The Squarespace Developer Platform empowers coders to extensively customize their version 7.0 websites beyond standard Site Styles options. This guide covers essential information for developers considering this advanced tool.

Requirements and Capabilities

The platform is designed for users with advanced coding knowledge, specifically:

• HTML
• Less CSS
• JSON-T
• GitHub
• Web development experience

With developer mode, you can:

• Create custom 7.0 site templates
• Modify existing 7.0 templates
• Access template markup, stylesheets, and scripts

Limitations:

• Cannot create or modify 7.1 sites
• No access to CMS content
• Cannot add server-side code
• Cannot modify default scripts/styles
• No block or cover page customization

Important Considerations

When activating developer mode:

• Demo content will be removed
• Template switching is disabled
• No template updates from Squarespace
• Platform-wide updates continue

Disabling Developer Mode Effects:

• All custom code is removed
• Site reverts to default Squarespace styles
• Custom layouts and integrations stop working
• Navigation menus reset
• Custom blog post types revert to defaults
• Sidebar, header, and footer customizations disappear

Plan Requirements:

• Requires Business plan or higher
• Available during trial period
• Restricted functionality on Personal plan

Authentication:

• Users with two-factor authentication need to create an app password
• Social network login users must create app password

Support:

• Basic platform assistance available
• No custom code troubleshooting
• Developer forum available for community support
• Documentation provided at developers.squarespace.com

It's recommended to backup all custom code locally before making any changes to developer mode status or plan type.

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