Kling V2.1 Master Image to Video

video Kling price on request

Request

POST https://app.video-blade.com/api/v1/generations
X-API-Key: vb_…
Content-Type: application/json

{
  "callback_url": "https://your-app.example/callbacks/video-blade",
  "input": {
    "image_url": "\u2026",
    "prompt": "\u2026"
  },
  "model": "kling-v2-1-master-image-to-video"
}

Input parameters

Name	Type	Required	Description
`prompt`	string	required	The text prompt describing the video to generate (Max length: 5000 characters)
`image_url`	string	required	URL of the image to be used for the video (File URL after upload, not file content; Accepted types: image/jpeg, image/png; Max size: 10.0MB)
`duration`	string	optional	The duration of the generated video in seconds Values: `5`, `10` Default: `5`
`negative_prompt`	string	optional	Negative prompt to exclude certain elements from the video (Max length: 500 characters)
`cfg_scale`	number	optional	The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt (Min: 0, Max: 1, Step: 0.1) (step: 0.1) Default: `0.5`

Pricing

Price on request; the charge is settled from actual consumption with the video coefficient ×2.0. See Pricing & tokens.