Describe your system in plain English and get a professional UML sequence diagram instantly. Perfect for showing how components interact over time — no markup required.
Generate Sequence DiagramSequence diagrams are one of the most useful ways to document how the parts of a system talk to each other. They show the order of messages between objects, services, or actors over time — making them ideal for API flows, login flows, microservices communication, and business processes.
With ArchGPT you don't need to learn PlantUML, Mermaid, or any diagram syntax. Just type what happens in the order it happens, and our AI builds a clean, accurate sequence diagram for you.
Login, registration, OAuth, JWT token exchanges and password reset flows with clear request/response ordering.
Map how services call each other, where message queues sit, and how data flows through your architecture.
Checkout, payment and order-processing sequences across storefront, payment gateway and warehouse systems.
Show the exact call order between a client, backend, database and third-party APIs — perfect for docs.
Try a prompt: "A user submits a login form. The frontend sends the credentials to the auth API. The auth API verifies them with the database, issues a JWT, and returns it to the frontend."
Everything you need to know about generating sequence diagrams.