diff --git a/app/__pycache__/main.cpython-314.pyc b/app/__pycache__/main.cpython-314.pyc
new file mode 100644
index 0000000..90865a6
Binary files /dev/null and b/app/__pycache__/main.cpython-314.pyc differ
diff --git a/app/api/__pycache__/routes.cpython-314.pyc b/app/api/__pycache__/routes.cpython-314.pyc
new file mode 100644
index 0000000..6018e11
Binary files /dev/null and b/app/api/__pycache__/routes.cpython-314.pyc differ
diff --git a/app/api/__pycache__/schemas.cpython-314.pyc b/app/api/__pycache__/schemas.cpython-314.pyc
new file mode 100644
index 0000000..7e7d419
Binary files /dev/null and b/app/api/__pycache__/schemas.cpython-314.pyc differ
diff --git a/app/api/routes.py b/app/api/routes.py
new file mode 100644
index 0000000..0780542
--- /dev/null
+++ b/app/api/routes.py
@@ -0,0 +1,14 @@
+from fastapi import APIRouter
+from app.api.schemas import ChatRequest, ChatResponse
+from app.services.orchestrator_service import OrchestratorService
+
+router = APIRouter()
+service = OrchestratorService()
+
+@router.post("/chat", response_model=ChatResponse)
+async def chat(request: ChatRequest):
+    result = await service.handle_message(
+        message=request.message,
+        user_id=request.user_id
+    )
+    return ChatResponse(response=result)
diff --git a/app/api/schemas.py b/app/api/schemas.py
new file mode 100644
index 0000000..b8a9044
--- /dev/null
+++ b/app/api/schemas.py
@@ -0,0 +1,8 @@
+from pydantic import BaseModel
+
+class ChatRequest(BaseModel):
+    message: str
+    user_id: str
+
+class ChatResponse(BaseModel):
+    response: str
diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000..9185651
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,6 @@
+from fastapi import FastAPI
+from app.api.routes import router
+
+app = FastAPI(title="AI Orquestrador")
+
+app.include_router(router)
diff --git a/app/services/__pycache__/orchestrator_service.cpython-314.pyc b/app/services/__pycache__/orchestrator_service.cpython-314.pyc
new file mode 100644
index 0000000..c4fdc32
Binary files /dev/null and b/app/services/__pycache__/orchestrator_service.cpython-314.pyc differ
diff --git a/app/services/orchestrator_service.py b/app/services/orchestrator_service.py
new file mode 100644
index 0000000..18b3e56
--- /dev/null
+++ b/app/services/orchestrator_service.py
@@ -0,0 +1,10 @@
+class OrchestratorService:
+
+    async def handle_message(self, message: str, user_id: str) -> str:
+        # Aqui futuramente:
+        # - chamada ao Gemini
+        # - verificação de intenção
+        # - chamada de tools
+        # - integração com banco
+        
+        return f"Mensagem recebida do usuário {user_id}: {message}"
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..27eaecc
Binary files /dev/null and b/requirements.txt differ