What is the API Key for "Prayer Times API"?

I have to use this API for Prayer timings to develop an Azaan Notification Module in my App based on Unity 3d 2021. kindly provide the API Key.

Mohammad_Ali There is no need for a key.

Salam Alikoum

I need API KEY to develop Android Studio APK please

romarin Why do you need an API key?

meezaan Salam
I'm making APK to calculate prayer times

romarin the AlAdhan API does not require a key.