diff --git a/app/src/main/java/dev/msfjarvis/lobsters/MainActivity.kt b/app/src/main/java/dev/msfjarvis/lobsters/MainActivity.kt
index ab159edf..9780be37 100644
--- a/app/src/main/java/dev/msfjarvis/lobsters/MainActivity.kt
+++ b/app/src/main/java/dev/msfjarvis/lobsters/MainActivity.kt
@@ -20,9 +20,6 @@ import dev.msfjarvis.lobsters.ui.LobstersItem
 import dev.msfjarvis.lobsters.ui.LobstersTheme
 import dev.msfjarvis.lobsters.urllauncher.UrlLauncher
 import kotlinx.coroutines.launch
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
 import javax.inject.Inject
 
 val UrlLauncherAmbient = ambientOf<UrlLauncher> { error("Needs to be provided") }
@@ -40,20 +37,7 @@ class MainActivity : AppCompatActivity() {
           val coroutineScope = rememberCoroutineScope()
           val posts = mutableStateListOf<LobstersPost>()
           coroutineScope.launch {
-            apiClient.getHottestPosts().enqueue(object : Callback<List<LobstersPost>> {
-              override fun onResponse(
-                call: Call<List<LobstersPost>>,
-                response: Response<List<LobstersPost>>
-              ) {
-                if (response.isSuccessful) {
-                  response.body()?.let { posts.addAll(it) }
-                }
-              }
-
-              override fun onFailure(call: Call<List<LobstersPost>>, t: Throwable) {
-                TODO("Not yet implemented")
-              }
-            })
+            posts.addAll(apiClient.getHottestPosts())
           }
           LobstersApp(posts)
         }
diff --git a/lobsters-api/build.gradle b/lobsters-api/build.gradle
index 7c1d953e..4de188c3 100644
--- a/lobsters-api/build.gradle
+++ b/lobsters-api/build.gradle
@@ -7,10 +7,11 @@ dependencies {
     def moshi_version = "1.9.3"
     def retrofit_version = "2.9.0"
     implementation project(":model")
-    api "com.squareup.retrofit2:retrofit:$retrofit_version"
+    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
     implementation "com.squareup.retrofit2:converter-moshi:$retrofit_version"
     kaptTest "com.squareup.moshi:moshi-kotlin-codegen:$moshi_version"
     testImplementation 'junit:junit:4.13'
+    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.9"
     // retrofit uses 3.14.9, so shall we.
     //noinspection GradleDependency
     testImplementation "com.squareup.okhttp3:mockwebserver:3.14.9"
diff --git a/lobsters-api/src/main/java/dev/msfjarvis/lobsters/api/LobstersApi.kt b/lobsters-api/src/main/java/dev/msfjarvis/lobsters/api/LobstersApi.kt
index 5422bc7a..f90b4e1b 100644
--- a/lobsters-api/src/main/java/dev/msfjarvis/lobsters/api/LobstersApi.kt
+++ b/lobsters-api/src/main/java/dev/msfjarvis/lobsters/api/LobstersApi.kt
@@ -1,10 +1,9 @@
 package dev.msfjarvis.lobsters.api
 
 import dev.msfjarvis.lobsters.model.LobstersPost
-import retrofit2.Call
 import retrofit2.http.GET
 
 interface LobstersApi {
   @GET("hottest.json")
-  fun getHottestPosts(): Call<List<dev.msfjarvis.lobsters.model.LobstersPost>>
+  suspend fun getHottestPosts(): List<LobstersPost>
 }
diff --git a/lobsters-api/src/test/java/dev/msfjarvis/lobsters/api/LobstersApiTest.kt b/lobsters-api/src/test/java/dev/msfjarvis/lobsters/api/LobstersApiTest.kt
index 2e0305b7..9e567ce9 100644
--- a/lobsters-api/src/test/java/dev/msfjarvis/lobsters/api/LobstersApiTest.kt
+++ b/lobsters-api/src/test/java/dev/msfjarvis/lobsters/api/LobstersApiTest.kt
@@ -1,18 +1,14 @@
 package dev.msfjarvis.lobsters.api
 
-import dev.msfjarvis.lobsters.model.LobstersPost
+import kotlinx.coroutines.runBlocking
 import okhttp3.mockwebserver.Dispatcher
 import okhttp3.mockwebserver.MockResponse
 import okhttp3.mockwebserver.MockWebServer
 import okhttp3.mockwebserver.RecordedRequest
 import org.junit.After
 import org.junit.Assert.assertEquals
-import org.junit.Assert.fail
 import org.junit.Before
 import org.junit.Test
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
 
 class LobstersApiTest {
   private val webServer = MockWebServer()
@@ -30,21 +26,9 @@ class LobstersApiTest {
   }
 
   @Test
-  fun `api gets correct number of items`() {
-    apiClient.getHottestPosts().enqueue(object : Callback<List<dev.msfjarvis.lobsters.model.LobstersPost>> {
-      override fun onResponse(
-        call: Call<List<dev.msfjarvis.lobsters.model.LobstersPost>>,
-        response: Response<List<dev.msfjarvis.lobsters.model.LobstersPost>>
-      ) {
-        val posts = response.body()
-        require(posts != null)
-        assertEquals(25, posts.size)
-      }
-
-      override fun onFailure(call: Call<List<dev.msfjarvis.lobsters.model.LobstersPost>>, t: Throwable) {
-        fail("Call cannot fail in tests")
-      }
-    })
+  fun `api gets correct number of items`() = runBlocking {
+    val posts = apiClient.getHottestPosts()
+    assertEquals(25, posts.size)
   }
 
   @After