https://www.twilio.com/docs/sendgrid/api-reference/sender-identities-api/create-a-sender-identity
Create a Sender Identity | SendGrid Docs | Twilio
Create new sender identities via SendGrid API. Manage user details, verify status and associate with campaigns. Improve efficiency with 'on-behalf-of' header...
create a sender identitysendgriddocstwilio