diff --git a/pddnsc/outputs/vscale.py b/pddnsc/outputs/vscale.py
index bbfd8fb..e8863bc 100644
--- a/pddnsc/outputs/vscale.py
+++ b/pddnsc/outputs/vscale.py
@@ -8,13 +8,20 @@ from pddnsc.base import BaseOutputProvider
 
 class VscaleDomains(BaseOutputProvider):
     def post_init(self):
-        self.__token = self.get_api_token()
-        if not self.__token:
+        token = self.get_api_token()
+        if not token:
             raise KeyError("no api token, use env VSCALE_API_TOKEN")
-        target = self.config["target"]
-        self.domain = self.config["domain"]
-        self.target = f"{target}.{self.domain}"
+        self.__headers = {"X-Token": token}
+        self.api_base = self.config.get("api_base", "https://api.vscale.io/v1/")
         self.ttl = self.config.get("ttl", 300)
+        self.domain = self.config["domain"]
+        target = self.config["target"]
+        self.target = f"{target}.{self.domain}"
+
+        self.save_ipv4 = self.config.get("ipv4", False)
+        self.save_ipv6 = self.config.get("ipv6", False)
+        if "ipv4" not in self.config and "ipv6" not in self.config:
+            self.save_ipv4 = self.save_ipv6 = True
 
     def get_api_token(self) -> str:
         token_env = self.config.get("api_token_env", "VSCALE_API_TOKEN")
@@ -90,23 +97,19 @@ class VscaleDomains(BaseOutputProvider):
             )
 
     async def set_addrs_imp(self, source_provider, addr_v4, addr_v6):
-        save_ipv4 = self.config.get("ipv4", False)
-        save_ipv6 = self.config.get("ipv6", False)
-        if "ipv4" not in self.config and "ipv6" not in self.config:
-            save_ipv4 = save_ipv6 = True
-
         save_addrs = []
-        if addr_v4 and save_ipv4:
+        if addr_v4 and self.save_ipv4:
             save_addrs.append(("A", addr_v4))
 
-        if addr_v6 and save_ipv6:
+        if addr_v6 and self.save_ipv6:
             save_addrs.append(("AAAA", addr_v6))
 
         transport = self.best_transport(addr_v4, addr_v6)
-        api_base = self.config.get("api_base", "https://api.vscale.io/v1/")
-        headers = {"X-Token": self.__token}
         async with httpx.AsyncClient(
-            transport=transport, base_url=api_base, headers=headers, http2=True
+            transport=transport,
+            base_url=self.api_base,
+            headers=self.__headers,
+            http2=True,
         ) as client:
             domain_id = await self.find_domain_id(client)
             for record_type, value in save_addrs: