diff --git a/src/__tests__/app.test.ts b/src/__tests__/app.test.ts
index 91ee90b..00fe552 100644
--- a/src/__tests__/app.test.ts
+++ b/src/__tests__/app.test.ts
@@ -127,7 +127,7 @@ describe('POST /v1/category', () => {
     })
 })
 
-describe('GET /v1/category', () => {
+describe('GET /v1/category/:id?', () => {
     it('returns status code 200 and the categories', async () => {
         const res = await request(app)
             .get('/v1/category')
@@ -139,16 +139,25 @@ describe('GET /v1/category', () => {
         expect(res.status).toEqual(200)
         expect(res.body.categories[0].name).toEqual('VueJS Composition API')
     })
+
+    it('returns status code 200 and the categories', async () => {
+        const res = await request(app)
+            .get(`/v1/category/${category_id}`)
+            .set('Content-Type', 'application/json')
+            .set('Cookie', jwtCookie as string)
+
+        expect(res.status).toEqual(200)
+        expect(res.body.categories[0].name).toEqual('VueJS Composition API')
+    })
 })
 
-describe('PUT /v1/category', () => {
+describe('PUT /v1/category/:id', () => {
     it('returns status code 200 and a success message', async () => {
         const res = await request(app)
-            .put('/v1/category')
+            .put(`/v1/category/${category_id}`)
             .set('Content-Type', 'application/json')
             .set('Cookie', jwtCookie as string)
             .send(JSON.stringify({
-                id: category_id,
                 name: 'VueJS v3 Composition API'
             }))
 
@@ -158,11 +167,10 @@ describe('PUT /v1/category', () => {
 
     it('returns status code 400 and an error message', async () => {
         const res = await request(app)
-            .put('/v1/category')
+            .put(`/v1/category/${23591}`)
             .set('Content-Type', 'application/json')
             .set('Cookie', jwtCookie as string)
             .send(JSON.stringify({
-                id: 2,
                 pouet: 'salut'
             }))
 
@@ -171,32 +179,16 @@ describe('PUT /v1/category', () => {
     })
 })
 
-describe('DELETE /v1/category', () => {
+describe('DELETE /v1/category/:id', () => {
     it('returns status code 200 and a success message', async () => {
         const res = await request(app)
-            .delete('/v1/category')
+            .delete(`/v1/category/${category_id}`)
             .set('Content-Type', 'application/json')
             .set('Cookie', jwtCookie as string)
-            .send(JSON.stringify({
-                id: category_id
-            }))
 
         expect(res.status).toEqual(200)
         expect(res.body).toHaveProperty('message')
     })
-
-    it('returns status code 400 and an error message', async () => {
-        const res = await request(app)
-            .delete('/v1/category')
-            .set('Content-Type', 'application/json')
-            .set('Cookie', jwtCookie as string)
-            .send(JSON.stringify({
-                blablabla: 'pouet'
-            }))
-
-        expect(res.status).toEqual(400)
-        expect(res.body).toHaveProperty('message')
-    })
 })
 
 describe('POST /v1/snippet', () => {
diff --git a/src/routers/category.ts b/src/routers/category.ts
index 6cc8f6c..9ab34bf 100644
--- a/src/routers/category.ts
+++ b/src/routers/category.ts
@@ -10,21 +10,25 @@ const categoryPostParser = z.object({
     name: z.string().max(50)
 }).required()
 
-const categoryDeleteParser = z.object({
-    id: z.number()
+const categoryUpdateParser = z.object({
+    name: z.string().max(50)
 }).required()
 
-const categoryUpdateParser = z.object({
-    id: z.number(),
-    name: z.string().max(50)
+const paramsIdParser = z.object({
+    id: z.coerce.number(),
 }).required()
 
 // TODO Ajouter pagination et queries de recherche
 const categoryGet: RequestHandler = async (req, res) => {
     let categories: Category[] | null = null
+    const whereClause: any = { user_id: req.body.userId }
+
+    if (req.params.id != undefined) {
+        whereClause.id = paramsIdParser.parse(req.params).id
+    }
 
     try {
-        categories = await prisma.category.findMany({ where: { user_id: req.body.userId } })
+        categories = await prisma.category.findMany({ where: whereClause })
     } catch (error: any) {
         res.status(400).json({ message: (error.issues ?? error) })
         return;
@@ -57,7 +61,7 @@ const categoryUpdate: RequestHandler = async (req, res) => {
         const categoryToUpdate = categoryUpdateParser.parse(req.body)
         updated = await prisma.category.updateMany({
             where: {
-                id: categoryToUpdate.id,
+                id: paramsIdParser.parse(req.params).id,
                 user_id: req.body.userId
             },
             data: {
@@ -76,10 +80,9 @@ const categoryDelete: RequestHandler = async (req, res) => {
     let deleted: Prisma.BatchPayload
 
     try {
-        const categoryToDel = categoryDeleteParser.parse(req.body)
         deleted = await prisma.category.deleteMany({
             where: {
-                id: categoryToDel.id,
+                id: paramsIdParser.parse(req.params).id,
                 user_id: req.body.userId
             }
         })
@@ -91,9 +94,9 @@ const categoryDelete: RequestHandler = async (req, res) => {
     res.json({ message: `${deleted.count} category / categories successfully deleted.` })
 }
 
-categoryRouter.get('/', userIdMiddleware, categoryGet)
+categoryRouter.get('/:id?', userIdMiddleware, categoryGet)
 categoryRouter.post('/', userIdMiddleware, categoryPost)
-categoryRouter.put('/', userIdMiddleware, categoryUpdate)
-categoryRouter.delete('/', userIdMiddleware, categoryDelete)
+categoryRouter.put('/:id', userIdMiddleware, categoryUpdate)
+categoryRouter.delete('/:id', userIdMiddleware, categoryDelete)
 
 export default categoryRouter