API Reference Guide
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Adjustment
Animation
Auto
parameter
Apply automatic enhancements
description
list
value type
compress | enhance | format | redeye
possible values
autoBackground Removal
Blending
parameter
Set blend alignment
description
list
value type
bottom | center left | middle | right | top
possible values
blend-alignparameter
Specify crop when blend-fit=crop
description
list
value type
bottom | faces | left | right | top
possible values
blend-cropBorder And Padding
parameter
Set inner radius of border
description
integer | list
value type
-
possible values
border-radius-innerColor palette
parameter
Set how many colors to include in palette extraction
description
integer
value type
0 - 16 (6)
possible values
colorsparameter
Specifies output format for palette extraction
description
string
value type
css | json
possible values
paletteparameter
Sets CSS prefix for all classes in palette extraction
description
string
value type
image
possible values
prefixDetection and Blur
parameter
Specify face data to be included for fm=json
description
integer
value type
1
possible values
json-face-dataFill
parameter
Specify color for any transparent image areas
description
color
value type
FFF
possible values
bgparameter
Set how to fill additional space created by fit
description
string
value type
solid | blur
possible values
fillparameter
creates linear gradient
description
color
value type
hex
possible values
fill-gradient-type=linear&fill-gradient-linearparameter
creates radial gradient
description
color
value type
hex
possible values
fill-gradient-type=radial&fill-gradient-radialFocal Point Crop
parameter
Display reticle identifying focal point location
description
boolean
value type
true
possible values
fp-debugparameter
Set the relative horizontal value for focal point
description
unit_scalar
value type
0 - 1 (0.5)
possible values
fp-xparameter
Set the relative vertical value for focal point
description
unit_scalar
value type
0 - 1 (0.5)
possible values
fp-yparameter
Set the relative zoom value for focal point
description
number
value type
1 - 100
possible values
fp-zGenerative Imaging
parameter
Does not include prompt in newly generated bg
description
string
value type
prompt
possible values
bg-replace-neg-promptView all parameters at
docs.imgix.com/apis
docs.imgix.com/apis
Version 2 - Last Updated: May 2025
