Marketing 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.

Omnisend

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Ontraport

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Opesta

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Oracle Marketing Cloud

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ORBTR

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Pardot

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PartnerStack

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Perspective

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Platform.ly

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Plezi

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Postalytics

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Proof

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Pure360

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Quentn

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RD Station

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Real Magnet

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Rebrandly

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Remarkety

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Replyify

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Retina AI

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rezora

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Robly

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RocketResponder

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Route

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SE Ranking

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Sendmsg (שלח מסר)

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Seva

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Sezion

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Sign-Up.to

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Signalayer

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Silverpop

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Smoove

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Stannp

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StreamSend

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Survey Funnel

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TailoredMail

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TapRight Chatbot

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TextMagic

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Thankster

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TPNI Engage

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Trackify

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TractionNext

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TruConversion

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Unisender

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Upcall

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UpCity

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Usepeep

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UserEngage

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