Network error
# support
r
Hi, I’m trying to configure a webhook connection with VAPI but it is not sending, while clicking the test button it shows an error message Network error: Unable to connect to the server. This could be due to CORS restrictions, the server being down, or network connectivity issues. https://cdn.discordapp.com/attachments/1358777834436300984/1358777835153784965/IMG_7882.jpg?ex=67f513f8&is=67f3c278&hm=8d150bb90448b755a2a1f43054544eba43f3148a7f8e22db12a02829df7860fe&
v
Hi there! šŸ‘‹ I see you're having trouble with a network error while trying to configure a webhook connection with VAPI. I can't see the specific details of your setup from the error message alone, but I can definitely help you troubleshoot this network error based on the information you've provided. Let me walk you through some troubleshooting steps to resolve this issue: ## Check Your Server URL Configuration First, verify that the webhook URL is correctly configured in VAPI: - Ensure the server URL you've entered in the VAPI Dashboard is correct and accessible from outside your network - Confirm the URL format is correct (should start with
https://
and not include "https" twice) ## Troubleshoot CORS Restrictions The error mentions CORS restrictions as a possible cause: - If you're using a custom server, you may need to configure CORS headers at the server level - According to [VAPI documentation](https://discord.com/channels/1211482211119796234/1211483291191083018/threads/1342210515883261952), custom headers need to be configured at the server level, not directly in the tool configuration ## Check If Your Server Is Down To verify if your server is running properly: - Check your server logs for errors or intermittent downtime - Try to manually access your webhook endpoint using tools like Postman or cURL - Ensure your local server is running on the expected port ## Network Connectivity Troubleshooting For general network connectivity issues: - Verify that your network allows outgoing connections to
api.vapi.ai
- Check if there are any firewalls blocking the connection - Ensure you have a stable internet connection - Try connecting from a different network to rule out local network issues ## Additional Steps - Simplify your webhook configuration to test basic connectivity - Check that your endpoint is a
POST
endpoint, as [VAPI requires](https://docs.vapi.ai/server-url/developing-locally)
- If using a local server, consider using ngrok to expose it publicly with the command
ngrok http {your_port}
Would you be able to share more details about your specific setup so I can provide more targeted assistance? Sources: - [VAPI Webhook Configuration](https://discord.com/channels/1211482211119796234/1211483291191083018/threads/1335932034518089741) - [CORS Restrictions Troubleshooting](https://discord.com/channels/1211482211119796234/1211483291191083018/threads/1342210515883261952) - [Server Status Checking](https://discord.com/channels/1211482211119796234/1211483291191083018/threads/1334280135683084328) - [Network Connectivity Issues](https://discord.com/channels/1211482211119796234/1211483291191083018/threads/1334889631333875793) - [VAPI Local Development](https://docs.vapi.ai/server-url/developing-locally)
p
Hey, could you share your server URL or tool call ID so I could take a look in the logs if I find anything?
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