diff --git a/x-pack/legacy/plugins/apm/server/routes/settings.ts b/x-pack/legacy/plugins/apm/server/routes/settings.ts
index 142756137647f..2c4a151a98621 100644
--- a/x-pack/legacy/plugins/apm/server/routes/settings.ts
+++ b/x-pack/legacy/plugins/apm/server/routes/settings.ts
@@ -126,6 +126,7 @@ export const updateAgentConfigurationRoute = createRoute(() => ({
 
 // Lookup single configuration
 export const agentConfigurationSearchRoute = createRoute(core => ({
+  method: 'POST',
   path: '/api/apm/settings/agent-configuration/search',
   params: {
     body: t.type({