Hellow i need some help regarding Android app development

i want to know how to create post from json api

i know how to get nonce and add post as per this plugin docs

but i don;t know how i can add permanent nounce or key to add new post

i like to create new post from android where i needed a fix
API URL Which can create new posts

Hope you got it , and help
thanks.

https://wordpress.org/plugins/json-api/