Android Purchase subscription and introductory price

Question

Google came with with the idea of introductory price (https://support.google.com/googleplay/android-developer/answer/140504?hl=en).

My question is related to its API. I

Answer 1

I just found this recently at this link https://developer.android.com/google/play/billing/billing_reference.html#billing-codes

Listed in the Billing Details API Reference section, there are extra fields in the response that only appear if there is an introductory price set. introductoryPrice for example gives a string like "$9.99". You can just check if that field is set, and if it is then there is an introductory rate available, you can also get things like the introductory price period and number of cycles it applies to.