The Get Response promo code works for two types of plans:
You get 30% discount on the 24 months subscription plan
You get 18% discount on the 12 months subscription plan
To active the GetResponse deal you need to follow one of the invitation link provided by members of our community and create your account. The discount will be applied depending on the plan you choose.
Additionally, you also get a 30 days Free Trial offered when you create your account. That gives you plenty of time to try out the GetResponse email service because signing up for a longer plan.