diff --git a/functions/helpers/customChannels/flexToCustomChannel.private.ts b/functions/helpers/customChannels/flexToCustomChannel.private.ts
index a2b6a8f6..8ff50361 100644
--- a/functions/helpers/customChannels/flexToCustomChannel.private.ts
+++ b/functions/helpers/customChannels/flexToCustomChannel.private.ts
@@ -102,7 +102,8 @@ export const redirectConversationMessageToExternalChat = async (
     const client = context.getTwilioClient();
     useTestApi =
       JSON.parse(
-        (await client.conversations.v1.conversations(ConversationSid).fetch())?.attributes ?? {},
+        (await client.conversations.v1.conversations.get(ConversationSid).fetch())?.attributes ??
+          {},
       ).useTestApi ?? useTestApi;
     const participants = await client.conversations.v1.conversations
       .get(ConversationSid)
diff --git a/functions/webhooks/modica/FlexToModica.protected.ts b/functions/webhooks/modica/FlexToModica.protected.ts
index dd98ccad..ff88aafe 100644
--- a/functions/webhooks/modica/FlexToModica.protected.ts
+++ b/functions/webhooks/modica/FlexToModica.protected.ts
@@ -41,8 +41,8 @@ export type EnvVars = {
   MODICA_APP_NAME: string;
   MODICA_APP_PASSWORD: string;
   CHAT_SERVICE_SID: string;
-  MODICA_SEND_MESSAGE_URL: string;
-  MODICA_TEST_SEND_MESSAGE_URL: string;
+  MODICA_SEND_MESSAGE_URL?: string;
+  MODICA_TEST_SEND_MESSAGE_URL?: string;
 };
 
 export type Body = WebhookEvent & {
@@ -97,7 +97,7 @@ const sendMessageThroughModica =
     ).toString('base64');
     const response = await fetch(
       useTestApi
-        ? context.MODICA_TEST_SEND_MESSAGE_URL
+        ? context.MODICA_TEST_SEND_MESSAGE_URL!
         : context.MODICA_SEND_MESSAGE_URL || DEFAULT_MODICA_SEND_MESSAGE_URL,
       {
         method: 'POST',