If you are starting a new site and/or want to use HTTPS everywhere on your site, you need to update your site URL in  Settings » General by updating your WordPress and site URL address fields.

Help: http://help.wprentals.org/article/google-maps-is-not-loading-what-settings-to-check/

If created API’s for social logins and payment options before to add SSL you must check them and change pages url added in it.

Help:

Paypal setup: http://help.wprentals.org/article/paypal-set-up/

Stripe setup: http://help.wprentals.org/article/stripe-set-up/

Google login: http://help.wprentals.org/article/enable-gmail-google-login/

Facebook login: http://help.wprentals.org/article/facebook-login/