diff --git a/api/bases/heat.openstack.org_heats.yaml b/api/bases/heat.openstack.org_heats.yaml
index 5f383d5a..4fe948bd 100644
--- a/api/bases/heat.openstack.org_heats.yaml
+++ b/api/bases/heat.openstack.org_heats.yaml
@@ -44,6 +44,11 @@ spec:
           spec:
             description: HeatSpec defines the desired state of Heat
             properties:
+              apiTimeout:
+                default: 600
+                description: APITimeout for Route and Apache
+                minimum: 60
+                type: integer
               customServiceConfig:
                 description: CustomServiceConfig - customize the service config using
                   this parameter to change service defaults, or overwrite rendered
diff --git a/api/v1beta1/heat_types.go b/api/v1beta1/heat_types.go
index 395fe155..9ed445f7 100644
--- a/api/v1beta1/heat_types.go
+++ b/api/v1beta1/heat_types.go
@@ -121,6 +121,12 @@ type HeatSpecBase struct {
 	// NodeSelector to target subset of worker nodes for running the Heat services
 	NodeSelector *map[string]string `json:"nodeSelector,omitempty"`
 
+	// +kubebuilder:validation:Optional
+	// +kubebuilder:default=600
+	// +kubebuilder:validation:Minimum=60
+	// APITimeout for Route and Apache
+	APITimeout int `json:"apiTimeout"`
+
 	// Common input parameters for all Heat services
 	HeatTemplate `json:",inline"`
 }
diff --git a/api/v1beta1/heat_webhook.go b/api/v1beta1/heat_webhook.go
index 43c73ff9..672a944d 100644
--- a/api/v1beta1/heat_webhook.go
+++ b/api/v1beta1/heat_webhook.go
@@ -238,3 +238,30 @@ func (r *Heat) ValidateDelete() (admission.Warnings, error) {
 	// TODO(user): fill in your validation logic upon object deletion.
 	return nil, nil
 }
+
+// SetDefaultRouteAnnotations sets HAProxy timeout values of the route
+// NOTE: it is used by ctlplane webhook on openstack-operator
+func (spec *HeatSpecCore) SetDefaultRouteAnnotations(annotations map[string]string) {
+	const haProxyAnno = "haproxy.router.openshift.io/timeout"
+	// Use a custom annotation to flag when the operator has set the default HAProxy timeout
+	// With the annotation func determines when to overwrite existing HAProxy timeout with the APITimeout
+	const heatAnno = "api.heat.openstack.org/timeout"
+
+	valHeat, okHeat := annotations[heatAnno]
+	valHAProxy, okHAProxy := annotations[haProxyAnno]
+
+	// Human operator set the HAProxy timeout manually
+	if !okHeat && okHAProxy {
+		return
+	}
+
+	// Human operator modified the HAProxy timeout manually without removing the Heat flag
+	if okHeat && okHAProxy && valHeat != valHAProxy {
+		delete(annotations, heatAnno)
+		return
+	}
+
+	timeout := fmt.Sprintf("%ds", spec.APITimeout)
+	annotations[heatAnno] = timeout
+	annotations[haProxyAnno] = timeout
+}
diff --git a/config/crd/bases/heat.openstack.org_heats.yaml b/config/crd/bases/heat.openstack.org_heats.yaml
index 5f383d5a..4fe948bd 100644
--- a/config/crd/bases/heat.openstack.org_heats.yaml
+++ b/config/crd/bases/heat.openstack.org_heats.yaml
@@ -44,6 +44,11 @@ spec:
           spec:
             description: HeatSpec defines the desired state of Heat
             properties:
+              apiTimeout:
+                default: 600
+                description: APITimeout for Route and Apache
+                minimum: 60
+                type: integer
               customServiceConfig:
                 description: CustomServiceConfig - customize the service config using
                   this parameter to change service defaults, or overwrite rendered
diff --git a/controllers/heat_controller.go b/controllers/heat_controller.go
index e96b17f6..7d2ddf3e 100644
--- a/controllers/heat_controller.go
+++ b/controllers/heat_controller.go
@@ -1356,6 +1356,7 @@ func initTemplateParameters(
 		"MemcachedServersWithInet": mc.GetMemcachedServerListWithInetString(),
 		"MemcachedTLS":             mc.GetMemcachedTLSSupport(),
 		"DatabaseConnection":       mysqlConnectionString,
+		"Timeout":                  instance.Spec.APITimeout,
 	}
 }
 
diff --git a/templates/heat/config/heat-api-httpd.conf b/templates/heat/config/heat-api-httpd.conf
index a78d1413..2e2c7f35 100644
--- a/templates/heat/config/heat-api-httpd.conf
+++ b/templates/heat/config/heat-api-httpd.conf
@@ -53,6 +53,6 @@ ErrorLog /dev/stdout
   WSGIScriptAlias / "/usr/bin/heat-wsgi-api"
   WSGIPassAuthorization On
 
-  Timeout 600
+  Timeout {{ $.Timeout }}
 </VirtualHost>
 {{ end }}
diff --git a/templates/heat/config/heat-cfnapi-httpd.conf b/templates/heat/config/heat-cfnapi-httpd.conf
index 7f8f1852..cb696511 100644
--- a/templates/heat/config/heat-cfnapi-httpd.conf
+++ b/templates/heat/config/heat-cfnapi-httpd.conf
@@ -53,6 +53,6 @@ ErrorLog /dev/stdout
   WSGIScriptAlias / "/usr/bin/heat-wsgi-api-cfn"
   WSGIPassAuthorization On
 
-  Timeout 600
+  Timeout {{ $.Timeout }}
 </VirtualHost>
 {{ end }}