diff --git a/src/main/java/com/homme/demo/controller/ChatController.java b/src/main/java/com/homme/demo/controller/ChatController.java
index 2e7b272..eca83ef 100644
--- a/src/main/java/com/homme/demo/controller/ChatController.java
+++ b/src/main/java/com/homme/demo/controller/ChatController.java
@@ -4,11 +4,13 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.CrossOrigin;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.homme.demo.dto.AskResponse;
+import com.homme.demo.dto.ChatRequest;
 import com.homme.demo.service.RagService;
 
 
@@ -20,20 +22,23 @@ public class ChatController {
     @Autowired
     private RagService ragService;
 
-   
-    @PostMapping("/ask")
-    public AskResponse ask(@RequestParam String question) {
 
-       
+    @PostMapping("/ask")
+    public AskResponse ask(@RequestBody ChatRequest request) {
+
+        String question = request.getMessage();
 
         if (question == null || question.isBlank()) {
+            String warn = "Bitte stellen Sie eine Frage.";
             return AskResponse.builder()
-                    .answer("Bitte stellen Sie eine Frage.")
+                    .answer(warn).reply(warn).message(warn)
                     .build();
         }
 
+        String answer = ragService.answerQuestion(question);
+
         return AskResponse.builder()
-                .answer(ragService.answerQuestion(question))
+                .answer(answer).reply(answer).message(answer)
                 .build();
     }
 
diff --git a/src/main/java/com/homme/demo/dto/AskResponse.java b/src/main/java/com/homme/demo/dto/AskResponse.java
index a209768..8a1a421 100644
--- a/src/main/java/com/homme/demo/dto/AskResponse.java
+++ b/src/main/java/com/homme/demo/dto/AskResponse.java
@@ -4,7 +4,9 @@ import lombok.Builder;
 import lombok.Getter;
 
 /**
- * Response body for the chatbot endpoint: { "answer": "..." }.
+ * Response body for the chatbot endpoint.
+ * Enthaelt mehrere gaengige Feldnamen (answer/reply/message),
+ * damit das Widget den Text sicher findet.
  */
 @Getter
 @Builder
@@ -12,4 +14,8 @@ public class AskResponse {
 
 	private String answer;
 
+	private String reply;
+
+	private String message;
+
 }
diff --git a/src/main/java/com/homme/demo/dto/ChatRequest.java b/src/main/java/com/homme/demo/dto/ChatRequest.java
new file mode 100644
index 0000000..9e42435
--- /dev/null
+++ b/src/main/java/com/homme/demo/dto/ChatRequest.java
@@ -0,0 +1,34 @@
+package com.homme.demo.dto;
+
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * Request body sent by the WordPress chat widget:
+ * { "session_id": "...", "history": [{role, content}], "message": "..." }
+ */
+@Getter
+@Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class ChatRequest {
+
+	private String message;
+
+	@JsonProperty("session_id")
+	private String sessionId;
+
+	private List<HistoryItem> history;
+
+	@Getter
+	@Setter
+	@JsonIgnoreProperties(ignoreUnknown = true)
+	public static class HistoryItem {
+		private String role;
+		private String content;
+	}
+}