Guide for use

• 1-2. Register a Tellus Account
• 1-3. Changing the registration information
• Membership cancellation
• 2-2. Purchasing a product
• 2-3. Using a product
• 2-5. Product payment
• 3-2. Using the development environment
• 3-3. Returning the development environment
• 4-2. Tellus Official's official data API
• 4-3.Tellus Official's official data API (for developers)