Jetpack Retrofit

Modules:

implementation ("com.squareup.retrofit2:retrofit:2.9.0") // retrofit
implementation ("com.squareup.retrofit2:converter-gson:2.9.0") 
implementation ("io.coil-kt:coil-compose:2.0.0-rc01") // async images
implementation ("com.squareup.okhttp3:okhttp:4.7.2") // logging 
implementation ("com.squareup.okhttp3:logging-interceptor:4.7.2")

DataClass:

data class Episodes(
    @SerializedName("@id") val musor : Any? = null // для незаконных id
    val released: Boolean = false,
    val total: Any? = null
)

Interface:

interface ImageApi {
    @GET("search") // Только то,что нужно, основной адрес ниже
    suspend fun getEpisodes(
    @Query("included_tags") tag : String,
    @Query("many") many : Boolean,
    @Header("asa") asa : String = "a") : Episodes //DataClass

//creating Retrofit 
companion object {
        var apiService : ImageApi? = null
        fun getInstance() : ImageApi {
            if (apiService == null){
// LOgging 
                val interceptor = HttpLoggingInterceptor()
                interceptor.level = HttpLoggingInterceptor.Level.BODY
                val client = OkHttpClient.Builder().addInterceptor(interceptor).build()
//MainService
                apiService = Retrofit.Builder()
                    .baseUrl("https/example.ru/") //baseUrl with "/"
                    .client(client)
                    .addConverterFactory(GsonConverterFactory.create())
                    .build().create(ImageApi::class.java)
            }
            return apiService!!
        }
    }

} 

ViewModel:

class SimpleVM : ViewModel() {
var episodes : Episodes by mutableStateOf(Episodes()) // DataClass

private val _uiState = MutableStateFlow(UIState()) //UiState
val uiState: StateFlow<UIState> = _uiState

init{
  getEpisodes()
}

fun getEpisodes(){
    viewModelScope.launch {
        val service = ImageApi.getInstance()
        try {
            val response = service.getEpisodes() // params if any
            anime = response // be careful with contentType!!!

        }
        catch (e: Exception){ // try/catch
            println(e.localizedMessage)
        }
    }
}