DiagramPreview
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OpenAPI to Sequence Diagram

Paste OpenAPI JSON or YAML and turn API operations into a sequence diagram that explains request handling.

Exemplos
Sequence diagramPronto
Your API sequence diagram will appear here.

Como usar

  1. 1Paste source text into the editor.
  2. 2Review the generated visualization.
  3. 3Edit the input and export the rendered SVG or PNG when the diagram looks right.

Casos de uso

API documentation reviewBackend onboardingEndpoint flow explanation

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FAQ

Does this use AI?

No. This tool runs parsing and visualization locally in the browser.

Convert OpenAPI paths into a Mermaid sequence diagram locally.

Paste OpenAPI JSON or YAML and turn API operations into a sequence diagram that explains request handling.

DiagramPreview keeps the workflow editable so you can revise the source and regenerate the visualization quickly.