You have two options for the implementation: standard of custom.
The Native Ads library integration can be easily done trough our library. You can also download it and take the relevant parts, to use them in your project. This is the recommended way to integrate the ads.
The library offers a very lightweight way to integrate the ads, offering you full control on how ads are displayed, and making the task of retrieving ads as easy as it can get.
The Native Ads can be retrieved and displayed also with custom code. In order to achieve it, we encourage you to follow the example in our native library, but don't feel constrained by it. We provide you also two guides to manually do the process, and our API docs: