The image to expand. Use a URL or an uploadID as the source for the image. Firefly only allows these listed domains for input URLs in the request:
amazonaws.comwindows.netdropboxusercontent.comstorage.googleapis.comRequired. Selected areas of a background image that Firefly uses to fill the source image.
OptionalnegativeAvoid prompt
An optional text prompt up to 1024 characters. Avoid these characteristics in the generated image. Not supported for Firefly Custom Models on Image Model 3 or Firefly Custom Models on Image Model 4.
OptionalnumThe number of variations
Generate this number of variations. numVariations defaults to the number of seed images, or to 1 if you do not specify seeds.
OptionalpromptThe prompt
An optional text prompt up to 1024 characters. The longer the prompt the better Firefly performs.
OptionalpromptThe locale used to generate an image
A hyphen-separated string combining the ISO 639-1 language code and the ISO 3166-1 region, such as en-US. When a locale is set, the prompt will be biased to generate more relevant content for that region. The locale will be auto-detected if not specified based on your profile and the accepted language header.
OptionalseedsThe seed of each variation
Array of seed image IDs. These reference images help ensure consistent image generation across multiple API calls. For example, you can use the same seed to generate a similar image with different styles. If specified along with numVariations, the number of seeds must equal numVariations.
OptionalsizeThe size
The desired width and height for the final expanded image in pixels. The supported sizes for the output images are:
Fill images payload