How Can We Help?
Send us a message and we'll get back to you as soon as we can.
Find Answers Fast
Most questions are answered in our User Guide: setting up your GST-ID, contacts, calls, translation, your plan and more. iPhone, iPad and Windows, in 8 languages.
We're Here to Help
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Email Directly
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User Guide
Step-by-step help for iPhone, iPad and Windows. Read the User Guide or download the PDF (8 languages).
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Delete Your Account
In the GSTNet app, go to Settings → Account → Delete Account. Deletion is permanent. You can also email us from your registered address with the subject "Account Deletion Request" and your GST-ID.
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Account Recovery Limitations
If you've permanently lost access to your registered email and credentials, please read our Account Recovery Limitations section before contacting us — in most cases, we are not able to bypass this.
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Legal & Privacy Questions
For privacy-specific requests, see our Privacy Policy or Legal page for the right contact path.
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Response Time
We aim to respond within a few business days. Enterprise, government, and military inquiries may take longer depending on the nature of the request.