Rendering API
- Adjustment
- Animation
- Automatic
- Blending
- Border & Padding
- Color Palette
- Expiration
- Face Detection
- Fill
- Focal Point Crop
- Format
- Mask Image
- Noise Reduction
- Pixel Density
- Rotation
- Size
- Stylize
- Text
- Trim
- Typesetting Endpoint
- Watermark
Text Leading txt-lead
Controls the leading (or line spacing) in a multi-line text image output by the Typesetting Endpoint.
The default is 0, which corresponds to approximately 120% line height. Negative values are not allowed.
txt-lead=10 
See the API specification for more information about this parameter's value ranges and format.