A/B Testing APIs

Popular first highlights editorial picks, then ranks providers by monthly downloads of their official SDKs on npm and PyPI (measured 2026-10-18). Others follow A–Z.

Growth Book

6.2M SDK downloads/moView API profile →

Optimizely

2M SDK downloads/moView API profile →

Eppo

471.8K SDK downloads/moView API profile →

ABtesting.ai

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AdLearn Open Platform

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Apptimize

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Evergage

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Google Optimize

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Leanplum

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Monetate

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Optimizely X

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Splitbee

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Taplytics

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Visual Website Optimizer

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Zoho PageSense

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Counts reflect unique named profiles assigned to this category. Documentation and integration details vary by provider.