diff --git a/packages/botonic-core/index.d.ts b/packages/botonic-core/index.d.ts
index 09900c9ff6..13658602ae 100644
--- a/packages/botonic-core/index.d.ts
+++ b/packages/botonic-core/index.d.ts
@@ -55,19 +55,30 @@ export declare function storeCaseRating(
   rating: number
 ): Promise<any>
 
+interface BotOptions {
+  routes: Routes
+  locales: Locales
+  integrations?: { [id: string]: any }
+  theme?: string
+  /** The plugin configurations */
+  plugins?: { [id: string]: any }
+  appId?: string
+  defaultTyping?: number
+  defaultDelay?: number
+}
 type Routes = Route[] | ((_: { input: Input; session: Session }) => Route[])
 
 export class CoreBot {
-  constructor(_: {
-    routes: Routes
-    locales: Locales
-    integrations?: { [id: string]: any }
-    theme?: string
-    plugins?: { [id: string]: any }
-    appId?: string
-    defaultTyping?: number
-    defaultDelay?: number
-  })
+  routes: Routes
+  locales: Locales;
+  integrations?: {[id: string]: any};
+  theme?: string;
+  /** The instantiated plugin instances */
+  plugins: { [id: string]: any};
+  defaultTyping : number;
+  defaultDelay : number;
+
+  constructor(options: BotOptions)
 
   getString(stringID: string, session: Session): string
 
diff --git a/packages/botonic-react/index.d.ts b/packages/botonic-react/index.d.ts
index a41679e34a..3d363ef475 100644
--- a/packages/botonic-react/index.d.ts
+++ b/packages/botonic-react/index.d.ts
@@ -1,3 +1,4 @@
+import { Input, Locales, Routes, Session } from '@botonic/core';
 import * as React from 'react'
 import * as core from '@botonic/core'
 
@@ -47,6 +48,23 @@ export class Title extends React.Component<any, any> {}
 export class Subtitle extends React.Component<any, any> {}
 export class Element extends React.Component<any, any> {}
 
+export class NodeApp {
+  constructor(options: core.BotOptions);
+
+  renderNode(args): string;
+
+  input(_: {
+    input: Input
+    session?: Session
+    lastRoutePath: string
+  }): {
+    input: Input
+    response: React.ReactNode
+    session: Session
+    lastRoutePath: string
+  }
+}
+
 // Parameters of the actions' botonicInit method
 export interface ActionInitInput {
   input: core.Input
@@ -57,7 +75,7 @@ export interface ActionInitInput {
 }
 
 export class BotonicInputTester {
-  constructor(app: core.CoreBot)
+  constructor(app: NodeApp)
 
   text(
     inp: string,
@@ -73,7 +91,7 @@ export class BotonicInputTester {
 }
 
 export class BotonicOutputTester {
-  constructor(app: core.CoreBot)
+  constructor(app: NodeApp)
 
   text(out: string, replies?: any): Promise<string>
 }