Generate high-quality AI videos using Kling v2.5 with pro-only 1080p output and end frame support.

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Model

kuaishou/kling-2.5

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Parameters

ParameterTypeRequiredDefaultDescription
promptstringYes*-Text description. *Required for text-to-video, optional for image-to-video
start_image_urlstringNo-Start frame URL (enables image-to-video)
end_image_urlstringNo-End frame URL
durationintegerNo55 or 10 seconds
aspect_ratiostringNo"16:9""16:9", "9:16", "1:1". Text-to-video only
modestringNo"pro"Pro only
audiobooleanNofalseGenerate audio for the output video

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Example - Text-to-Video

curl -X POST https://api.unifically.com/v1/tasks \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "kuaishou/kling-2.5",
    "input": {
      "prompt": "A cinematic timelapse of a city skyline at dusk",
      "duration": 5
    }
  }'

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Example - Image-to-Video with End Frame

curl -X POST https://api.unifically.com/v1/tasks \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "kuaishou/kling-2.5",
    "input": {
      "prompt": "Smooth transition between scenes",
      "start_image_url": "https://example.com/start.jpg",
      "end_image_url": "https://example.com/end.jpg",
      "duration": 5
    }
  }'

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Response

{
  "code": 200,
  "success": true,
  "data": {
    "task_id": "abc123def456",
    "status": "pending"
  }
}

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Pricing

ModePrice
std (720p)$0.025/s
pro (1080p)$0.045/s