diff --git a/src/main/kotlin/fr/dcproject/component/vote/routes/PutVoteOnArticle.kt b/src/main/kotlin/fr/dcproject/component/vote/routes/PutVoteOnArticle.kt
index 8f45229..0b169e0 100644
--- a/src/main/kotlin/fr/dcproject/component/vote/routes/PutVoteOnArticle.kt
+++ b/src/main/kotlin/fr/dcproject/component/vote/routes/PutVoteOnArticle.kt
@@ -1,5 +1,6 @@
 package fr.dcproject.component.vote.routes
 
+import fr.dcproject.application.http.badRequestIfNotValid
 import fr.dcproject.common.security.assert
 import fr.dcproject.common.utils.receiveOrBadRequest
 import fr.dcproject.component.article.database.ArticleRef
@@ -10,6 +11,9 @@ import fr.dcproject.component.auth.mustBeAuth
 import fr.dcproject.component.vote.VoteAccessControl
 import fr.dcproject.component.vote.database.VoteArticleRepository
 import fr.dcproject.component.vote.database.VoteForUpdate
+import io.konform.validation.Validation
+import io.konform.validation.jsonschema.maximum
+import io.konform.validation.jsonschema.minimum
 import io.ktor.application.call
 import io.ktor.features.NotFoundException
 import io.ktor.http.HttpStatusCode
@@ -25,13 +29,22 @@ object PutVoteOnArticle {
     @Location("/articles/{article}/vote")
     class ArticleVoteRequest(article: UUID) {
         val article = ArticleRef(article)
-        data class Input(var note: Int)
+        data class Input(var note: Int) {
+            fun validate() = Validation<Input> {
+                Input::note {
+                    minimum(-1)
+                    maximum(1)
+                }
+            }.validate(this)
+        }
     }
 
     fun Route.putVoteOnArticle(repo: VoteArticleRepository, ac: VoteAccessControl, articleRepo: ArticleRepository) {
         put<ArticleVoteRequest> {
             mustBeAuth()
+
             val input = call.receiveOrBadRequest<ArticleVoteRequest.Input>()
+                .apply { validate().badRequestIfNotValid() }
             val article = articleRepo.findById(it.article.id) ?: throw NotFoundException("Article ${it.article.id} not found")
             val vote = VoteForUpdate(
                 target = article,
diff --git a/src/main/resources/openapi.yaml b/src/main/resources/openapi.yaml
index 76b7217..2c3293d 100644
--- a/src/main/resources/openapi.yaml
+++ b/src/main/resources/openapi.yaml
@@ -1312,6 +1312,12 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/VoteAggregation'
+        400:
+          description: BadReqest
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/400'
         401:
           $ref: '#/components/responses/401'
 
diff --git a/src/test/kotlin/integration/Vote routes.kt b/src/test/kotlin/integration/Vote routes.kt
index 6d15ce2..ef65a0b 100644
--- a/src/test/kotlin/integration/Vote routes.kt	
+++ b/src/test/kotlin/integration/Vote routes.kt	
@@ -1,8 +1,8 @@
 package integration
 
 import fr.dcproject.component.citizen.database.CitizenI.Name
-import integration.steps.`when`.Validate
 import integration.steps.`when`.Validate.ALL
+import integration.steps.`when`.Validate.REQUEST_BODY
 import integration.steps.`when`.Validate.REQUEST_PARAM
 import integration.steps.`when`.`When I send a GET request`
 import integration.steps.`when`.`When I send a PUT request`
@@ -18,32 +18,73 @@ import integration.steps.then.`And the response should contain`
 import integration.steps.then.`And the response should not be null`
 import integration.steps.then.`Then the response should be`
 import integration.steps.then.and
-import io.ktor.http.HttpStatusCode
+import io.ktor.http.HttpStatusCode.Companion.BadRequest
 import io.ktor.http.HttpStatusCode.Companion.Created
 import io.ktor.http.HttpStatusCode.Companion.OK
+import org.junit.jupiter.api.DynamicTest
 import org.junit.jupiter.api.Tag
 import org.junit.jupiter.api.Tags
 import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestFactory
 import org.junit.jupiter.api.TestInstance
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 @Tags(Tag("integration"), Tag("vote"))
 class `Vote routes` : BaseTest() {
-    @Test
-    fun `I can vote article`() {
+    @TestFactory
+    fun `I can vote article`(): List<DynamicTest> {
         withIntegrationApplication {
             `Given I have citizen`("Thalès", "Milet")
             `Given I have article`(id = "835c5101-ca39-4038-a4e6-da6ee62ca6d5")
-            `When I send a PUT request`("/articles/835c5101-ca39-4038-a4e6-da6ee62ca6d5/vote") {
-                `authenticated as`("Thalès", "Milet")
-                `with body`(
-                    """
+        }
+        return (-1..1).map { note ->
+            DynamicTest.dynamicTest("""I can vote article with note "$note"""") {
+                withIntegrationApplication {
+                    `When I send a PUT request`("/articles/835c5101-ca39-4038-a4e6-da6ee62ca6d5/vote") {
+                        `authenticated as`("Thalès", "Milet")
+                        `with body`(
+                            """
+                            {
+                              "note": $note
+                            }
+                            """
+                        )
+                    } `Then the response should be` Created
+                }
+            }
+        }
+    }
+
+    @TestFactory
+    @Tag("BadRequest")
+    fun `I cannot vote article with wrong request`(): List<DynamicTest> {
+        withIntegrationApplication {
+            `Given I have citizen`("Thalès", "Milet")
+            `Given I have article`(id = "835c5101-ca39-4038-a4e6-da6ee62ca6d5")
+        }
+
+        return listOf(-10, -2, +2, +10).map { note ->
+            DynamicTest.dynamicTest("""I can vote article with note "$note"""") {
+                withIntegrationApplication {
+                    `When I send a PUT request`(
+                        "/articles/835c5101-ca39-4038-a4e6-da6ee62ca6d5/vote",
+                        ALL - REQUEST_BODY
+                    ) {
+                        `authenticated as`("Thalès", "Milet")
+                        `with body`(
+                            """
                     {
-                      "note": 1
+                      "note": $note
                     }
                     """
-                )
-            } `Then the response should be` Created
+                        )
+                    } `Then the response should be` BadRequest and {
+                        `And the response should not be null`()
+                        `And the response should contain`("$.invalidParams[0].name", ".note")
+                        `And the response should contain`("$.invalidParams[0].reason", if (note > 0) "must be at most '1'" else "must be at least '-1'")
+                    }
+                }
+            }
         }
     }
 
@@ -91,7 +132,7 @@ class `Vote routes` : BaseTest() {
             `Given I have vote +1 on article`("7c9286db-470d-448c-aab1-3f0b072213b1", Name("Carl", "Gauss"))
             `When I send a GET request`("/citizens/c044823d-e778-4256-9016-b1334bf933d3/votes/articles?page=1&limit=60", ALL - REQUEST_PARAM) {
                 `authenticated as`("Carl", "Gauss")
-            } `Then the response should be` HttpStatusCode.BadRequest and {
+            } `Then the response should be` BadRequest and {
                 `And the response should not be null`()
                 `And the response should contain`("$.invalidParams[0].name", ".limit")
                 `And the response should contain`("$.invalidParams[0].reason", "must be at most '50'")