diff --git a/apps/backend/controllers/djs.controller.ts b/apps/backend/controllers/djs.controller.ts
index 1e160cf..d179fc7 100644
--- a/apps/backend/controllers/djs.controller.ts
+++ b/apps/backend/controllers/djs.controller.ts
@@ -21,7 +21,7 @@ export const addToBin: RequestHandler<object, unknown, binBody> = async (req, re
     };
     try {
       const added_bin_item = await DJService.addToBin(bin_entry);
-      res.status(200).json(added_bin_item);
+      res.status(201).json(added_bin_item);
     } catch (e) {
       console.error('Server error: Failed to insert into bin');
       console.error(e);
diff --git a/apps/backend/controllers/flowsheet.controller.ts b/apps/backend/controllers/flowsheet.controller.ts
index 9ac09f2..a8c933c 100644
--- a/apps/backend/controllers/flowsheet.controller.ts
+++ b/apps/backend/controllers/flowsheet.controller.ts
@@ -206,7 +206,7 @@ export const addEntry: RequestHandler = async (req: Request<object, object, FSEn
               }).catch((err) => console.error('[Flowsheet] Metadata fetch failed:', err));
             }
 
-            res.status(200).json(completedEntry);
+            res.status(201).json(completedEntry);
           } else if (
             body.album_title === undefined ||
             body.artist_name === undefined ||
@@ -234,7 +234,7 @@ export const addEntry: RequestHandler = async (req: Request<object, object, FSEn
               }).catch((err) => console.error('[Flowsheet] Metadata fetch failed:', err));
             }
 
-            res.status(200).json(completedEntry);
+            res.status(201).json(completedEntry);
           }
         } catch (e) {
           console.error('Error: Failed to add track to flowsheet');
@@ -253,7 +253,7 @@ export const addEntry: RequestHandler = async (req: Request<object, object, FSEn
       };
       try {
         const completedEntry: FSEntry = await flowsheet_service.addTrack(fsEntry);
-        res.status(200).json(completedEntry);
+        res.status(201).json(completedEntry);
       } catch (e) {
         console.error('Error: Failed to add message to flowsheet');
         console.error(e);
diff --git a/apps/backend/controllers/library.controller.ts b/apps/backend/controllers/library.controller.ts
index 5af246c..8ae80f3 100644
--- a/apps/backend/controllers/library.controller.ts
+++ b/apps/backend/controllers/library.controller.ts
@@ -67,7 +67,7 @@ export const addAlbum: RequestHandler = async (req: Request<object, object, NewA
         };
 
         const inserted_album: Album = await libraryService.insertAlbum(new_album);
-        res.status(200).json(inserted_album);
+        res.status(201).json(inserted_album);
       } catch (e) {
         console.error('Error: Could not insert new album');
         console.error(e);
@@ -155,7 +155,7 @@ export const addArtist: RequestHandler = async (req: Request<object, object, New
 
       const response: Artist = await libraryService.insertArtist(new_artist);
       await libraryService.insertArtistGenreCrossreference(response.id, body.genre_id, body.code_number);
-      res.status(200);
+      res.status(201);
       res.json({
         ...response,
         code_number: body.code_number,
@@ -221,7 +221,7 @@ export const addRotation: RequestHandler<object, unknown, NewRotationRelease> =
   } else {
     try {
       const rotationRelease: RotationRelease = await libraryService.addToRotation(req.body);
-      res.status(200).json(rotationRelease);
+      res.status(201).json(rotationRelease);
     } catch (e) {
       console.error(e);
       next(e);
@@ -279,7 +279,7 @@ export const addFormat: RequestHandler = async (req, res, next) => {
       };
 
       const insertion = await libraryService.insertFormat(newFormat);
-      res.status(200).json(insertion);
+      res.status(201).json(insertion);
     } catch (e) {
       console.error('Failed to add new format');
       console.error(e);
@@ -309,7 +309,7 @@ export const addGenre: RequestHandler = async (req, res, next) => {
 
       const insertion = await libraryService.insertGenre(newGenre);
 
-      res.status(200).json(insertion);
+      res.status(201).json(insertion);
     } catch (e) {
       console.error('Failed to add new genre');
       console.error(e);
diff --git a/apps/backend/controllers/schedule.controller.ts b/apps/backend/controllers/schedule.controller.ts
index 48b4153..db6aa43 100644
--- a/apps/backend/controllers/schedule.controller.ts
+++ b/apps/backend/controllers/schedule.controller.ts
@@ -17,7 +17,7 @@ export const addToSchedule: RequestHandler = async (req: Request<object, object,
   const { body } = req;
   try {
     const response = await ScheduleService.addToSchedule(body);
-    res.status(200).json(response);
+    res.status(201).json(response);
   } catch (e) {
     console.error('Error adding to schedule');
     console.error(e);
diff --git a/tests/integration/djs.spec.js b/tests/integration/djs.spec.js
index 46e0cc3..c1e0800 100644
--- a/tests/integration/djs.spec.js
+++ b/tests/integration/djs.spec.js
@@ -52,7 +52,7 @@ describe('DJ Bin', () => {
           dj_id: global.primary_dj_id,
           album_id: 1,
         })
-        .expect(200);
+        .expect(201);
 
       expectFields(res.body, 'album_id', 'dj_id');
       expect(res.body.album_id).toBe(1);
@@ -67,7 +67,7 @@ describe('DJ Bin', () => {
           album_id: 1,
           track_title: 'Carry the Zero',
         })
-        .expect(200);
+        .expect(201);
 
       expectFields(res.body, 'album_id', 'track_title');
       expect(res.body.album_id).toBe(1);
diff --git a/tests/integration/flowsheet.spec.js b/tests/integration/flowsheet.spec.js
index 5cda171..bd34b8e 100644
--- a/tests/integration/flowsheet.spec.js
+++ b/tests/integration/flowsheet.spec.js
@@ -167,7 +167,7 @@ describe('Add to Flowsheet', () => {
         track_title: 'Carry the Zero',
         // record_label: 'Warner Bros',
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body).toBeDefined();
     expect(res.body.album_title).toEqual('Keep it Like a Secret');
@@ -182,7 +182,7 @@ describe('Add to Flowsheet', () => {
         track_title: 'Carry the Zero',
         rotation_id: 1,
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body).toBeDefined();
     expect(res.body.album_title).toEqual('Keep it Like a Secret');
@@ -197,7 +197,7 @@ describe('Add to Flowsheet', () => {
         track_title: 'Carry the Zero',
         record_label: 'Warner Bros',
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body.album_title).toEqual('Keep it Like a Secret');
     expect(res.body.track_title).toEqual('Carry the Zero');
@@ -213,7 +213,7 @@ describe('Add to Flowsheet', () => {
         track_title: 'Carry the Zero',
         request_flag: true,
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body).toBeDefined();
     expect(res.body.album_title).toEqual('Keep it Like a Secret');
@@ -229,7 +229,7 @@ describe('Add to Flowsheet', () => {
         album_title: 'Keep it Like a Secret',
         track_title: 'Carry the Zero',
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body).toBeDefined();
     expect(res.body.album_title).toEqual('Keep it Like a Secret');
@@ -246,7 +246,7 @@ describe('Add to Flowsheet', () => {
         track_title: 'Carry the Zero',
         record_label: 'Warner Bros',
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body).toBeDefined();
     expect(res.body.album_title).toEqual('Keep it Like a Secret');
@@ -264,7 +264,7 @@ describe('Add to Flowsheet', () => {
         track_title: 'Carry the Zero',
         request_flag: true,
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body).toBeDefined();
     expect(res.body.album_title).toEqual('Keep it Like a Secret');
@@ -278,7 +278,7 @@ describe('Add to Flowsheet', () => {
       .send({
         message: 'Test Message',
       })
-      .expect(200);
+      .expect(201);
 
     expect(res.body).toBeDefined();
     expect(res.body.message).toEqual('Test Message');
@@ -492,7 +492,7 @@ describe('Retrieve Now Playing', () => {
         album_id: 1, //Built to Spill - Keep it Like a Secret
         track_title: 'Carry the Zero',
       })
-      .expect(200);
+      .expect(201);
   });
 
   afterEach(async () => {
@@ -515,7 +515,7 @@ describe('Retrieve Now Playing', () => {
         album_id: 2, //Ravyn Lenae - Crush
         track_title: 'Venom',
       })
-      .expect(200);
+      .expect(201);
 
     res = await request.get('/flowsheet/latest').expect(200);
     expect(res.body).toBeDefined();
@@ -537,7 +537,7 @@ describe('Shift Flowsheet Entries', () => {
         album_id: 1, //Built to Spill - Keep it Like a Secret
         track_title: 'Carry the Zero',
       })
-      .expect(200);
+      .expect(201);
 
     await request
       .post('/flowsheet')
@@ -546,7 +546,7 @@ describe('Shift Flowsheet Entries', () => {
         album_id: 2, //Ravyn Lenae - Crush
         track_title: 'Venom',
       })
-      .expect(200);
+      .expect(201);
 
     await request
       .post('/flowsheet')
@@ -555,7 +555,7 @@ describe('Shift Flowsheet Entries', () => {
         album_id: 3, //Jockstrap - I Love You Jennifer B
         track_title: 'Debra',
       })
-      .expect(200);
+      .expect(201);
   });
 
   afterEach(async () => {
@@ -700,7 +700,7 @@ describe('Retrieve Playlist Object', () => {
         album_id: 3, //Jockstrap - I Love You Jennifer B
         track_title: 'Debra',
       })
-      .expect(200);
+      .expect(201);
 
     await fls_util.leave_show(global.primary_dj_id, global.access_token);
   });
@@ -771,7 +771,7 @@ describe('V1 API - entry_type field', () => {
         album_id: 1,
         track_title: 'Carry the Zero',
       })
-      .expect(200);
+      .expect(201);
 
     // POST response includes entry_type
     expect(addRes.body.entry_type).toBe('track');
diff --git a/tests/integration/library.spec.js b/tests/integration/library.spec.js
index 6dd4851..9b95ec7 100644
--- a/tests/integration/library.spec.js
+++ b/tests/integration/library.spec.js
@@ -87,7 +87,7 @@ describe('Library Catalog', () => {
           genre_id: 1,
           format_id: 1,
         })
-        .expect(200);
+        .expect(201);
 
       expectFields(res.body, 'id', 'album_title');
       expect(res.body.album_title).toContain('Test Album');
@@ -204,7 +204,7 @@ describe('Library Rotation', () => {
           album_id: 2,
           rotation_bin: 'M',
         })
-        .expect(200);
+        .expect(201);
 
       expectFields(res.body, 'id', 'album_id', 'rotation_bin');
       expect(res.body.album_id).toBe(2);
@@ -323,7 +323,7 @@ describe('Library Artists', () => {
           genre_id: 1,
           code_number: 1,
         })
-        .expect(200);
+        .expect(201);
 
       expectFields(res.body, 'id', 'artist_name', 'alphabetical_name', 'code_letters', 'code_number');
       expect(res.body.artist_name).toContain('Test Artist');
@@ -394,7 +394,7 @@ describe('Library Artists', () => {
           genre_id: 1,
           code_number: 1,
         })
-        .expect(200);
+        .expect(201);
 
       expect(res.body.alphabetical_name).toBe(`Band ${uniqueSuffix}, The`);
     });
@@ -448,7 +448,7 @@ describe('Library Formats', () => {
         .send({
           name: `Test Format ${uniqueSuffix}`,
         })
-        .expect(200);
+        .expect(201);
 
       expectFields(res.body, 'id', 'format_name');
       expect(res.body.format_name).toContain('Test Format');
@@ -495,7 +495,7 @@ describe('Library Genres', () => {
           name: `Test Genre ${uniqueSuffix}`,
           description: 'A test genre for integration testing',
         })
-        .expect(200);
+        .expect(201);
 
       expectFields(res.body, 'id', 'genre_name');
       expect(res.body.genre_name).toContain('Test Genre');
diff --git a/tests/integration/metadata.spec.js b/tests/integration/metadata.spec.js
index f204cee..dbadd98 100644
--- a/tests/integration/metadata.spec.js
+++ b/tests/integration/metadata.spec.js
@@ -34,7 +34,7 @@ describe('Metadata Fields in Flowsheet Response', () => {
         album_id: 4, // Sufjan Stevens - Illinois
         track_title: 'Chicago',
       })
-      .expect(200);
+      .expect(201);
 
     // Get the flowsheet entries
     const getRes = await request.get('/flowsheet').query({ limit: 5 }).send().expect(200);
@@ -65,7 +65,7 @@ describe('Metadata Fields in Flowsheet Response', () => {
         album_id: 5, // Kendrick Lamar - To Pimp a Butterfly
         track_title: 'Alright',
       })
-      .expect(200);
+      .expect(201);
 
     const res = await request.get('/flowsheet/latest').expect(200);
 
@@ -97,7 +97,7 @@ describe('Fire-and-Forget Metadata Fetch', () => {
         album_id: 4, // Sufjan Stevens - Illinois
         track_title: 'Casimir Pulaski Day',
       })
-      .expect(200);
+      .expect(201);
 
     // Response should return immediately with the entry
     expect(addRes.body.id).toBeDefined();
@@ -124,7 +124,7 @@ describe('Fire-and-Forget Metadata Fetch', () => {
         album_title: 'OK Computer',
         track_title: 'Paranoid Android',
       })
-      .expect(200);
+      .expect(201);
 
     // Response should return immediately
     expect(addRes.body.id).toBeDefined();
@@ -145,7 +145,7 @@ describe('Fire-and-Forget Metadata Fetch', () => {
       .send({
         message: 'PSA: Station ID at the top of the hour',
       })
-      .expect(200);
+      .expect(201);
 
     const entryId = addRes.body.id;
 
@@ -183,7 +183,7 @@ describe('Flowsheet CRUD with Metadata', () => {
         album_id: 5,
         track_title: 'CRUD Test Track',
       })
-      .expect(200);
+      .expect(201);
 
     // Get entries - should include new entry
     const res = await request.get('/flowsheet').query({ limit: 10 }).send().expect(200);
@@ -201,7 +201,7 @@ describe('Flowsheet CRUD with Metadata', () => {
         album_id: 6,
         track_title: 'Delete Test Track',
       })
-      .expect(200);
+      .expect(201);
 
     const entryId = addRes.body.id;
 
@@ -230,7 +230,7 @@ describe('Flowsheet CRUD with Metadata', () => {
         album_id: 4,
         track_title: 'Update Test Original',
       })
-      .expect(200);
+      .expect(201);
 
     const entryId = addRes.body.id;
 
@@ -279,7 +279,7 @@ describe('Metadata with Rotation Entries', () => {
         track_title: 'Rotation Test Track',
         rotation_id: 2,
       })
-      .expect(200);
+      .expect(201);
 
     // Get the entry
     const getRes = await request.get('/flowsheet').query({ limit: 5 }).send().expect(200);
@@ -316,7 +316,7 @@ describe('Flowsheet Cache Behavior', () => {
         album_id: 4,
         track_title: 'Cache Consistency Test',
       })
-      .expect(200);
+      .expect(201);
 
     // Query multiple times - should return consistent results
     const res1 = await request.get('/flowsheet').query({ limit: 10 }).send().expect(200);
@@ -339,7 +339,7 @@ describe('Flowsheet Cache Behavior', () => {
         album_id: 5,
         track_title: 'Cache Invalidation Test Add',
       })
-      .expect(200);
+      .expect(201);
 
     // Query - should include the new entry (proves cache was invalidated)
     const afterRes = await request.get('/flowsheet').query({ limit: 50 }).send().expect(200);
@@ -357,7 +357,7 @@ describe('Flowsheet Cache Behavior', () => {
         album_id: 4,
         track_title: 'Cache Invalidation Test Delete',
       })
-      .expect(200);
+      .expect(201);
 
     const entryId = addRes.body.id;
 
@@ -386,7 +386,7 @@ describe('Flowsheet Cache Behavior', () => {
         album_id: 4,
         track_title: 'Cache Update Original',
       })
-      .expect(200);
+      .expect(201);
 
     const entryId = addRes.body.id;
 
@@ -440,7 +440,7 @@ describe('Conditional GET (304 Not Modified)', () => {
           album_id: 4,
           track_title: 'Last-Modified Header Test',
         })
-        .expect(200);
+        .expect(201);
 
       const res = await request.get('/flowsheet/latest').expect(200);
 
@@ -479,7 +479,7 @@ describe('Conditional GET (304 Not Modified)', () => {
           album_id: 4,
           track_title: 'Modification Test Track',
         })
-        .expect(200);
+        .expect(201);
 
       // Request with old If-Modified-Since should return 200 with new data
       const updatedRes = await request
@@ -504,7 +504,7 @@ describe('Conditional GET (304 Not Modified)', () => {
           album_id: 5,
           track_title: 'Latest 304 Test',
         })
-        .expect(200);
+        .expect(201);
 
       // First request to get timestamp
       const initialRes = await request.get('/flowsheet/latest').expect(200);
@@ -551,7 +551,7 @@ describe('Conditional GET (304 Not Modified)', () => {
           album_id: 4,
           track_title: 'Since Query Param Test',
         })
-        .expect(200);
+        .expect(201);
 
       // Request with old since param should return 200 with new data
       const updatedRes = await request.get('/flowsheet').query({ limit: 10, since: lastModified }).send().expect(200);
@@ -578,7 +578,7 @@ describe('Conditional GET (304 Not Modified)', () => {
           album_id: 4,
           track_title: 'Precedence Test Track',
         })
-        .expect(200);
+        .expect(201);
 
       // Get the new Last-Modified
       const updatedRes = await request.get('/flowsheet').query({ limit: 10 }).send().expect(200);
@@ -603,7 +603,7 @@ describe('Conditional GET (304 Not Modified)', () => {
           album_id: 5,
           track_title: 'Latest Since Test',
         })
-        .expect(200);
+        .expect(201);
 
       // First request to get timestamp
       const initialRes = await request.get('/flowsheet/latest').expect(200);
diff --git a/tests/integration/schedule.spec.js b/tests/integration/schedule.spec.js
index f3c219a..0ab40dd 100644
--- a/tests/integration/schedule.spec.js
+++ b/tests/integration/schedule.spec.js
@@ -51,7 +51,7 @@ describe('Schedule', () => {
         show_duration: 8,
       };
 
-      const res = await request.post('/schedule').send(newShift).expect(200);
+      const res = await request.post('/schedule').send(newShift).expect(201);
 
       expectFields(res.body, 'id', 'day', 'start_time', 'show_duration');
       expect(res.body.day).toBe(0);
@@ -71,7 +71,7 @@ describe('Schedule', () => {
         specialty_id: null,
       };
 
-      const res = await request.post('/schedule').send(newShift).expect(200);
+      const res = await request.post('/schedule').send(newShift).expect(201);
 
       expect(res.body.day).toBe(2);
 
@@ -96,7 +96,7 @@ describe('Schedule', () => {
           show_duration: 4,
         };
 
-        const res = await request.post('/schedule').send(newShift).expect(200);
+        const res = await request.post('/schedule').send(newShift).expect(201);
 
         expect(res.body.day).toBe(day);
 
@@ -113,7 +113,7 @@ describe('Schedule', () => {
         show_duration: 2,
       };
 
-      const res = await request.post('/schedule').send(newShift).expect(200);
+      const res = await request.post('/schedule').send(newShift).expect(201);
 
       expect(res.body.start_time).toBe('08:30:00');
 
@@ -132,7 +132,7 @@ describe('Schedule', () => {
         show_duration: 4,
       };
 
-      const postRes = await request.post('/schedule').send(newShift).expect(200);
+      const postRes = await request.post('/schedule').send(newShift).expect(201);
 
       if (postRes.body.id) {
         createdScheduleIds.push(postRes.body.id);
diff --git a/tests/unit/controllers/create-status-codes.test.ts b/tests/unit/controllers/create-status-codes.test.ts
new file mode 100644
index 0000000..12ded7f
--- /dev/null
+++ b/tests/unit/controllers/create-status-codes.test.ts
@@ -0,0 +1,60 @@
+import { Request, Response, NextFunction } from 'express';
+
+jest.mock('../../../apps/backend/services/djs.service');
+jest.mock('../../../apps/backend/services/schedule.service');
+
+import * as DJService from '../../../apps/backend/services/djs.service';
+import * as ScheduleService from '../../../apps/backend/services/schedule.service';
+import { addToBin } from '../../../apps/backend/controllers/djs.controller';
+import { addToSchedule } from '../../../apps/backend/controllers/schedule.controller';
+
+function mockReqResNext(body: Record<string, unknown> = {}) {
+  const req = { body } as unknown as Request;
+  const statusMock = jest.fn().mockReturnThis();
+  const jsonMock = jest.fn().mockReturnThis();
+  const sendMock = jest.fn().mockReturnThis();
+  const res = {
+    status: statusMock,
+    json: jsonMock,
+    send: sendMock,
+  } as unknown as Response;
+  const next = jest.fn() as unknown as NextFunction;
+  return { req, res, next, statusMock, jsonMock, sendMock };
+}
+
+describe('create endpoints return 201', () => {
+  describe('addToBin', () => {
+    it('should return 201 when a bin entry is created', async () => {
+      const created = { id: 1, dj_id: 'dj-1', album_id: 10, track_title: null };
+      (DJService.addToBin as jest.Mock).mockResolvedValue(created);
+
+      const { req, res, next, statusMock, jsonMock } = mockReqResNext({
+        dj_id: 'dj-1',
+        album_id: 10,
+      });
+
+      await addToBin(req, res, next);
+
+      expect(statusMock).toHaveBeenCalledWith(201);
+      expect(jsonMock).toHaveBeenCalledWith(created);
+    });
+  });
+
+  describe('addToSchedule', () => {
+    it('should return 201 when a schedule entry is created', async () => {
+      const created = { id: 1, day: 'Monday', start_time: '10:00', end_time: '12:00' };
+      (ScheduleService.addToSchedule as jest.Mock).mockResolvedValue(created);
+
+      const { req, res, next, statusMock, jsonMock } = mockReqResNext({
+        day: 'Monday',
+        start_time: '10:00',
+        end_time: '12:00',
+      });
+
+      await addToSchedule(req, res, next);
+
+      expect(statusMock).toHaveBeenCalledWith(201);
+      expect(jsonMock).toHaveBeenCalledWith(created);
+    });
+  });
+});