diff --git a/quarkus/addons/dynamic/integration-tests/src/test/java/org/kie/kogito/process/dynamic/DynamicCallResourceTest.java b/quarkus/addons/dynamic/integration-tests/src/test/java/org/kie/kogito/process/dynamic/DynamicCallResourceTest.java
index 24c86b8e9e3..76717637833 100644
--- a/quarkus/addons/dynamic/integration-tests/src/test/java/org/kie/kogito/process/dynamic/DynamicCallResourceTest.java
+++ b/quarkus/addons/dynamic/integration-tests/src/test/java/org/kie/kogito/process/dynamic/DynamicCallResourceTest.java
@@ -19,6 +19,9 @@
 package org.kie.kogito.process.dynamic;
 
 import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
 
 import org.junit.jupiter.api.Test;
 
@@ -26,6 +29,7 @@
 import io.restassured.http.ContentType;
 
 import static io.restassured.RestAssured.*;
+import static org.hamcrest.Matchers.containsString;
 
 @QuarkusTest
 public class DynamicCallResourceTest {
@@ -33,14 +37,7 @@ public class DynamicCallResourceTest {
     @Test
     void testDynamicCall() {
 
-        String id = given()
-                .contentType(ContentType.JSON)
-                .accept(ContentType.JSON)
-                .when()
-                .post("/dynamicWait")
-                .then()
-                .statusCode(201)
-                .extract().path("id");
+        String id = createDynamicWaitProcessInstance();
 
         given()
                 .contentType(ContentType.JSON)
@@ -68,4 +65,121 @@ void testDynamicCall() {
                 .statusCode(404);
     }
 
+    @Test
+    void testDynamicCallWithInvalidProcessId() {
+        String invalidId = "invalid-process-id";
+
+        given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .body(Map.of("endpoint", "/example/{processInstanceId}", "port", 8081, "method", "post", "outputExpression", "{message}"))
+                .when()
+                .post("/_dynamic/dynamicWait/" + invalidId + "/rest")
+                .then()
+                .statusCode(400)
+                .body("message", containsString("Cannot find process instance"));
+    }
+
+    @Test
+    void testDynamicCallWithMissingUrlParameter() {
+        String id = createDynamicWaitProcessInstance();
+
+        given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .body(Map.of("port", 8081))
+                .when()
+                .post("/_dynamic/dynamicWait/" + id + "/rest")
+                .then()
+                .statusCode(400)
+                .body("message", containsString("Missing required parameter Url"));
+    }
+
+    @Test
+    void testDynamicCallWithMissingMethodParameter() {
+        String id = createDynamicWaitProcessInstance();
+
+        given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .body(Map.of("endpoint", "/example/{processInstanceId}", "port", 8081, "outputExpression", "{message}"))
+                .when()
+                .post("/_dynamic/dynamicWait/" + id + "/rest")
+                .then()
+                .statusCode(500)
+                .body("message", containsString("Method Not Allowed"));
+    }
+
+    @Test
+    void testDynamicCallWithMissingPortParameter() {
+        String id = createDynamicWaitProcessInstance();
+
+        given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .body(Map.of("endpoint", "/example/{processInstanceId}", "method", "post", "outputExpression", "{message}"))
+                .when()
+                .post("/_dynamic/dynamicWait/" + id + "/rest")
+                .then()
+                .statusCode(500);
+    }
+
+    @Test
+    void testDynamicCallWithInvalidEndpointFormat() {
+        String id = createDynamicWaitProcessInstance();
+
+        given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .body(Map.of("endpoint", "invalid-endpoint-format", "port", 8081, "method", "post", "outputExpression", "{message}"))
+                .when()
+                .post("/_dynamic/dynamicWait/" + id + "/rest")
+                .then()
+                .statusCode(404)
+                .body("message", containsString("endpoint invalid-endpoint-format failed"));
+    }
+
+    @Test
+    void testConcurrentDynamicCalls() throws Exception {
+        String id1 = createDynamicWaitProcessInstance();
+
+        String id2 = createDynamicWaitProcessInstance();
+
+        ExecutorService executor = Executors.newFixedThreadPool(2);
+
+        Future<?> future1 = executor.submit(() -> given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .body(Map.of("endpoint", "/example/{processInstanceId}", "port", 8081, "method", "post", "outputExpression", "{message}"))
+                .when()
+                .post("/_dynamic/dynamicWait/" + id1 + "/rest")
+                .then()
+                .statusCode(200));
+
+        Future<?> future2 = executor.submit(() -> given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .body(Map.of("endpoint", "/example/{processInstanceId}", "port", 8081, "method", "post", "outputExpression", "{message}"))
+                .when()
+                .post("/_dynamic/dynamicWait/" + id2 + "/rest")
+                .then()
+                .statusCode(200));
+
+        future1.get();
+        future2.get();
+
+        executor.shutdown();
+    }
+
+    private String createDynamicWaitProcessInstance() {
+        return given()
+                .contentType(ContentType.JSON)
+                .accept(ContentType.JSON)
+                .when()
+                .post("/dynamicWait")
+                .then()
+                .statusCode(201)
+                .extract().path("id");
+    }
+
 }