code changes. Service sunset September 30, 2023.
- type: UseCases
  data:
  - name: Landing Page Optimization
    description: Test landing page variations to improve conversion rates. (Service sunset)
  - name: CTA Testing
    description: Test call-to-action button text, color, and placement. (Service sunset)
  - name: Content Personalization
    description: Show different content to different audience segments. (Service sunset)
  - name: Checkout Flow Optimization
    description: Test checkout process variations to reduce abandonment. (Service sunset)
- type: Solutions
  data:
  - name: Google Optimize (Sunset)
    description: Free A/B testing tool sunset September 30, 2023. Migrate to GA4 experiments or third-party tools.
  - name: Google Optimize 360 (Sunset)
    description: Enterprise A/B testing tool sunset September 30, 2023. Part of Google Marketing Platform.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-09-12'
  status: minimal
  artifacts_added: 5
  pass: local-v3
x-coverage:
  state: none
  reason: defunct
  detail: Google Optimize and Optimize 360 were sunset on 2023-09-30 and the product is now a tombstone — developers.google.com/optimize
    and optimize.google.com both redirect in full to a single Help Center sunset notice, the documented base https://www.googleapis.com/optimize/v1
    returns 404, and Google's own API Discovery directory listed 530 services on 2026-09-12 with no Optimize entry among them.
  evidence:
  - url: https://developers.google.com/optimize
    status: 200
  - url: https://www.googleapis.com/optimize/v1
    status: 404
  - url: https://optimize.googleapis.com/
    status: 404
  - url: https://www.googleapis.com/discovery/v1/apis?name=optimize
    status: 200
  - url: https://support.google.com/optimize/answer/12979939
    status: 200
  checked: '2026-09-12'
x-parent: google
x-relationship: product
x-status: defunct