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SendGrid v3 API Documentation

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.

Whether you're sending transactional emails, marketing campaigns, managing your contacts, or monitoring the health of your email statistics, the SendGrid v3 Web API provides endpoints that allow you to integrate with your tech stack in a way that works for you.

The API reference provides full documentation for every endpoint and operation available. See the Getting Started section for a quick overview on how to use our APIs in general, including links to our open-source helper libraries.

Additional resources

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Onboarding guide

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For a more full-featured guide to ensure you build your email program atop a solid foundation, see our Email API Onboarding guide.

Jump to an email quickstart in your programming language of choice for a full guide on how to implement the Mail Send API.

  • C#
  • Go
  • Java
  • Node.js
  • PHP
  • Python
  • Ruby

Helper libraries and tools

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See our open-source helper libraries and tools to integrate with SendGrid quickly.

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