API & Microservices Documentation
Technical
sequence

Create API Interaction Diagrams with AI

Describe your REST endpoints, GraphQL operations, microservice flows, webhooks, or callback logic—AI instantly transforms it into a structured API interaction diagram for technical documentation.

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Try API Interaction Diagram

Erstellen Sie Ihr Diagramm sofort mit KI. Geben Sie einfach eine Beschreibung ein.

Beispiele:

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Sequence Diagram

Current selected: Sequence Diagram

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Document APIs in 3 Steps

From API description to sequence diagram

01

Describe Your API Flow

Explain the sequence of API requests, responses, services involved, and any backend interactions.

02

AI Generates the Diagram

AI constructs a UML sequence diagram showing endpoints, client-server interactions, timing, and async events.

03

Use in Documentation

Export diagrams for API docs, engineering onboarding, architecture design, or integration planning.

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Built for Modern API Development

Document complex systems with clarity

Request-Response Visualization
Display how clients interact with services through well-structured request and response sequences.
Authentication Flows
Illustrate OAuth, API key validation, JWT flow, token exchange, and session logic.
Error Handling Paths
Show retry logic, fallback flows, and error responses for robust system documentation.
Microservice Communication
Map internal service-to-service calls, queues, event buses, and distributed interactions.

API Interaction Diagram FAQs

Can I show both REST and GraphQL APIs?

Yes. Describe your endpoints, queries, mutations, or subscriptions and AI will map them into the sequence diagram.

How do I represent webhooks and callbacks?

Describe the triggering event and callback behavior—AI will represent it using async lifelines and arrows.

Can I include database queries?

Yes. Include your database as a participant and describe queries, updates, or transactions.

How do I document API gateways or load balancers?

Mention their role in the flow and AI will place them in the correct sequence between the client and backend.

Can I show versioned APIs?

Yes. You can annotate calls with version labels or create separate diagrams per API version.