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The client provides a convenient way to interact with the model API.
npm install --save @fal-ai/clientThe @fal-ai/serverless-client package has been deprecated in favor of @fal-ai/client. Install the new package and update your imports — see client setup.
Set 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("easel-ai/easel-avatar", {
input: {
face_image_0: "https://images.easelai.com/avatar_fal/male/male.png",
gender_0: "male",
prompt: "at the Met Gala, dressed in very fancy outfits, captured in a full body shot"
},
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"
});When running code on the client-side (e.g. in a browser, mobile app or GUI applications), make sure to not expose your FAL_KEY. Instead, use a server-side proxy to make requests to the API. For more information, check out our server-side integration guide.
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("easel-ai/easel-avatar", {
input: {
face_image_0: "https://images.easelai.com/avatar_fal/male/male.png",
gender_0: "male",
prompt: "at the Met Gala, dressed in very fancy outfits, captured in a full body shot"
},
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("easel-ai/easel-avatar", {
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("easel-ai/easel-avatar", {
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);The client will auto-upload the file for you if you pass a binary object (e.g. File, Data).
Read more about file handling in our file upload guide.
The face image with which the scene is generated.
gender_0 UsergenderEnum* requiredThe gender of the person in the face image
Possible enum values: male, female, non-binary
(Optional) The second face image used to generate a two-person scene.
gender_1 SecondusergenderEnumThe gender of the person in the second face image Default value: "female"
Possible enum values: male, female, non-binary
prompt string* requiredThe prompt to generate the scene
style OutputStyleEnumThe style of the generated image. Hyperrealistic-likeness: preserves more likeness including hair styles; hyperrealistic: ideal for fun and creative scenes; Realistic: photorealistic with good text rendering; Stylistic: softer, more artistic Default value: "hyperrealistic-likeness"
Possible enum values: hyperrealistic-likeness, hyperrealistic, realistic, stylistic
{
"face_image_0": "https://images.easelai.com/avatar_fal/male/male.png",
"gender_0": "male",
"face_image_1": "https://images.easelai.com/avatar_fal/female/female.png",
"gender_1": "female",
"prompt": "at the Met Gala, dressed in very fancy outfits, captured in a full body shot",
"style": "hyperrealistic-likeness"
}The generated avatar image
{
"image": {
"url": "https://images.easelai.com/avatars_example.jpg"
}
}url string* requiredThe URL where the file can be downloaded from.
content_type stringThe mime type of the file.
file_name stringThe name of the file. It will be auto-generated if not provided.
file_size integerThe size of the file in bytes.
file_data stringFile data
width integerThe width of the image in pixels.
height integerThe height of the image in pixels.