diff --git a/user_api/call2api.py b/user_api/call2api.py
index 9b7b133..1485f27 100644
--- a/user_api/call2api.py
+++ b/user_api/call2api.py
@@ -47,4 +47,18 @@ async def transfer_coins(token, src_username, dst_username, amount):
 	return await call('api/transfer_coins/', data)
 
 async def get_stats(token):
-	return await call('api/get_stats/', token)
\ No newline at end of file
+	return await call('api/get_stats/', token)
+
+async def create_invoice(token, dst_username, amount=None):
+	data = {'token': token, 'dst_username': dst_username}
+	if amount:
+		data['amount'] = amount
+	return await call('api/create_invoice/', data)
+
+async def delete_invoice(token, id):
+	data = {'token': token, 'id': id}
+	return await call('api/delete_invoice/', data)
+
+async def get_invoice(token, id):
+	data = {'token': token, 'id': id}
+	return await call('api/get_invoice/', data)
\ No newline at end of file
diff --git a/user_api/user_api.py b/user_api/user_api.py
index e770ed8..43d0c41 100644
--- a/user_api/user_api.py
+++ b/user_api/user_api.py
@@ -4,7 +4,8 @@ import asyncio
 from statistics import median
 
 from db import *
-from call2api import check_user_token, user_in_db, transfer_coins, get_stats
+from call2api import check_user_token, user_in_db, transfer_coins, get_stats, create_invoice, delete_invoice, \
+	get_invoice
 
 
 #------------------------------------------------------------
@@ -117,6 +118,36 @@ async def get_stats_api(
 		raise HTTPException(status_code=401, detail='Invalid username or token')
 	return await get_stats(token=SYSTEM_API_TOKEN)
 
+@app.post('/api/create_invoice/')
+async def create_invoice_api(
+	username: str = Body(),
+	user_token: str = Body(),
+	amount: float | None = Body(None)
+):
+	if not token_check(username, user_token):
+		raise HTTPException(status_code=401, detail='Invalid username or token')
+	return await create_invoice(token=SYSTEM_API_TOKEN, dst_username=username, amount=amount)
+
+@app.post('/api/delete_invoice/')
+async def delete_invoice_api(
+	username: str = Body(),
+	user_token: str = Body(),
+	id: str = Body()
+):
+	if not token_check(username, user_token):
+		raise HTTPException(status_code=401, detail='Invalid username or token')
+	return await delete_invoice(token=SYSTEM_API_TOKEN, id=id)
+
+@app.post('/api/get_invoice/')
+async def get_invoice_api(
+	username: str = Body(),
+	user_token: str = Body(),
+	id: str = Body()
+):
+	if not token_check(username, user_token):
+		raise HTTPException(status_code=401, detail='Invalid username or token')
+	return await get_invoice(token=SYSTEM_API_TOKEN, id=id)
+
 #------------------------- END ------------------------------