diff --git a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/controller/AlertResource.java b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/controller/AlertResource.java
index 2a8f783..f0adb06 100644
--- a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/controller/AlertResource.java
+++ b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/controller/AlertResource.java
@@ -2,6 +2,7 @@
 
 import fr.etu.polytech.dto.AlertDTO;
 import fr.etu.polytech.entity.Alert;
+import fr.etu.polytech.entity.Severity;
 import fr.etu.polytech.exception.IncorrectRequestException;
 import fr.etu.polytech.exception.ResourceNotFoundException;
 import fr.etu.polytech.repository.AlertRepository;
@@ -81,11 +82,23 @@ public List<Alert> getAllAlerts() {
         return alertRepository.listAll();
     }
 
+    @GET
+    @Path("/severity/{severity}")
+    public List<Alert> getAlertsBySeverity(@PathParam("severity") String severity) {
+        try {
+            Severity sev = Severity.valueOf(severity.toUpperCase());
+            return alertRepository.findBySeverity(sev);
+        } catch (IllegalArgumentException e) {
+            throw new WebApplicationException("Invalid severity level", 400);
+        }
+    }
+
+
     @POST
     @Produces(MediaType.APPLICATION_JSON)
     @Consumes(MediaType.APPLICATION_JSON)
     public Response createAlert(@Valid AlertDTO alertDTO) throws IncorrectRequestException {
-        Alert alert = new Alert(alertDTO.type(), alertDTO.message(), alertDTO.gatewayId(),alertDTO.value());
+        Alert alert = new Alert(alertDTO.type(), alertDTO.message(), alertDTO.gatewayId(),alertDTO.value(),alertDTO.severity());
         alertRepository.persist(alert);
         return Response.status(Response.Status.CREATED).entity(alert).build();
     }
@@ -171,4 +184,6 @@ public void validateGatewayId(String gatewayId) throws IncorrectRequestException
         }
     }
 
+
+
 }
diff --git a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/dto/AlertDTO.java b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/dto/AlertDTO.java
index 5b864b2..13174ca 100644
--- a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/dto/AlertDTO.java
+++ b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/dto/AlertDTO.java
@@ -1,4 +1,5 @@
 package fr.etu.polytech.dto;
+import fr.etu.polytech.entity.Severity;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.PositiveOrZero;
@@ -15,6 +16,8 @@ public record AlertDTO(
         @NotNull(message = "Gateway ID must not be null")
         @NotEmpty(message = "Gateway ID must not be empty")
         String gatewayId,
-        int value
+        int value,
+        @NotNull(message = "Severity must not be null")
+        Severity severity
 ) {}
 
diff --git a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/entity/Alert.java b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/entity/Alert.java
index 9324d85..e8bcd5c 100644
--- a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/entity/Alert.java
+++ b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/entity/Alert.java
@@ -18,16 +18,18 @@ public class Alert extends PanacheMongoEntity {
     public LocalDateTime timestamp;
     public boolean treated;
     private int value;
+    private Severity severity;
 
     public Alert() {}
 
-    public Alert(String type, String message, String gatewayId, int value) {
+    public Alert(String type, String message, String gatewayId, int value,Severity severity) {
         this.type = type;
         this.message = message;
         this.gatewayId = gatewayId;
         this.timestamp = LocalDateTime.now();
         this.treated = false;
         this.value = value;
+        this.severity = severity;
     }
 
     public String getType() {
@@ -77,4 +79,11 @@ public int getValue() {
     public void setValue(int value) {
         this.value = value;
     }
+    public Severity getSeverity() {
+        return severity;
+    }
+
+    public void setSeverity(Severity severity) {
+        this.severity = severity;
+    }
 }
\ No newline at end of file
diff --git a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/entity/Severity.java b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/entity/Severity.java
new file mode 100644
index 0000000..c7e5a5b
--- /dev/null
+++ b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/entity/Severity.java
@@ -0,0 +1,7 @@
+package fr.etu.polytech.entity;
+
+public enum Severity {
+    INFO,
+    WARNING,
+    CRITICAL
+}
diff --git a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/repository/AlertRepository.java b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/repository/AlertRepository.java
index cbc9b53..6a4ce6b 100644
--- a/cloud/backend/alert-management/src/main/java/fr/etu/polytech/repository/AlertRepository.java
+++ b/cloud/backend/alert-management/src/main/java/fr/etu/polytech/repository/AlertRepository.java
@@ -1,6 +1,7 @@
 package fr.etu.polytech.repository;
 import fr.etu.polytech.entity.Alert;
 
+import fr.etu.polytech.entity.Severity;
 import io.quarkus.mongodb.panache.PanacheMongoRepository;
 import jakarta.enterprise.context.ApplicationScoped;
 
@@ -18,4 +19,7 @@ public List<Alert> findByGatewayId(String gatewayId) {
         return find("gatewayId", gatewayId).list();
     }
 
+    public List<Alert> findBySeverity(Severity severity) {
+        return find("severity", severity).list();
+    }
 }