Add Transactional Send (POST /v3/domains/{domain_name}/messages/send)#465

pengfeiye merged 1 commit intomainnylas/nylas-python:mainfrom

TT-4386-python-sdk-for-crud-transactional-sendnylas/nylas-python:TT-4386-python-sdk-for-crud-transactional-sendCopy head branch name to clipboard