Google Optimize website screenshot

Google Optimize

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.

Google Optimize publishes 1 API on the APIs.io network. Tagged areas include A/B Testing, Analytics, Deprecated, Experimentation, and Google.

The Google Optimize catalog on APIs.io includes 1 Spectral governance ruleset.

Google Optimize’s developer surface includes documentation, engineering blog, and 4 more developer resources.

28.5/100 thin ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
1 APIs 6 Features 4 Use Cases
A/B TestingAnalyticsDeprecatedExperimentationGoogleOptimizationPersonalizationSunset

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 28.5/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 4.1 / 13
Governance 3.3 / 12
Discoverability 6.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/google-optimize: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Google Optimize API (Sunset)

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...

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Google Optimize Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Features 6

Notable capabilities this provider offers.

A/B Testing (Sunset)

Test two or more variants of a web page to determine which performs better. Service sunset September 30, 2023.

Multivariate Testing (Sunset)

Test combinations of multiple page elements simultaneously. Service sunset September 30, 2023.

Redirect Tests (Sunset)

Test entirely different pages against each other. Service sunset September 30, 2023.

Personalization (Sunset)

Deliver targeted experiences to specific audience segments. Service sunset September 30, 2023.

Google Analytics Integration (Sunset)

Native integration with Google Analytics for experiment targeting and reporting. Service sunset September 30, 2023.

Visual Editor (Sunset)

WYSIWYG editor for creating test variants without code changes. Service sunset September 30, 2023.

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Google Optimize API Rules

13 rules · 11 errors 1 warnings 1 info

SPECTRAL

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Google Optimize Domain Security

TLSv1.3 · DMARC

SECURITY

Google Optimize Vulnerability Disclosure

security.txt · contact published

SECURITY

Use Cases 4

What developers build with this provider.

Landing Page Optimization

Test landing page variations to improve conversion rates. (Service sunset)

CTA Testing

Test call-to-action button text, color, and placement. (Service sunset)

Content Personalization

Show different content to different audience segments. (Service sunset)

Checkout Flow Optimization

Test checkout process variations to reduce abandonment. (Service sunset)

Solutions 2

Packaged solutions this provider offers.

Google Optimize (Sunset)

Free A/B testing tool sunset September 30, 2023. Migrate to GA4 experiments or third-party tools.

Google Optimize 360 (Sunset)

Enterprise A/B testing tool sunset September 30, 2023. Part of Google Marketing Platform.

Resources

Documentation 1

Reference material describing how the API behaves

Access & Security 2

Authentication, authorization, and security posture

Commercial 2

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
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
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: '2026-04-28'
specificationVersion: '0.19'
tags:
- A/B Testing
- Analytics
- Deprecated
- Experimentation
- Google
- Optimization
- Personalization
- Sunset
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
  tags:
  - A/B Testing
  - Deprecated
  - Experimentation
  - Sunset
  properties:
  - type: Documentation
    url: https://support.google.com/optimize/answer/12979939
common:
- 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: 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