diff --git a/Management/Features/Configuration/CoursePlanner.cs b/Management/Features/Configuration/CoursePlanner.cs
index 44544d4..d5e98a8 100644
--- a/Management/Features/Configuration/CoursePlanner.cs
+++ b/Management/Features/Configuration/CoursePlanner.cs
@@ -123,18 +123,39 @@ public class CoursePlanner
     });
 
     var modules = await Task.WhenAll(moduleTasks);
-    LocalCourse = LocalCourse with 
-    {
-      Modules = modules
-    };
+    LocalCourse = LocalCourse with { Modules = modules };
   }
 
   private async Task<LocalAssignment> ensureAssignmentInCanvas_returnUpdated(
     LocalAssignment localAssignment
   )
   {
-    // var canvasAssignment = await canvas.
-    return localAssignment;
+    if (
+      LocalCourse == null
+      || LocalCourse.CanvasId == null
+      || CanvasAssignments == null
+      || CanvasModules == null
+    )
+      throw new Exception(
+        "cannot create canvas assignment if local course is null or other values not set"
+      );
+    ulong canvasId = LocalCourse.CanvasId ?? throw new Exception("no canvas id to create course");
+    var canvasAssignment = await canvas.CreateAssignment(
+      courseId: canvasId,
+      name: localAssignment.name,
+      submissionTypes: localAssignment.submission_types,
+      description: localAssignment.description,
+      dueAt: localAssignment.due_at,
+      lockAt: localAssignment.lock_at,
+      pointsPossible: localAssignment.points_possible
+    );
+
+    Console.WriteLine(JsonSerializer.Serialize(canvasAssignment));
+    
+    return localAssignment with
+    {
+      canvasId = canvasAssignment.Id
+    };
   }
 
   public void Clear()
diff --git a/Management/Models/CanvasModels/Assignments/CanvasAssignment.cs b/Management/Models/CanvasModels/Assignments/CanvasAssignment.cs
index e2d4dbf..9dfa293 100644
--- a/Management/Models/CanvasModels/Assignments/CanvasAssignment.cs
+++ b/Management/Models/CanvasModels/Assignments/CanvasAssignment.cs
@@ -5,7 +5,6 @@ namespace CanvasModel.Assignments;
 
 public record CanvasAssignment
 (
-
   [property: JsonPropertyName("id")]
   ulong Id,
 
diff --git a/Management/Services/CanvasRequests/CanvasAssignmentCreationRequest.cs b/Management/Services/CanvasRequests/CanvasAssignmentCreationRequest.cs
new file mode 100644
index 0000000..1f37595
--- /dev/null
+++ b/Management/Services/CanvasRequests/CanvasAssignmentCreationRequest.cs
@@ -0,0 +1,9 @@
+public record CanvasAssignmentCreationRequest
+{
+  public string? name { get; set; }
+  public IEnumerable<string> submission_types { get; set; } = Enumerable.Empty<string>();
+  public string? description { get; set; }
+  public DateTime? lock_at { get; set; }
+  public DateTime? due_at { get; set; }
+  public int? points_possible { get; set; }
+}
diff --git a/Management/Services/CanvasService.cs b/Management/Services/CanvasService.cs
index ac6eb74..f989b8b 100644
--- a/Management/Services/CanvasService.cs
+++ b/Management/Services/CanvasService.cs
@@ -56,18 +56,42 @@ public class CanvasService : ICanvasService
 
   public async Task<IEnumerable<CanvasAssignment>> GetAssignments(ulong courseId)
   {
-    var url = $"courses/{courseId}/assignments ";
+    var url = $"courses/{courseId}/assignments";
     var request = new RestRequest(url);
     var assignmentResponse = await PaginatedRequest<IEnumerable<CanvasAssignment>>(request);
     return assignmentResponse.SelectMany(c => c);
   }
 
-  // public async Task<CanvasAssignment> CreateAssignment(
-
-  // )
-  // {
-    
-  // }
+  public async Task<CanvasAssignment> CreateAssignment(
+    ulong courseId,
+    string name,
+    IEnumerable<SubmissionType> submissionTypes,
+    string? description,
+    DateTime? dueAt,
+    DateTime? lockAt,
+    int? pointsPossible
+  )
+  {
+    System.Console.WriteLine($"creating assignment: {name}");
+    var url = $"courses/{courseId}/assignments";
+    var request = new RestRequest(url);
+    var body = new CanvasAssignmentCreationRequest()
+    {
+      name = name,
+      submission_types = submissionTypes.Select(t => t.ToString()),
+      description = description,
+      due_at = dueAt,
+      lock_at = lockAt,
+      points_possible = pointsPossible
+    };
+    request.AddHeader("Content-Type", "application/json");
+    var bodyObj = new { assignment = body };
+    request.AddBody(bodyObj);
+    var (canvasAssignment, response) = await webRequestor.PostAsync<CanvasAssignment>(request);
+    if (canvasAssignment == null)
+      throw new Exception("created canvas assignment was null");
+    return canvasAssignment;
+  }
 
   public async Task<IEnumerable<CanvasModule>> GetModules(ulong courseId)
   {
diff --git a/Management/Services/WebRequestor.cs b/Management/Services/WebRequestor.cs
index b29933c..3eb3c8d 100644
--- a/Management/Services/WebRequestor.cs
+++ b/Management/Services/WebRequestor.cs
@@ -15,7 +15,6 @@ public class WebRequestor : IWebRequestor
     client.AddDefaultHeader("Authorization", $"Bearer {token}");
   }
 
-
   public async Task<(T[]?, RestResponse)> GetManyAsync<T>(RestRequest request)
   {
     var response = await client.ExecuteGetAsync(request);
@@ -55,19 +54,29 @@ public class WebRequestor : IWebRequestor
       System.Console.WriteLine(response.ResponseUri);
       System.Console.WriteLine(response.ErrorMessage);
       System.Console.WriteLine("error with response");
-      throw new Exception("error with response");
+      // Console.WriteLine(JsonSerializer.Serialize(response));
+      Console.WriteLine(JsonSerializer.Serialize(response.Request?.Parameters));
+      throw new Exception($"error with response to {response.ResponseUri} {response.StatusCode}");
     }
     try
     {
-      var data = JsonSerializer.Deserialize<T>(response.Content!);
-
-      if (data == null)
+      try
       {
-        System.Console.WriteLine(response.Content);
-        System.Console.WriteLine(response.ResponseUri);
-        System.Console.WriteLine("could not parse response, got empty object");
+        var data = JsonSerializer.Deserialize<T>(response.Content!);
+
+        if (data == null)
+        {
+          System.Console.WriteLine(response.Content);
+          System.Console.WriteLine(response.ResponseUri);
+          System.Console.WriteLine("could not parse response, got empty object");
+        }
+        return data;
+      }
+      catch (System.NotSupportedException exception)
+      {
+        Console.WriteLine(response.Content);
+        throw exception;
       }
-      return data;
     }
     catch (JsonException ex)
     {
diff --git a/requests/assignment.http b/requests/assignment.http
index 999e099..3d3c07d 100644
--- a/requests/assignment.http
+++ b/requests/assignment.http
@@ -11,9 +11,15 @@ Authorization: Bearer {{$dotenv CANVAS_TOKEN}}
 
 ###
 POST https://snow.instructure.com/api/v1/courses/872095/assignments
+Content-Type: application/json
 Authorization: Bearer {{$dotenv CANVAS_TOKEN}}
 
-{"assignment":{"name:":"New Assignment","description:":"This is a new assignment"}}
+{
+  "assignment": {
+    "name:": "New Assignment",
+    "description:": "This is a new assignment"
+  }
+}
 
 ###
 POST https://snow.instructure.com/api/v1/courses/705168/assignments