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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.
Don't have a Twilio SendGrid account? Sign up now! Web site for login SendGrid.
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.
Do you know your email delivery rate? SendGrid’s #1 priority is getting your emails delivered to the inbox. Improve your email deliverability with us.
Centralize your email communications with SendGrid's email platform to get a complete view of the entire customer journey.
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.
We recommend using "apikey" for your SMTP username and creating an API Key to use for your password. For more information, click here. What kinds of account security does SendGrid offer? SendGrid offers Two Factor Authentication and IP Access Management features to secure your account.
Twilio SendGrid is a cloud-based SMTP provider that acts as an email delivery engine, allowing you to send email without the cost and complexity of maintaining your own email servers. Twilio SendGrid manages the technical details of email delivery, like infrastructure scaling, ISP outreach, reputation monitoring, and real-time analytics.
SendGrid is trusted by extraordinary businesses like Spotify and Airbnb to provide reliable, scalable email infrastructure. Our proprietary mail transfer agent (MTA) delivers powerful performance—sending over 90 billion emails monthly with a median delivery speed of 1.9 seconds.
