Check API reference documentation at: https://sendgrid.com/docs/api-reference/

Documentation to configure Sendgrid:

• Domain authentication: https://sendgrid.com/docs/ui/account-and-settings/how-to-set-up-domain-authentication/
• Single sender verification: https://sendgrid.com/docs/ui/sending-email/sender-verification/
• Authentication: https://sendgrid.com/docs/for-developers/sending-email/authentication/

Connector features:

• Send single email
  • Sending a single email to a single recipient
  • Sending a single email to a single recipient with a CC
  • Sending a single email to a single recipient with a CC and a BCC
  • Sending the same email to multiple recipients
  • Sending a single email to a single recipient with multiple CCs and BCCs
• Enable Sandbox Mode: https://sendgrid.com/docs/for-developers/sending-email/sandbox-mode/
• Schedule email sending
• Configure email settings: https://sendgrid.com/docs/ui/account-and-settings/mail/
• Configure tracking settings: https://sendgrid.com/docs/ui/account-and-settings/tracking/