Visual API Reference
Render Mermaid diagrams, source code, code diffs, and event timelines to SVG, PNG, ASCII, and Unicode formats. Choose an endpoint below for the full technical specification.
/visual/v1/render-diagram
Render Mermaid diagrams to SVG, PNG, ASCII, or Unicode. 5 diagram types, 15 themes, custom colors.
/visual/v1/render-code
Render source code with Shiki syntax highlighting. 100+ languages, VS Code themes, line highlighting.
/visual/v1/render-code-diff
Render before/after code comparisons with diff highlighting. Green/red line colouring, just 1 credit per request.
/visual/v1/render-timeline
Render event timelines as SVG or PNG infographics. Vertical or horizontal layout, up to 50 events.
/visual/v1/render-chem
Render SMILES strings to base64 SVG or base64 PNG molecular diagrams. Optional atom highlights and weights heatmap overlay.
/visual/v1/render-chem-reaction
Render chemical reaction schemes (reactants → products) as SVG or PNG diagrams. Supports reaction SMILES or structured input.
SWAGGER DEMO
Demo endpoints are available only for interactive Swagger testing on this website. They are not production endpoints and cannot be called directly from external clients.
/visual/render-diagram-demo
Render Diagram demo in Swagger UI with a separate demo OpenAPI specification.
/visual/render-code-demo
Render Code demo in Swagger UI with a separate demo OpenAPI specification.
/visual/render-code-diff-demo
Render Code Diff demo in Swagger UI with a separate demo OpenAPI specification.
/visual/render-timeline-demo
Render Timeline demo in Swagger UI with a separate demo OpenAPI specification.
/visual/render-chem-demo
Render Chem demo in Swagger UI with a separate demo OpenAPI specification.
/visual/render-chem-reaction-demo
Render Chem Reaction demo in Swagger UI with a separate demo OpenAPI specification.