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Flux Text To Image

POSThttps://api.newportai.com/api/async/flux_text2image

The Flux Text To Image API enables developers to generate high-quality images directly from natural language descriptions. By leveraging advanced AI models to interpret text prompts, it automatically produces high-fidelity visuals—ideal for design automation, content generation, e-commerce, advertising, and game development.

  • Submit a POST request to the Flux Text To Image API to obtain a taskId.
  • Submit a POST request to the Polling API to retrieve the generated image results.
  • Configure a Callback URL to receive results automatically on completion.

Request Headers

Content-Type string Required

Enum: application/json

Authorization string Required

Bearer authentication token. Example: Bearer {{APIKey}}.

Request Body

prompt string Required

A detailed text description of the image to be generated.

width integer Required

The width of the image in pixels. Must be a multiple of 16 (maximum: 1600).

height integer Required

The height of the image in pixels. Must be a multiple of 16 (maximum: 1600).

num integer Optional

The number of images to generate (range: 1–10). Default: 4.

seed integer Optional

Controls the random number generator used during image creation, determining the starting point for the AI model's sampling process. Default: -1 (randomized).

Response

code integer

Returns 0 for success, or a specific error code.

message string

Returns "success" or a descriptive error message.

data object
taskId string

The unique identifier for the task. Use this ID with the Polling API to retrieve the generated output.

Errors

10192Illegal param

Polling

Use the Polling API to retrieve the processing results.

Callback

Alternatively, you can enable Callback to receive task results automatically upon completion.

0Task Completed
{
  "code": 0,
  "message": "success",
  "data": {
    "task": {
      "taskId": "fd39d658e949436182248f1d092e2440",
      "status": 3,
      "taskType": "flux_text2image"
    },
    "images": [
      {
        "imageType": "png",
        "imageUrl": "https://dreamface-resource-cv.oss-us-east-1.aliyuncs.com/aigc-dreamface-flux/2025-06-27/bea4135c8b80e76b.png"
      },
      {
        "imageType": "png",
        "imageUrl": "https://dreamface-resource-cv.oss-us-east-1.aliyuncs.com/aigc-dreamface-flux/2025-06-27/42f5873243dbb6ff.png"
      },
      {
        "imageType": "png",
        "imageUrl": "https://dreamface-resource-cv.oss-us-east-1.aliyuncs.com/aigc-dreamface-flux/2025-06-27/76ecd9d3cfc481c8.png"
      },
      {
        "imageType": "png",
        "imageUrl": "https://dreamface-resource-cv.oss-us-east-1.aliyuncs.com/aigc-dreamface-flux/2025-06-27/5ae27ad21d592dfe.png"
      }
    ]
  }
}
Request
cURL
curl -X POST 'https: //api.newportai.com/api/async/flux_text2image' \
  -H "Authorization: Bearer {{key}}" \
  -H 'Content-Type: application/json' \
  -d '{
  "prompt": "a boy singing",
  "seed": -1,
  "width": 512,
  "height": 512,
  "num": 4
}'
0Successful
{
  "code": 0,
  "message": "success",
  "data": {
    "taskId": "cdcd619445ed4ac499ae7492724bcbc0"
  }
}