diff --git a/acquia_agent/acquia_agent.module b/acquia_agent/acquia_agent.module
index 45992d9..77d48d8 100644
--- a/acquia_agent/acquia_agent.module
+++ b/acquia_agent/acquia_agent.module
@@ -208,6 +208,14 @@ function acquia_agent_get_subscription($params = array(), $identifier = NULL, $k
       $params['search_version'][$name] = isset($info['version']) ? (string)$info['version'] : (string)$info['core'];
     }
   }
+  // Include Acquia Search for Search API module version number.
+  if (module_exists('search_api_acquia')) {
+    foreach (array('search_api_acquia', 'search_api', 'search_api_solr') as $name) {
+      $info = system_get_info('module', $name);
+      // Send the version, or at least the core compatibility as a fallback.
+      $params['search_version'][$name] = isset($info['version']) ? (string)$info['version'] : (string)$info['core'];
+    }
+  }
 
   // Retrieve our subscription details
   $data = acquia_agent_call('acquia.agent.subscription', $params, $identifier, $key, $acquia_network_address);