Create Video From Text

April 18, 2025

Table of contents

  1. Request Headers
  2. Request Body
  3. Responses
  4. Model
  5. Examples
  6. Try It

This endpoint generates a video based on a text prompt.

https://api.useapi.net/v1/kling/videos/text2video

Request Headers 
Authorization: Bearer {API token}
Content-Type: application/json
# Alternatively you can use multipart/form-data
# Content-Type: multipart/form-data
Request Body 
{
  "email": "[email protected]",
  "prompt": "A majestic mountain landscape with snow-capped peaks and flowing rivers",
  "negative_prompt": "people, buildings, text, low quality",
  "cfg_scale": 0.5,
  "duration": "5",
  "model_name": "kling-v1-6",
  "aspect_ratio": "16:9",
  "mode": "pro",
  "replyUrl": "https://your-callback-url.com/webhook",
  "replyRef": "your-reference-id"
}

  • email is optional when only one account configured.
    However, if you have multiple accounts configured, this parameter becomes required.

  • prompt is required, the text description of the video to generate.
    Maximum length: 2500 characters.

  • negative_prompt is optional, what not to include in the generated video.
    Maximum length: 2500 characters.

  • cfg_scale is optional, guidance scale for text-to-video generation.
    Range: 0 to 1. Default: 0.5.

  • duration is optional, length of the video in seconds.
    Options: 5 (default) or 10.

  • model_name is optional, the AI model version to use.
    Options: kling-v1-5, kling-v1-6 (default), kling-v2-0.

  • aspect_ratio is optional, the video aspect ratio.
    Options: 16:9 (default), 9:16, 1:1.

  • mode is optional, quality level.
    Options: std (standard, default) or pro (higher quality, slower generation).

  • maxJobs is optional, range from 1 to 10.
    Specifies the maximum number of concurrent jobs.

  • replyUrl is optional, a callback URL to receive results when completed.

  • replyRef is optional, a reference identifier for the callback.

Note: When using model_name kling-v2-0, the parameters cfg_scale, duration, mode, and camera_control_enabled are not supported.

Responses

  • 200 OK

    {
  "id": 12345678,
  "created": 1712345678000,
  "status": "submitted",
  "status_final": false,
  "type": "m2v_txt2video_hq",
  "taskInfo": {
    "arguments": [
      {
        "name": "prompt",
        "value": "A majestic mountain landscape with snow-capped peaks and flowing rivers"
      },
      {
        "name": "negative_prompt",
        "value": "people, buildings, text, low quality"
      },
      {
        "name": "cfg",
        "value": 0.5
      },
      {
        "name": "duration",
        "value": "5"
      },
      {
        "name": "kling_version",
        "value": "1.6"
      },
      {
        "name": "aspect_ratio",
        "value": "16:9"
      }
    ]
  },
  "scheduled": true
}

  • 400 Bad Request

    {
  "error": "Parameter prompt is required"
}

  • 401 Unauthorized

    {
  "error": "Unauthorized",
  "code": 401
}

When successful, the response includes a task ID which can be used to check the status using GET /tasks/{task_id}.

Model 
{ // TypeScript, all fields are optional
  id: number          // Task ID
  created: number     // Creation timestamp in milliseconds
  status: string      // Task status: "submitted", "processing", "failed", or "succeed"
  status_final: boolean // Whether this is the final status of the task
  type: string        // Task type ("m2v_txt2video" or "m2v_txt2video_hq")
  taskInfo: {
    arguments: Array<{
      name: string    // Argument name
      value: string   // Argument value
    }>
  }
  scheduled: boolean  // Whether the task is scheduled
}
Examples 
  • curl -X POST "https://api.useapi.net/v1/kling/videos/text2video" \
   -H "Content-Type: application/json" \
   -H "Authorization: Bearer …" \
   -d '{
     "email": "[email protected]",
     "prompt": "A majestic mountain landscape with snow-capped peaks and flowing rivers",
     "negative_prompt": "people, buildings, text, low quality",
     "model_name": "kling-v1-6",
     "aspect_ratio": "16:9",
     "mode": "pro"
   }'

  • const token = "API token";
const email = "Previously configured account email";
const apiUrl = "https://api.useapi.net/v1/kling/videos/text2video"; 
const response = await fetch(apiUrl, {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": `Bearer ${token}`,
  },
  body: JSON.stringify({
    email: email,
    prompt: "A majestic mountain landscape with snow-capped peaks and flowing rivers",
    negative_prompt: "people, buildings, text, low quality",
    model_name: "kling-v1-6",
    aspect_ratio: "16:9",
    mode: "pro"
  })
});
const result = await response.json();
console.log("response", {response, result});

  • import requests
token = "API token"
email = "Previously configured account email"
apiUrl = "https://api.useapi.net/v1/kling/videos/text2video"
headers = {
    "Content-Type": "application/json", 
    "Authorization" : f"Bearer {token}"
}
data = {
    "email": email,
    "prompt": "A majestic mountain landscape with snow-capped peaks and flowing rivers",
    "negative_prompt": "people, buildings, text, low quality",
    "model_name": "kling-v1-6",
    "aspect_ratio": "16:9",
    "mode": "pro"
}
response = requests.post(apiUrl, headers=headers, json=data)
print(response, response.json())
Try It