Licensing
Manage your CadNic license, activations, and devices.
License Key Format
All CadNic license keys follow this format:
SS-XXXX-XXXX-XXXX-XXXX- 16 characters from an unambiguous alphabet:
ABCDEFGHJKMNPQRSTUVWXYZ23456789 - Case-insensitive (lowercase input is automatically converted to uppercase)
- Never expires (perpetual license model)
Activation Limits
| Tier | Max Activations | Notes |
|---|---|---|
| Free | 1 | Single device, no transfers |
| Pro | 3 | Transfer allowed (deactivate first) |
| Enterprise | Unlimited | Contact sales for custom limits |
Activating a License
Via Desktop App
- Launch CadNic
- Enter your license key on the activation screen
- Click Activate
- Confirmation appears with device name and activation timestamp
Via API
Send a POST request to /api/v1/licenses/activate:
{
"license_key": "SS-XXXX-XXXX-XXXX-XXXX",
"device_id": "unique-device-identifier",
"device_name": "My Workstation"
}Deactivating a License
Deactivate a license when:
- Switching to a new device
- Selling or disposing of a device
- Troubleshooting activation issues
Via Desktop App
- Open CadNic settings
- Navigate to License tab
- Click Deactivate
- Confirm the action
Via API
Send a POST request to /api/v1/licenses/deactivate:
{
"license_key": "SS-XXXX-XXXX-XXXX-XXXX",
"device_id": "unique-device-identifier"
}Recovering a Lost License
If you’ve lost your license key:
- Visit the account portal
- Enter the email used during purchase
- Your license key will be emailed to you
Info: License recovery only works if you provided an email during purchase. For anonymous purchases, contact support with your order ID.
Transferring a License
To transfer a license to a new device:
- Deactivate on the old device first
- Activate on the new device
- Confirmation email sent to registered email (if applicable)
Warning: Free tier licenses cannot be transferred. Upgrade to Pro for transfer capability.
Next Steps
- Activation Guide — Detailed activation troubleshooting
- API Reference: Licenses — Programmatic license management
- Upgrade to Pro — Unlock more activations and transfers