Email API

Create an exceptional email program with the Email API trusted by top brands to deliver at scale.

Looking for a custom plan? Contact Sales


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Say goodbye to email fire drills

Build and monitor your email solution on a trusted foundation—with technical and strategic support when you need it most

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  • Proven email deliverability

    You can rely on our globally distributed, cloud-based architecture.

  • Purpose-built MTA

    Use the MTA trusted to deliver over 100 billion emails/mo for brands like Uber.

  • Time-saving features

    Fast troubleshooting, secure account management, and intuitive UI for data analysis.

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 --request POST \
	--url \
	--header "Authorization: Bearer $SENDGRID_API_KEY" \
	--header 'Content-Type: application/json' \
	--data '{"personalizations": [{"to": [{"email": ""}]}],"from": {"email": ""},"subject": "Sending with SendGrid is Fun","content": [{"type": "text/plain", "value": "and easy to do anywhere, even with cURL"}]}'

Lost emails are lost customers

Reliable and fast email delivery.

Achieve optimal inbox placement with streamlined tools and impactful recommendations to make your email program more effective.

  • SPF records, custom DKIM, feedback loops, and dedicated IP addresses
  • Consultation from delivery experts on M3AAWG, ESPC, DMA, and EEC
  • Partnerships with mailbox providers like Gmail, Microsoft and Verizon Media
  • Infrastructure includes automated queue handling and throttle threat detection

Your teammates will thank you

One email service for your whole team.

Remove silos to reach shared goals. The email platform that empowers developers, marketers, and business leaders to collaborate seamlessly.

  • Create email templates in the UI, send programmatically
  • Configure account settings (permissions and segmentation)
  • Troubleshoot diagnostically to identify delivery issues
  • Performance visibility for teammates across functions

Security Approved

Your email program is safeguarded.

We take privacy and security seriously. We’re continuously strengthening our measures to keep your account secure and protect your brand reputation.

  • Control account access with Teammate Permissions, API keys, 2FA, and IP access management
  • Protect data with Event Webhook security, opportunistic and enforced TLS encryption
  • Comply with SOC 2 type II and GDPR
  • Partner with dedicated fraud and compliance teams to monitor email delivery 24/7
  • Secure the messages you send with authentication standards DMARC, DKIM
  • Single Sign-On (SSO) to securely and centrally manage account permissions
Email add-ons

Extras to maximize your sending

Add these to your base plan to send your best.

  • 30 Days of Email Activity History

    Gain visibility with more data by searching additional history and API access.

    See Into The future

  • Additional Dedicated IP Address

    Distribute your email traffic across IP addresses to guard your sender reputation and improve deliverability.

    Divide and Conquer

  • Twilio Products and APIs

    Extend your customer communications across SMS, WhatsApp, Video, and more.

    Expand Your Reach

  • Personalized Support

    Get the highest level of support to keep your email program up and running and skip the queue when you have critical questions.

    Get VIP Support

  • Deliverability Services

    Deliverability is at the heart of most email issues. Have an expert review, analyze, and diagnose your email program and make recommendations.

    Explore Now

  • Twilio Segment products

    Personalize your email campaigns with real-time data from the leading Customer Data Platform.

    Connect your data with Segment

Email API Features

Tools to send smarter

Dynamic Email Templates

Email templates with HTML rendering and conditional formatting with testing previews—accessed by your API calls.

Explore Dynamic Email Content

Email Validation API

Get results in real time to catch address typos in-form, bounce fewer emails and improve your sending reputation.

Explore Email Validation API

SMTP Service

Send over our leading cloud-based SMTP service for a quick and easy integration via SMTP relay or our flexible API.

Explore SMTP Service

Email Testing for Dynamic Templates

Test for inbox rendering, link validity, and performance against spam filters.

Testing, 1,2,3

Trust that your emails get delivered and your data is safe.


The tools and expertise you need to optimize your inbox delivery rate.

Reach the Inbox


Send on a world-class platform that delivers more than 100 billion emails/mo.

Send & Grow


Experts can help you optimize your program, troubleshoot, and resolve issues.

Work with Experts

24/7 Support

Our support teams can give you information and guidance when you need it most.

Help Me Send

Ready to start sending?

Free to get started. Free to send.

Talk to Sales