how to send transactional emails using constant contact in php -

present using sendgrid sending transnational emails after donating/ registering user. , constant contact sending news letters subscribed users in website.

i want use 1 server both.

is there possibility send transnational emails using constant contact. have searched in developer.constantcontact website. there no exact solution. in given api adding emails list in campaign. , creating campaign , sending email users in list.

is there possibility send email notification registered/donated user immedieately without creating campaign.

please hemp me.

no.
you'll need use mandrill mailchimp transactional emails. maybe cc add support @ point, wouldn't count on it.