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Send at scale with SendGrid’s trusted email API and marketing campaigns platform, delivering 148+ billion emails for senders like you every month.
Send 100 emails/day free forever. SendGrid is the world's largest email infrastructure as a service provider. We send over 100 billion non-spam emails a month for over 80,000 paying customers including technology leaders like AirBnB, Spotify, and Uber. Try for free.
The Email API by developers, for developers. Integrate and deliver in minutes with our RESTful APIs and SMTP, libraries to support your programming language, and interactive documentation. Curl.
Learn to send transactional and marketing emails at scale with the platform that offers a 99% deliverability rate. From quickstarts and onboarding guides to full API reference, the Twilio SendGrid docs have everything you need to send email at scale.
The Email API for optimal inbox placement. Send marketing and transactional email through the Twilio SendGrid platform with our Email API, proprietary mail transfer agent, and infrastructure for scalable delivery. Start for free.
The SendGrid v3 Web API provides a REST-like interface that enables you to send email at scale, ensuring your application can handle high-volume email with ease.
Delivering your transactional and marketing email through one reliable platform.
Centralize your email communications with SendGrid's email platform to get a complete view of the entire customer journey.
SendGrid (also known as Twilio SendGrid) is a Denver, Colorado-based customer communication platform for transactional and marketing email. [3] [4] [5] [6] [7] [8] The company was founded by Isaac Saldana, Jose Lopez, and Tim Jenkins in 2009, and incubated through the Techstars accelerator program.
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