Twilio SendGrid

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.

Send confidently with a reliable Email API

Get all your email delivered in seconds and without interruption. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy.

How it works

The Twilio SendGrid Email API delivers

Integration with Twilio SendGrid's Email API is simple


Undelivered emails are missed opportunities

Maximize inbox placement

Use our hybrid, fully redundant MTA for powerful performance, including automated queue handling and throttle risk detection.

Protect your reputation as a trusted sender

Improve email deliverability with Deliverability Insights, sender authentication, SPF and DKIM, reverse DNS, and dedicated IP addresses.

Get an edge on the competition

Benefit from peering to directly deliver email to Google, Yahoo, AOL, and Apple. Consult with email experts who serve on industry-leading groups MS11WG, ESPC, DMA, and EEC.

See plans and pricing

Avoid missed opportunities and maximize inbox placement with Twilio SendGrid's Email API


Whether you’re sending 100 emails or 100 billion—it just works

134 billion

emails sent each month

1.9 second

median email delivery speed


deliverability rate for customers like Nextdoor


four nines uptime SLA


The Email API built to deliver a better experience

Get started with a few lines of code

  • SendGrid Email API

    Integrate with our RESTful APIs and SMTP in minutes

  • Libraries in 7 languages

    Code in your preferred language

  • Interactive Docs

    Start building your email program with interactive docs

  • Intuitive UI

    Create email templates, view stats, and troubleshoot delivery in an intuitive UI

  • Onboarding Services

    Add onboarding services to help with email program architecture or email service migration

Twilio SendGrid's Email API only takes a few lines of code to get started

Need help building? No problem.

Work with one of our trusted partners to get coding support or explore a pre-built email solution.

Work with Twilio Professional Services to set up global call tracking for your company

Use cases

Optimize your customer experience across the entire lifecycle

From signup confirmation to ongoing nurture messages, manage all your emails in one place and create custom triggers to deliver them when you want.

Transactional email

Account creation

Shipping notification

Password recovery

Terms of service updates

Marketing email

Product recommendations

Nurture campaigns

Customer loyalty program

Monthly newsletter

Looking for an easy-to-use email marketing platform? Check out Marketing Campaigns

Multichannel engagement

Start with email and stay connected on any channel

With the Twilio platform, you can meet your customers on the communication channels they prefer—email, SMS, voice, or video.

Diagram of preferred messaging channels

Get started

It’s easy to get started with our email API service. Sign up for free on Twilio SendGrid.