Design Complex IntegrationsWithout Writing Code
GU-APE is a zero-barrier, client-side system design studio. Drag, drop, define, and connect nodes to architect any software system visually—cloud services, databases, APIs, and event-driven workflows.
No sign-up required • Runs entirely in your browser • Export to n8n
Build Integrations Visually
Everything you need to design complex system architectures without writing a single line of code
Drag & Drop Nodes
Browse and drag nodes from Triggers, Actions, Logic, and Data Transformation categories onto your infinite canvas workspace.
Define Parameters
Click any node to configure its identity and parameters. Set queries, define schemas, and build conditional logic visually.
Visual Connections
Draw cables between node ports to create complex data flows. Support for multi-branch routing and parallel processing.
Multi-Layer Design
Design integrations spanning Cloud SaaS, On-Premise, and Event/Message layers. Visualize how systems connect across architecture boundaries.
Architecture Validation
Built-in checking for design flaws including infinite loops, disconnected inputs, and missing error branches. Highlight issues before deployment.
Export to n8n
Compile your visual design into standard n8n workflow JSON. Push directly to your execution engine or export for manual deployment.
How It Works
From concept to deployment-ready architecture in four simple steps
Choose Your Nodes
Browse the searchable component library. Select triggers, actions, logic, and data transformation nodes for your system.
Define Parameters
Click any node to open the Define panel. Configure connection details, set conditional logic, and mock data schemas.
Connect & Route
Draw visual cables between node inputs and outputs. Create parallel branches for complex workflows and error handling paths.
Export & Deploy
Run architecture validation, export to n8n JSON, or push directly to your n8n instance for instant deployment.
Infinite Canvas forUnlimited Possibilities
The workspace adapts to your needs. Zoom, pan, and organize nodes freely. Encapsulate complex subsystems into macro nodes for clean top-level views. Every change auto-saves to your browser cookies.
- Auto-save to browser cookies
- Multiple design workspaces
- JSON export & import
- Schema mocking for visual data preview

Interactive Canvas Preview
Zero Backend
100% Client-Side
Ready to Design Your First Integration?
Join the growing community of system designers using GU-APE to visualize complex architectures. No sign-up, no limits—just pure creative freedom.
