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Transactional Email Software with API (2026) - Page 4

Last updated: April 2026

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79 software options

Everlytic logo

Bulk communication platform

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Empower your business software to automatically trigger and personalize business-critical emails and text messages to customers when they transact with your organization – all via a restful API or SMTP relay.

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Aument logo

Always on email + SMS marketing for Shopify stores

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For ecommerce that want to grab attention, Aument holds it. Always-on email and SMS marketing.

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Marigold Liveclicker logo

Give customers what they want - at the time of open.

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Purpose-built to make your emails more interactive, personalized and timely, Liveclicker by Zeta is the ultimate companion for your email marketing solution. We’ll help you amplify engagement, increase clicks and cultivate loyalty with a robust selection of real-time personalization features.

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JetSend logo

Transactional email management platform

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JetSend is a transactional email management solution that allows businesses to send, track, and manage email campaigns. The platform also offers suppression list management with built-in compliance measures to ensure all communication are GDPR compliant.

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