Optimization Personalization And 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.

Nosto

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Objeqt

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Ometrics

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Omniconvert

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OpenText

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OpenTopic

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Opteo

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Optimonk

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OptinMonster

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Optkit

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Optmyzr

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Padicode

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PageMutant

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PageWiz

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Persado

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Personyze

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Piano

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Picreel

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Please

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Populr

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PossibleNow

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Privyr

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Prudsys

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Purlem

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Pyze

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Quicksprout

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Qwardo

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RaiseMetrics

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Reactful

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REES46

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Reflektion

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Retention Science

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Revtrax

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RichRelevance

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Roojoom

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Sailthru

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Segmint

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Sentient.AI

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SiteGainer

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Siteimprove

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SiteSpect

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Skymosity

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Sleeknote

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SmartFocus

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SmoothConversion

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SoloSegment

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Spaceboost

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SparkPage

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