RPC won't work, so you can either develop REST and maintain two APIs, or use REST from the start and only maintain a single API.

If your RPC API is consistent enough that its underlying model could be used as the basis for a REST API, you’re probably fine.

HTTP & JSON-RPC requests. Google said that if you are using the Google Search Console API and batch HTTP and JSON-RPC requests, it will stop working soon.

Google announced on Friday that if you are using batch HTTP and JSON-RPC requests with the Google Search Console API, you will want to change that ASAP. In 2018, Google announced it will ...