diff --git a/src/main/kotlin/fr/dcproject/entity/Comment.kt b/src/main/kotlin/fr/dcproject/entity/Comment.kt
index 6bfddfa..5ac4f2d 100644
--- a/src/main/kotlin/fr/dcproject/entity/Comment.kt
+++ b/src/main/kotlin/fr/dcproject/entity/Comment.kt
@@ -7,12 +7,26 @@ open class Comment <T : UuidEntity> (
     id: UUID = UUID.randomUUID(),
     createdBy: Citizen,
     target: T,
+    override var targetReference: String = target::class.simpleName!!.toLowerCase(),
     var content: String,
-    var responses: List<Comment<T>>? = null,
+    val responses: List<Comment<T>>? = null,
     var parent: Comment<T>? = null,
-    var parentsIds: List<UUID>? = null,
+    val parentsIds: List<UUID>? = null,
     val childrenCount: Int? = null
 ) : Extra<T>(id, createdBy, target),
     EntityUpdatedAt by EntityUpdatedAtImp(),
     EntityDeletedAt by EntityDeletedAtImp(),
     Votable by VotableImp()
+{
+    constructor(
+        createdBy: Citizen,
+        parent: Comment<T>,
+        content: String
+    ) : this(
+        createdBy = createdBy,
+        parent = parent,
+        target = parent.target,
+        targetReference = parent.targetReference,
+        content = content
+    )
+}
diff --git a/src/main/kotlin/fr/dcproject/repository/Comment.kt b/src/main/kotlin/fr/dcproject/repository/Comment.kt
index 98b8e98..0149f27 100644
--- a/src/main/kotlin/fr/dcproject/repository/Comment.kt
+++ b/src/main/kotlin/fr/dcproject/repository/Comment.kt
@@ -62,11 +62,10 @@ abstract class Comment <T : UuidEntity>(override var requester: Requester) : Rep
     }
 
     fun comment(comment: CommentEntity<T>) {
-        val reference = comment.target::class.simpleName!!.toLowerCase()
         requester
             .getFunction("comment")
             .sendQuery(
-                "reference" to reference,
+                "reference" to comment.targetReference,
                 "resource" to comment
             )
     }
diff --git a/src/main/kotlin/fr/dcproject/routes/Comment.kt b/src/main/kotlin/fr/dcproject/routes/Comment.kt
index b917a77..e866e7e 100644
--- a/src/main/kotlin/fr/dcproject/routes/Comment.kt
+++ b/src/main/kotlin/fr/dcproject/routes/Comment.kt
@@ -1,17 +1,19 @@
 package fr.dcproject.routes
 
-import fr.dcproject.security.voter.CommentVoter.Action.UPDATE
-import fr.dcproject.security.voter.CommentVoter.Action.VIEW
+import fr.dcproject.citizen
+import fr.dcproject.entity.Comment
+import fr.dcproject.routes.CommentPaths.CreateCommentRequest.Content
+import fr.dcproject.security.voter.CommentVoter.Action.*
 import fr.dcproject.security.voter.assertCan
 import io.ktor.application.call
+import io.ktor.features.NotFoundException
 import io.ktor.http.HttpStatusCode
-import io.ktor.locations.KtorExperimentalLocationsAPI
-import io.ktor.locations.Location
-import io.ktor.locations.get
-import io.ktor.locations.put
+import io.ktor.locations.*
+import io.ktor.request.receive
 import io.ktor.request.receiveText
 import io.ktor.response.respond
 import io.ktor.routing.Route
+import io.ktor.util.KtorExperimentalAPI
 import java.util.*
 import fr.dcproject.repository.CommentGeneric as CommentRepository
 
@@ -30,8 +32,14 @@ object CommentPaths {
         val page: Int = if (page < 1) 1 else page
         val limit: Int = if (limit > 50) 50 else if (limit < 1) 1 else limit
     }
+
+    @Location("/comments/{comment}/children")
+    class CreateCommentRequest(val comment: UUID) {
+        class Content(val content: String)
+    }
 }
 
+@KtorExperimentalAPI
 @KtorExperimentalLocationsAPI
 fun Route.comment(repo: CommentRepository) {
     get<CommentPaths.CommentRequest> {
@@ -54,6 +62,21 @@ fun Route.comment(repo: CommentRepository) {
         call.respond(HttpStatusCode.OK, comments)
     }
 
+    post<CommentPaths.CreateCommentRequest> {
+        val parent = repo.findById(it.comment) ?: throw NotFoundException("Comment not found")
+        val newComment = Comment(
+            content = call.receive<Content>().content,
+            createdBy = citizen,
+            parent = parent
+        )
+
+        assertCan(CREATE, newComment)
+        repo.comment(newComment)
+
+
+        call.respond(HttpStatusCode.Created, newComment)
+    }
+
     put<CommentPaths.CommentRequest> {
         val comment = repo.findById(it.comment)!!
         assertCan(UPDATE, comment)
diff --git a/src/main/resources/openApi.yaml b/src/main/resources/openApi.yaml
index 1e97360..61e7d16 100644
--- a/src/main/resources/openApi.yaml
+++ b/src/main/resources/openApi.yaml
@@ -348,6 +348,7 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/ConstitutionResponse'
+
   /comments/{comment}:
     parameters:
       - $ref: '#/components/parameters/comment'
@@ -382,7 +383,6 @@ paths:
                 $ref: '#/components/schemas/CommentResponse'
         401:
           $ref: '#/components/responses/401'
-
   /comments/{comment}/children:
     parameters:
       - $ref: '#/components/parameters/comment'
@@ -404,6 +404,35 @@ paths:
                         type: array
                         items:
                           $ref: '#/components/schemas/CommentResponse'
+    post:
+      security:
+        - JWTAuth: []
+      summary: Create Comment on other comment
+      tags:
+        - comment
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/CommentRequest'
+      responses:
+        201:
+          description: Return the created Comment
+          content:
+            application/json:
+              schema:
+                allOf:
+                  - type: object
+                    properties:
+                      result:
+                        type: array
+                        items:
+                          $ref: '#/components/schemas/CommentResponse'
+        404:
+          description: Comment not found
+        401:
+          $ref: '#/components/responses/401'
 
   /articles/{article}/comments:
     parameters:
@@ -706,7 +735,7 @@ components:
       name: search
       in: query
       description: A text to seach
-      example: John Doe
+      example: content50
       required: false
       schema:
         type: string
@@ -1086,7 +1115,6 @@ components:
               required: false
               allOf:
                 - $ref: '#/components/schemas/UUID'
-                - $ref: '#/components/schemas/UUID'
 
     FollowBase:
       allOf: