diff --git a/routes/universign.py b/routes/universign.py
index 73761d3..ff90d85 100644
--- a/routes/universign.py
+++ b/routes/universign.py
@@ -6,6 +6,7 @@ from typing import List, Optional
 from datetime import datetime
 from pydantic import BaseModel, EmailStr
 import logging
+from data.data import templates_signature_email
 from email_queue import email_queue
 from database import get_session
 from database import (
@@ -86,13 +87,12 @@ async def create_signature(
         if not pdf_bytes:
             raise HTTPException(400, "Échec génération PDF")
 
-        # === 2. CRÉATION TRANSACTION UNIVERSIGN ===
+        # === CRÉATION TRANSACTION UNIVERSIGN ===
         import requests
         import uuid
 
         auth = (settings.universign_api_key, "")
 
-        # Créer la transaction
         resp = requests.post(
             f"{settings.universign_api_url}/transactions",
             auth=auth,
@@ -109,7 +109,6 @@ async def create_signature(
 
         universign_tx_id = resp.json().get("id")
 
-        # Upload le fichier
         files = {
             "file": (f"{request.sage_document_id}.pdf", pdf_bytes, "application/pdf")
         }
@@ -122,7 +121,6 @@ async def create_signature(
 
         file_id = resp.json().get("id")
 
-        # Attacher le document
         resp = requests.post(
             f"{settings.universign_api_url}/transactions/{universign_tx_id}/documents",
             auth=auth,
@@ -135,7 +133,6 @@ async def create_signature(
 
         document_id = resp.json().get("id")
 
-        # Créer le champ de signature
         resp = requests.post(
             f"{settings.universign_api_url}/transactions/{universign_tx_id}/documents/{document_id}/fields",
             auth=auth,
@@ -148,7 +145,6 @@ async def create_signature(
 
         field_id = resp.json().get("id")
 
-        # Lier le signataire
         resp = requests.post(
             f"{settings.universign_api_url}/transactions/{universign_tx_id}/signatures",
             auth=auth,
@@ -159,7 +155,6 @@ async def create_signature(
         if resp.status_code not in [200, 201]:
             raise HTTPException(500, "Erreur liaison signataire")
 
-        # Démarrer la transaction
         resp = requests.post(
             f"{settings.universign_api_url}/transactions/{universign_tx_id}/start",
             auth=auth,
@@ -171,7 +166,6 @@ async def create_signature(
 
         final_data = resp.json()
 
-        # Extraire l'URL de signature
         signer_url = ""
         if final_data.get("actions"):
             for action in final_data["actions"]:
@@ -182,8 +176,7 @@ async def create_signature(
         if not signer_url:
             raise HTTPException(500, "URL de signature non retournée")
 
-        # === 3. ENREGISTREMENT LOCAL ===
-
+        # === ENREGISTREMENT LOCAL ===
         local_id = str(uuid.uuid4())
 
         transaction = UniversignTransaction(
@@ -199,13 +192,12 @@ async def create_signature(
             document_name=request.document_name,
             created_at=datetime.now(),
             sent_at=datetime.now(),
-            is_test=True,  # Environnement .alpha
+            is_test=True,
             needs_sync=True,
         )
 
         session.add(transaction)
 
-        # Signataire
         signer = UniversignSigner(
             id=f"{local_id}_signer_0",
             transaction_id=local_id,
@@ -216,18 +208,51 @@ async def create_signature(
         )
 
         session.add(signer)
-
         await session.commit()
 
+        # === ENVOI EMAIL AVEC TEMPLATE ===
+        template = templates_signature_email["demande_signature"]
+
+        type_labels = {
+            0: "Devis",
+            10: "Commande",
+            30: "Bon de Livraison",
+            60: "Facture",
+            50: "Avoir",
+        }
+
+        doc_info = email_queue.sage_client.lire_document(
+            request.sage_document_id, request.sage_document_type.value
+        )
+        montant_ttc = f"{doc_info.get('total_ttc', 0):.2f}" if doc_info else "0.00"
+        date_doc = (
+            doc_info.get("date", datetime.now().strftime("%d/%m/%Y"))
+            if doc_info
+            else datetime.now().strftime("%d/%m/%Y")
+        )
+
+        variables = {
+            "NOM_SIGNATAIRE": request.signer_name,
+            "TYPE_DOC": type_labels.get(request.sage_document_type.value, "Document"),
+            "NUMERO": request.sage_document_id,
+            "DATE": date_doc,
+            "MONTANT_TTC": montant_ttc,
+            "SIGNER_URL": signer_url,
+            "CONTACT_EMAIL": settings.smtp_from,
+        }
+
+        sujet = template["sujet"]
+        corps = template["corps_html"]
+
+        for var, valeur in variables.items():
+            sujet = sujet.replace(f"{{{{{var}}}}}", str(valeur))
+            corps = corps.replace(f"{{{{{var}}}}}", str(valeur))
+
         email_log = EmailLog(
             id=str(uuid.uuid4()),
             destinataire=request.signer_email,
-            sujet=f"Signature requise - {request.sage_document_type.name} {request.sage_document_id}",
-            corps_html=f"""
-                <p>Bonjour {request.signer_name},</p>
-                <p>Merci de signer le document suivant :</p>
-                <p><a href="{signer_url}">Cliquez ici pour signer</a></p>
-            """,
+            sujet=sujet,
+            corps_html=corps,
             document_ids=request.sage_document_id,
             type_document=request.sage_document_type.value,
             statut=StatutEmail.EN_ATTENTE,
@@ -241,7 +266,6 @@ async def create_signature(
         email_queue.enqueue(email_log.id)
 
         # === RÉPONSE ===
-
         return TransactionResponse(
             id=transaction.id,
             transaction_id=transaction.transaction_id,