Create UML Sequence Diagrams with AI
Describe how components interact—API calls, user flows, service messaging—and AI transforms it into a precise UML sequence diagram.
Try Sequence Diagram Maker
AIで図表を即時生成。まずは説明を入力してください。
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Current selected: Sequence Diagram
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Create Sequence Diagrams in 3 Steps
From interaction description to visual timeline
Describe Interactions
Explain how objects, services, or components communicate across time.
AI Generates the Diagram
AI builds a UML-compliant sequence diagram with lifelines, messages, async flows, and responses.
Use in Documentation
Export diagrams for architecture docs, API specs, onboarding, code reviews, or technical design.
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Sequence Diagram Features
Clear visualization for complex system interactions
- UML Standard Compliance
- Diagrams follow official UML notation to ensure clarity and consistency.
- Temporal Flow Clarity
- Vertical timelines make message order and dependencies easy to understand.
- Supports Many Participants
- Visualize interactions across multiple services, components, or external systems.
- Request/Response Modeling
- Different arrow styles distinguish synchronous, asynchronous, and return messages.
Sequence Diagram Maker FAQs
- What systems can I document with sequence diagrams?
API flows, authentication journeys, microservice interactions, user requests, backend processing, and nearly any time-ordered process.
- Can I show async or event-driven operations?
Yes. Describe the async behavior and AI will represent it using appropriate UML arrow styles.
- Is this suitable for API documentation?
Absolutely. Sequence diagrams are one of the clearest ways to visualize REST, GraphQL, or event-driven API flows.
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