Wild APIs

mermaid.ink

FreeLiveLast verified 29 Sept 2026
Renders Mermaid flowcharts, sequence and Gantt diagrams from a URL to SVG, PNG/JPEG/WebP or PDF.

Example request

curl -s -o diagram.svg 'https://mermaid.ink/svg/pako:eNpNkM9qwzAMh19F6NRB8wI5DNak7aWwwXqLexCxUpvNf3AURkny7rNbynaTPn0_ITRjHzRjjddE0cC5VR7grWtMsqM4Gi9QVa_LkQVc8HxbYLc5BhhNiNH660uxd0WBZj4ViUGM9V9rGTT37LvnBdruRFFCvPzx809YYN_ZD5MX_-cmcU4cuoHqgaqeEjSUsqBECW7RcXJkdT55LiGFYtixwjqXmgeavkWh8mtWp6hJeK-thIS1pIm3SJOEz5vvn_3DaS3lB7gHXH8BFrFcZw'

Free tier, in plain English

Free and keyless: put an encoded diagram in the URL and embed the image. Can be self-hosted from the Docker image.

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