Diagrams.so
FreemiumLiveLast verified 24 Sept 2026
Turns natural-language prompts into editable cloud-architecture diagrams (draw.io XML/SVG).
Example request
curl -s -H 'Authorization: Bearer $API_KEY' 'https://api.diagrams.so/api/v2/meta/diagram-types'
Free tier, in plain English
Free plan gives 5 credits a month for generating/editing diagrams, while reading and exporting existing diagrams stays free.
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