diff --git a/OwnChar/Api/OwnCharApiClient.cs b/OwnChar/Api/OwnCharApiClient.cs
index 3d4c51d..aa851fb 100644
--- a/OwnChar/Api/OwnCharApiClient.cs
+++ b/OwnChar/Api/OwnCharApiClient.cs
@@ -14,14 +14,16 @@ public class OwnCharApiClient
 
     internal string? AuthSecret { get; set; } = null;
     public bool IsLoggedIn => AuthSecret != null;
+    public string ApiUrl { get; }
 
     public LoginApiClient Auth { get; }
     public UsersApiClient Users { get; }
     public CharactersApiClient Characters { get; }
     public GroupsApiClient Groups { get; }
 
-    public OwnCharApiClient()
+    public OwnCharApiClient(string apiUrl)
     {
+        this.ApiUrl = apiUrl;
         Auth = GetClient<LoginApiClient>();
         Users = GetClient<UsersApiClient>();
         Characters = GetClient<CharactersApiClient>();
@@ -55,8 +57,9 @@ public class OwnCharApiClient
     {
         request.AuthSecret = AuthSecret;
 
-        var content = new StringContent(JsonHelpers.SerializeRequest(request)!, MediaTypeHeaderValue.Parse("application/json"));
-        var res = await httpClient.PostAsync(requestUrl, content);
+        var fullRequestUrl = ApiUrl + requestUrl;
+        var content = new StringContent(JsonHelpers.SerializeRequest(request)!, null, "application/json");
+        var res = await httpClient.PostAsync(fullRequestUrl, content);
 
         if (res.IsSuccessStatusCode)
             return JsonHelpers.DeserializeResponse<TResponse>(await res.Content.ReadAsStringAsync());