diff --git a/_meta/beat.yml b/_meta/beat.yml
index 65384b58a7d..7363d568b8b 100644
--- a/_meta/beat.yml
+++ b/_meta/beat.yml
@@ -107,7 +107,6 @@ apm-server:
   # Enable API key authorization by setting enabled to true. By default API key support is disabled.
   # Agents include a valid API key in the following format: Authorization: ApiKey <token>.
   # The key must be the base64 encoded representation of the API key's "id:key".
-  # This is an experimental feature, use with care.
   #api_key:
     #enabled: false
 
diff --git a/apm-server.docker.yml b/apm-server.docker.yml
index 3ab4b5cfbe7..d131f087a8b 100644
--- a/apm-server.docker.yml
+++ b/apm-server.docker.yml
@@ -107,7 +107,6 @@ apm-server:
   # Enable API key authorization by setting enabled to true. By default API key support is disabled.
   # Agents include a valid API key in the following format: Authorization: ApiKey <token>.
   # The key must be the base64 encoded representation of the API key's "id:key".
-  # This is an experimental feature, use with care.
   #api_key:
     #enabled: false
 
diff --git a/apm-server.yml b/apm-server.yml
index 82dfc720259..e7bb6c3a6ff 100644
--- a/apm-server.yml
+++ b/apm-server.yml
@@ -107,7 +107,6 @@ apm-server:
   # Enable API key authorization by setting enabled to true. By default API key support is disabled.
   # Agents include a valid API key in the following format: Authorization: ApiKey <token>.
   # The key must be the base64 encoded representation of the API key's "id:key".
-  # This is an experimental feature, use with care.
   #api_key:
     #enabled: false
 
diff --git a/changelogs/head.asciidoc b/changelogs/head.asciidoc
index b993871590a..4690ae719cc 100644
--- a/changelogs/head.asciidoc
+++ b/changelogs/head.asciidoc
@@ -37,6 +37,7 @@ https://github.com/elastic/apm-server/compare/7.12\...master[View commits]
 * Add `session.id` and `session.sequence` fields for RUM session tracking {pull}5056[5056]
 * Support for ingesting `user.domain` {pull}5067[5067]
 * Add `"application": "apm"` metadata to API Keys created with `apm-server apikey create` {pull}5090[5090]
+* API Key auth is no longer considered experimental {pull}5091[5091]
 
 [float]
 ==== Deprecated
diff --git a/docs/secure-communication-agents.asciidoc b/docs/secure-communication-agents.asciidoc
index 2799af93b87..3115a418f63 100644
--- a/docs/secure-communication-agents.asciidoc
+++ b/docs/secure-communication-agents.asciidoc
@@ -30,8 +30,6 @@ include::./ssl-input.asciidoc[]
 [[api-key]]
 === API keys
 
-experimental::[]
-
 You can configure API keys to authorize requests to the APM Server.
 
 NOTE: API keys are sent as plain-text,