diff --git a/docs/reference/indices/simulate-template.asciidoc b/docs/reference/indices/simulate-template.asciidoc
index 6d58ad2ef6fce..1cdeede48bc09 100644
--- a/docs/reference/indices/simulate-template.asciidoc
+++ b/docs/reference/indices/simulate-template.asciidoc
@@ -4,8 +4,6 @@
 <titleabbrev>Simulate template</titleabbrev>
 ++++
 
-experimental[]
-
 Returns the index configuration that would be applied by a particular 
 <<indices-templates, index template>>.
 
@@ -297,4 +295,4 @@ The response shows any overlapping templates with a lower priority.
     }
   ]
 }
----------------------------------------------------------
\ No newline at end of file
+---------------------------------------------------------
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.delete_component_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.delete_component_template.json
index 9beea52c86b37..25ed4d18a9785 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.delete_component_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.delete_component_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html",
       "description":"Deletes a component template"
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.exists_component_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.exists_component_template.json
index cc048ded45e51..e7dc28fc57270 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.exists_component_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.exists_component_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html",
       "description":"Returns information about whether a particular component template exist"
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.get_component_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.get_component_template.json
index ecf32f50c0a6c..402bbdef44efe 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.get_component_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.get_component_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html",
       "description":"Returns one or more component templates"
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.put_component_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.put_component_template.json
index abc83fb15f48a..780939cbde54a 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.put_component_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/cluster.put_component_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-component-template.html",
       "description":"Creates or updates a component template"
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.delete_index_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.delete_index_template.json
index d037b03dc5277..60225667d3782 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.delete_index_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.delete_index_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html",
       "description":"Deletes an index template."
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.exists_index_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.exists_index_template.json
index c5312680fa880..99471c50deef2 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.exists_index_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.exists_index_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html",
       "description":"Returns information about whether a particular index template exists."
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.get_index_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.get_index_template.json
index 7ea6dd2944c79..870eeaea0859c 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.get_index_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.get_index_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html",
       "description":"Returns an index template."
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_index_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_index_template.json
index 3f758e18737e2..b06df4733a571 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_index_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_index_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html",
       "description":"Creates or updates an index template."
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_index_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_index_template.json
index 2b81572f0aaaf..889310e977142 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_index_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_index_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html",
       "description": "Simulate matching the given index name against the index templates in the system"
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_template.json b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_template.json
index 364547dd318a2..2511ca637e6c1 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_template.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/indices.simulate_template.json
@@ -4,7 +4,7 @@
       "url":"https://www.elastic.co/guide/en/elasticsearch/reference/master/indices-templates.html",
       "description": "Simulate resolving the given template name or body"
     },
-    "stability":"experimental",
+    "stability":"stable",
     "url":{
       "paths":[
         {