SapCPIClient

import io.ktor.client.*
import io.ktor.client.engine.cio.*
import io.ktor.client.features.*
import io.ktor.client.features.cookies.*
import io.ktor.client.request.*
import io.ktor.client.statement.*

val uri = "https://e000001-tmn.hci.ru1.hana.ondemand.com/api/v1"

suspend fun main(args: Array<String>): Unit {
    var token = "Fetch"
    val client = HttpClient(CIO) {
        engine {
            threadsCount = 2
        }
        install(HttpCookies) {
            storage = AcceptAllCookiesStorage()
        }
        defaultRequest {
            header("Accept", "application/json")
            header("X-CSRF-Token", token)
        }
    }
    val h1:HttpResponse = client.head(uri) {
        header("Authorization", "Basic cccccccccccccccccccccccccccccccc")
    }
    token = h1.headers.get("X-CSRF-Token") ?: ""
    println(token)
    val g1:HttpResponse = client.get("$uri/ServiceEndpoints?\$top=1") {
    }
    println(g1.readText())
    client.close()
}

для себя памятка про ктор-клиент для ЦПИ