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The client provides a convenient way to interact with the model API.
npm install --save @fal-ai/clientSet FAL_KEY as an environment variable in your runtime.
export FAL_KEY="YOUR_API_KEY"The client API handles the API submit protocol. It will handle the request status updates and return the result when the request is completed.
import { fal } from "@fal-ai/client";
const result = await fal.subscribe("fal-ai/boogu-image/edit", {
input: {
prompt: "Change the background to a sunny garden while preserving the person.",
image_url: "https://storage.googleapis.com/falserverless/example_inputs/flux2_dev_edit_input.png"
},
logs: true,
onQueueUpdate: (update) => {
if (update.status === "IN_PROGRESS") {
update.logs.map((log) => log.message).forEach(console.log);
}
},
});
console.log(result.data);
console.log(result.requestId);The API uses an API Key for authentication. It is recommended you set the FAL_KEY environment variable in your runtime when possible.
import { fal } from "@fal-ai/client";
fal.config({
credentials: "YOUR_FAL_KEY"
});The client API provides a convenient way to submit requests to the model.
import { fal } from "@fal-ai/client";
const { request_id } = await fal.queue.submit("fal-ai/boogu-image/edit", {
input: {
prompt: "Change the background to a sunny garden while preserving the person.",
image_url: "https://storage.googleapis.com/falserverless/example_inputs/flux2_dev_edit_input.png"
},
webhookUrl: "https://optional.webhook.url/for/results",
});You can fetch the status of a request to check if it is completed or still in progress.
import { fal } from "@fal-ai/client";
const status = await fal.queue.status("fal-ai/boogu-image/edit", {
requestId: "764cabcf-b745-4b3e-ae38-1200304cf45b",
logs: true,
});Once the request is completed, you can fetch the result. See the Output Schema for the expected result format.
import { fal } from "@fal-ai/client";
const result = await fal.queue.result("fal-ai/boogu-image/edit", {
requestId: "764cabcf-b745-4b3e-ae38-1200304cf45b"
});
console.log(result.data);
console.log(result.requestId);Some attributes in the API accept file URLs as input. Whenever that's the case you can pass your own URL or a Base64 data URI.
You can pass a Base64 data URI as a file input. The API will handle the file decoding for you. Keep in mind that for large files, this alternative although convenient can impact the request performance.
You can also pass your own URLs as long as they are publicly accessible. Be aware that some hosts might block cross-site requests, rate-limit, or consider the request as a bot.
We provide a convenient file storage that allows you to upload files and use them in your requests. You can upload files using the client API and use the returned URL in your requests.
import { fal } from "@fal-ai/client";
const file = new File(["Hello, World!"], "hello.txt", { type: "text/plain" });
const url = await fal.storage.upload(file);Read more about file handling in our file upload guide.
prompt string* requiredThe edit instruction describing how to transform the input image. Boogu-Image supports English and Chinese instructions.
image_url string* requiredURL of the input image to edit.
negative_prompt stringDescribes what should NOT appear in the edited image. Used for classifier-free guidance; leave empty to disable text negative guidance. Default value: ""
The output size. If omitted, the edited image follows the input image aspect ratio while respecting the model's 2K native limit.
Possible enum values: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9
Note: For custom image sizes, you can pass the width and height as an object:
"image_size": {
"width": 1280,
"height": 720
}num_inference_steps integerThe number of denoising steps to perform. Default value: 30
guidance_scale floatControls how closely the edit follows the text instruction. Higher values stick more closely to the prompt. Default value: 4
image_guidance_scale floatReference-image guidance strength. A value of 1.0 disables image CFG; higher values preserve the input image more strongly. Default value: 1
cfg_range_start floatStart of the timestep fraction over which CFG is applied.
cfg_range_end floatEnd of the timestep fraction over which CFG is applied. Default value: 1
num_images integerThe number of edited images to generate. Default value: 1
seed integerThe same seed, prompt, and input image given to the same version of the model will output the same image every time.
enable_safety_checker booleanIf true, the safety checker is run on the input and output images. Disabling it requires account authorization; unauthorized requests are always checked, and images flagged as unsafe are returned as black images. Default value: true
output_format OutputFormatEnumThe format of the generated image. Default value: "jpeg"
Possible enum values: jpeg, png
sync_mode booleanIf true, the media is returned as a data URI and the output is not available in the request history.
{
"prompt": "Change the background to a sunny garden while preserving the person.",
"image_url": "https://storage.googleapis.com/falserverless/example_inputs/flux2_dev_edit_input.png",
"num_inference_steps": 30,
"guidance_scale": 4,
"image_guidance_scale": 1,
"cfg_range_end": 1,
"num_images": 1,
"enable_safety_checker": true,
"output_format": "jpeg"
}The generated images.
seed integer* requiredSeed of the generated Image. It will be the same value of the one passed in the input or the randomly generated that was used in case none was passed.
Whether the generated images contain NSFW concepts.
prompt string* requiredThe prompt used for generating the image.
{
"images": {
"width": 1024,
"content_type": "image/jpeg",
"height": 1024,
"url": "https://storage.googleapis.com/falserverless/example_outputs/boogu_image_t2i.jpeg"
},
"prompt": ""
}url string* requiredwidth integer* requiredheight integer* requiredcontent_type stringDefault value: "image/jpeg"
width integerThe width of the generated image. Default value: 512
height integerThe height of the generated image. Default value: 512