Double-check your username/password; special characters in passwords can sometimes cause API handshake errors in custom scripts.
You must tap Allow when iOS asks to add VPN configurations; this is required to encrypt your traffic. IPVanish iOS API.svb
If you are seeing "API errors" or using a custom script, consider these troubleshooting steps from IPVanish Support : 🛠️ Common API & Connection Issues 💡 Use
If the app fails, you can manually configure a connection in iOS Settings using IKEv2 credentials . 🛠️ Common API & Connection Issues if a specific server is down
💡 Use the Fastest Available server setting to let the IPVanish API automatically select the best endpoint for your current network. How to Use IPVanish (iOS)
Verify the server status; if a specific server is down, the API request for that endpoint will return an error.
If the app won't connect, a clean install is often the fastest fix—delete the app and redownload it to reset the API configuration.