diff --git a/app/MindWork AI Studio/Provider/IProvider.cs b/app/MindWork AI Studio/Provider/IProvider.cs
index 153ebba..776d981 100644
--- a/app/MindWork AI Studio/Provider/IProvider.cs	
+++ b/app/MindWork AI Studio/Provider/IProvider.cs	
@@ -48,16 +48,18 @@ public interface IProvider
     /// </summary>
     /// <param name="jsRuntime">The JS runtime to access the Rust code.</param>
     /// <param name="settings">The settings manager to access the API key.</param>
+    /// <param name="apiKeyProvisional">The provisional API key to use. Useful when the user is adding a new provider. When null, the stored API key is used.</param>
     /// <param name="token">The cancellation token.</param>
     /// <returns>The list of text models.</returns>
-    public Task<IEnumerable<Model>> GetTextModels(IJSRuntime jsRuntime, SettingsManager settings, CancellationToken token = default);
-    
+    public Task<IEnumerable<Model>> GetTextModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default);
+
     /// <summary>
     /// Load all possible image models that can be used with this provider.
     /// </summary>
     /// <param name="jsRuntime">The JS runtime to access the Rust code.</param>
     /// <param name="settings">The settings manager to access the API key.</param>
+    /// <param name="apiKeyProvisional">The provisional API key to use. Useful when the user is adding a new provider. When null, the stored API key is used.</param>
     /// <param name="token">The cancellation token.</param>
     /// <returns>The list of image models.</returns>
-    public Task<IEnumerable<Model>> GetImageModels(IJSRuntime jsRuntime, SettingsManager settings, CancellationToken token = default);
+    public Task<IEnumerable<Model>> GetImageModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default);
 }
\ No newline at end of file
diff --git a/app/MindWork AI Studio/Provider/NoProvider.cs b/app/MindWork AI Studio/Provider/NoProvider.cs
index 5c0a9e5..b5b9b2f 100644
--- a/app/MindWork AI Studio/Provider/NoProvider.cs	
+++ b/app/MindWork AI Studio/Provider/NoProvider.cs	
@@ -13,9 +13,9 @@ public class NoProvider : IProvider
 
     public string InstanceName { get; set; } = "None";
 
-    public Task<IEnumerable<Model>> GetTextModels(IJSRuntime jsRuntime, SettingsManager settings, CancellationToken token = default) => Task.FromResult<IEnumerable<Model>>([]);
+    public Task<IEnumerable<Model>> GetTextModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default) => Task.FromResult<IEnumerable<Model>>([]);
 
-    public Task<IEnumerable<Model>> GetImageModels(IJSRuntime jsRuntime, SettingsManager settings, CancellationToken token = default) => Task.FromResult<IEnumerable<Model>>([]);
+    public Task<IEnumerable<Model>> GetImageModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default) => Task.FromResult<IEnumerable<Model>>([]);
 
     public async IAsyncEnumerable<string> StreamChatCompletion(IJSRuntime jsRuntime, SettingsManager settings, Model chatModel, ChatThread chatChatThread, [EnumeratorCancellation] CancellationToken token = default)
     {
diff --git a/app/MindWork AI Studio/Provider/OpenAI/ProviderOpenAI.cs b/app/MindWork AI Studio/Provider/OpenAI/ProviderOpenAI.cs
index f883a6e..33865b3 100644
--- a/app/MindWork AI Studio/Provider/OpenAI/ProviderOpenAI.cs	
+++ b/app/MindWork AI Studio/Provider/OpenAI/ProviderOpenAI.cs	
@@ -151,27 +151,36 @@ public sealed class ProviderOpenAI() : BaseProvider("https://api.openai.com/v1/"
     #pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
 
     /// <inheritdoc />
-    public Task<IEnumerable<Model>> GetTextModels(IJSRuntime jsRuntime, SettingsManager settings, CancellationToken token = default)
+    public Task<IEnumerable<Model>> GetTextModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default)
     {
-        return this.LoadModels(jsRuntime, settings, "gpt-", token);
+        return this.LoadModels(jsRuntime, settings, "gpt-", token, apiKeyProvisional);
     }
 
     /// <inheritdoc />
-    public Task<IEnumerable<Model>> GetImageModels(IJSRuntime jsRuntime, SettingsManager settings, CancellationToken token = default)
+    public Task<IEnumerable<Model>> GetImageModels(IJSRuntime jsRuntime, SettingsManager settings, string? apiKeyProvisional = null, CancellationToken token = default)
     {
-        return this.LoadModels(jsRuntime, settings, "dall-e-", token);
+        return this.LoadModels(jsRuntime, settings, "dall-e-", token, apiKeyProvisional);
     }
 
     #endregion
 
-    private async Task<IEnumerable<Model>> LoadModels(IJSRuntime jsRuntime, SettingsManager settings, string prefix, CancellationToken token)
+    private async Task<IEnumerable<Model>> LoadModels(IJSRuntime jsRuntime, SettingsManager settings, string prefix, CancellationToken token, string? apiKeyProvisional = null)
     {
-        var requestedSecret = await settings.GetAPIKey(jsRuntime, this);
-        if (!requestedSecret.Success)
+        var secretKey = apiKeyProvisional switch
+        {
+            not null => apiKeyProvisional,
+            _ => await settings.GetAPIKey(jsRuntime, this) switch
+            {
+                { Success: true } result => result.Secret,
+                _ => null,
+            }
+        };
+
+        if (secretKey is null)
             return [];
         
         var request = new HttpRequestMessage(HttpMethod.Get, "models");
-        request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", requestedSecret.Secret);
+        request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", secretKey);
 
         var response = await this.httpClient.SendAsync(request, token);
         if(!response.IsSuccessStatusCode)