Knowledge Center

marketing

Marketing Campaigns

Use the SendGrid UI to add contacts, create segments, create and send emails and automations, and view your stats.
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development

API

Use the SendGrid v3 REST API to build and send email.
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development

SMTP

Use the SendGrid SMTP API to build and send email.
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twilio

Twilio Documentation

Explore Twilio’s API documentation and quickstarts. Learn how to build SMS, voice, chat, and video applications to engage your customers intelligently on Twilio’s omnichannel platform.
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