Legacy NewsletterMarketing Campaigns
Legacy API allows developers to:
  • Build campaigns
  • Create, manage, and delete lists
  • Create, edit, and delete sender identities (recipient and sender)
  • Schedule campaigns
  • Run A/B tests
  • Assign categories to campaigns
Near-complete parity with the Marketing Campaigns user interface, empowering development and non-technical teams to collaborate seamlessly.

Marketing Campaigns API allows developers to:
  • Add, manage, and delete contacts - NEW
  • Build and send campaigns
  • Create, edit, and delete sender identities
  • Assign categories to campaigns
All Marketing Campaigns APIs are part of SendGrid’s new v3 Web API, offering:
  • Better authentication methods
  • More consistent API standards and response data