diff --git a/README.md b/README.md
index 5252d2b..d01d7a9 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# ReActor 0.3.2b for StableDiffusion
+# ReActor 0.4.0a for StableDiffusion
 ### The Fast and Simple "[roop-based](https://github.com/s0md3v/sd-webui-roop)" FaceSwap Extension with a lot of improvements and without NSFW filter (uncensored, use it on your own [responsibility](#disclaimer)) 
 
 > Ex "Roop-GE" (GE - Gourieff Edition, aka "NSFW-Roop"), the extension was renamed with the version 0.3.0<br>
diff --git a/install.py b/install.py
index 5d4c0aa..bb974f2 100644
--- a/install.py
+++ b/install.py
@@ -9,7 +9,8 @@ req_file = os.path.join(os.path.dirname(os.path.realpath(__file__)), "requiremen
 
 models_dir = os.path.abspath("models/roop")
 
-model_url = "https://huggingface.co/henryruhs/roop/resolve/main/inswapper_128.onnx"
+# model_url = "https://huggingface.co/henryruhs/roop/resolve/main/inswapper_128.onnx"
+model_url = "https://huggingface.co/deepinsight/inswapper/resolve/main/inswapper_128.onnx" # temporary url
 model_name = os.path.basename(model_url)
 model_path = os.path.join(models_dir, model_name)
 
diff --git a/scripts/reactor_api.py b/scripts/reactor_api.py
new file mode 100644
index 0000000..e1ebb20
--- /dev/null
+++ b/scripts/reactor_api.py
@@ -0,0 +1,110 @@
+'''
+Thanks SpenserCai for the 1st version of this script
+--- ReActor External API v1.0.0 ---
+'''
+import os, glob
+from datetime import datetime, date
+from fastapi import FastAPI, Body
+
+# from modules.api.models import *
+from modules import scripts, shared
+from modules.api import api
+
+import gradio as gr
+
+from scripts.swapper import UpscaleOptions, swap_face
+from scripts.logger import logger
+
+
+def default_file_path():
+    time = datetime.now()
+    today = date.today()
+    current_date = today.strftime('%Y-%m-%d')
+    current_time = time.strftime('%H-%M-%S')
+    output_file = 'output_'+current_date+'_'+current_time+'.png'
+    return os.path.join(os.path.abspath("outputs/api"), output_file)
+
+def get_face_restorer(name):
+    for restorer in shared.face_restorers:
+        if restorer.name() == name:
+            return restorer
+    return None
+
+def get_upscaler(name):
+    for upscaler in shared.sd_upscalers:
+        if upscaler.name == name:
+            return upscaler
+    return None
+
+def get_models():
+    models_path = os.path.join(scripts.basedir(), "models/roop/*")
+    models = glob.glob(models_path)
+    models = [x for x in models if x.endswith(".onnx") or x.endswith(".pth")]
+    return models
+
+def get_full_model(model_name):
+    models = get_models()
+    for model in models:
+        model_path = os.path.split(model)
+        if model_path[1] == model_name:
+            return model
+    return None
+
+def reactor_api(_: gr.Blocks, app: FastAPI):
+    @app.post("/reactor/image")
+    async def reactor_image(
+        source_image: str = Body("",title="Source Face Image"),
+        target_image: str = Body("",title="Target Image"),
+        source_faces_index: list[int] = Body([0],title="Comma separated face number(s) from swap-source image"),
+        face_index: list[int] = Body([0],title="Comma separated face number(s) for target image (result)"),
+        upscaler: str = Body("None",title="Upscaler"),
+        scale: int = Body(1,title="Scale by"),
+        upscale_visibility: float = Body(1,title="Upscaler visibility (if scale = 1)"),
+        face_restorer: str = Body("None",title="Restore Face: 0 - None; 1 - CodeFormer; 2 - GFPGA"),
+        restorer_visibility: float = Body(1,title="Restore visibility value"),
+        restore_first: int = Body(1,title="Restore face -> Then upscale, 1 - True, 0 - False"),
+        model: str = Body("inswapper_128.onnx",title="Model"),
+        gender_source: int = Body(0,title="Gender Detection (Source) (0 - No, 1 - Female Only, 2 - Male Only)"),
+        gender_target: int = Body(0,title="Gender Detection (Target) (0 - No, 1 - Female Only, 2 - Male Only)"),
+        save_to_file: int = Body(0,title="Save Result to file, 0 - No, 1 - Yes"),
+        result_file_path: str = Body("",title="(if 'save_to_file = 1') Result file path")
+    ):
+        s_image = api.decode_base64_to_image(source_image)
+        t_image = api.decode_base64_to_image(target_image)
+        sf_index = source_faces_index
+        f_index = face_index
+        gender_s = gender_source
+        gender_t = gender_target
+        restore_first_bool = True if restore_first == 1 else False
+        up_options = UpscaleOptions(do_restore_first=restore_first_bool, scale=scale, upscaler=get_upscaler(upscaler), upscale_visibility=upscale_visibility,face_restorer=get_face_restorer(face_restorer),restorer_visibility=restorer_visibility)
+        use_model = get_full_model(model)
+        if use_model is None:
+            Exception("Model not found")
+        result = swap_face(s_image, t_image, use_model, sf_index, f_index, up_options, gender_s, gender_t)
+        if save_to_file == 1:
+            if result_file_path == "":
+                result_file_path = default_file_path()
+            try:
+                result.save(result_file_path, format='PNG')
+            except Exception as e:
+                logger.error("Error while saving result: %s",e)
+            finally:
+                logger.info("Result has been saved to: %s", result_file_path)
+        return {"image": api.encode_pil_to_base64(result)}
+
+    @app.get("/reactor/models")
+    async def reactor_models():
+        model_names = [os.path.split(model)[1] for model in get_models()]
+        return {"models": model_names}
+    
+    @app.get("/reactor/upscalers")
+    async def reactor_upscalers():
+        names = [upscaler.name for upscaler in shared.sd_upscalers]
+        return {"upscalers": names}
+
+try:
+    import modules.script_callbacks as script_callbacks
+
+    script_callbacks.on_app_started(reactor_api)
+except:
+    pass
diff --git a/scripts/version.py b/scripts/version.py
index dacacd5..b3775ca 100644
--- a/scripts/version.py
+++ b/scripts/version.py
@@ -1,5 +1,5 @@
 app_title = "ReActor"
-version_flag = "v0.3.2b"
+version_flag = "v0.4.0a"
 
 from scripts.logger import logger, get_Run, set_Run