Kling 4.0

Authorization: Bearer sk_live_your_api_key
Content-Type: application/json

curl --fail-with-body https://api.seevio.ai/v1/videos/generations \
  -H "Authorization: Bearer $SEEVIO_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling-4-0",
  "input": {
    "prompt": "A cat surfing at sunset, cinematic lighting",
    "duration": 5,
    "resolution": "720p",
    "generation_type": "text-to-video"
  }
}'

{
  "taskId": "3f2aK9mR7xQp4TnZ8bLc6YwH",
  "credits": 65
}

{
  "taskId": "3f2aK9mR7xQp4TnZ8bLc6YwH",
  "credits": 65
}

curl --fail-with-body https://api.seevio.ai/v1/videos/generations \
  -H "Authorization: Bearer $SEEVIO_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling-4-0",
  "input": {
    "prompt": "A cat surfing at sunset, cinematic lighting",
    "duration": 5,
    "resolution": "720p",
    "generation_type": "text-to-video"
  }
}'

curl --fail-with-body https://api.seevio.ai/v1/videos/generations \
  -H "Authorization: Bearer $SEEVIO_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling-4-0",
  "input": {
    "prompt": "A cat surfing at sunset, cinematic lighting",
    "duration": 5,
    "resolution": "720p",
    "generation_type": "image-to-video",
    "image_urls": [
      "https://example.com/first.jpg"
    ]
  }
}'

curl --fail-with-body https://api.seevio.ai/v1/videos/generations \
  -H "Authorization: Bearer $SEEVIO_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling-4-0",
  "input": {
    "prompt": "",
    "duration": 5,
    "resolution": "720p",
    "generation_type": "image-to-video",
    "image_urls": [
      "https://example.com/first.jpg",
      "https://example.com/last.jpg"
    ]
  }
}'

curl --fail-with-body https://api.seevio.ai/v1/videos/generations \
  -H "Authorization: Bearer $SEEVIO_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling-4-0",
  "input": {
    "prompt": "A time-lapse of a rose opening. Keep the camera still and the light soft as the petals unfold.",
    "duration": 8,
    "resolution": "720p",
    "generation_type": "image-to-video",
    "image_urls": [
      "https://example.com/rose-bud.jpg",
      "https://example.com/rose-full-bloom.jpg"
    ],
    "keyframe_urls": [
      "https://example.com/rose-opening.jpg",
      "https://example.com/rose-half-open.jpg"
    ]
  }
}'

curl --fail-with-body https://api.seevio.ai/v1/videos/generations \
  -H "Authorization: Bearer $SEEVIO_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling-4-0",
  "input": {
    "prompt": "Animate @Image1 with the movement of @Video1 and ambience from @Audio1.",
    "duration": 5,
    "resolution": "720p",
    "generation_type": "reference-to-video",
    "image_urls": [
      "https://example.com/character.jpg"
    ],
    "video_urls": [
      "https://example.com/motion.mp4"
    ],
    "audio_urls": [
      "https://example.com/surf.mp3"
    ],
    "keep_original_sound": false
  }
}'

curl --fail-with-body https://api.seevio.ai/v1/tasks/3f2aK9mR7xQp4TnZ8bLc6YwH \
  -H "Authorization: Bearer $SEEVIO_API_KEY"

{
  "id": "3f2aK9mR7xQp4TnZ8bLc6YwH",
  "created_at": 1788652800,
  "model": "kling-4-0",
  "is_draft": false,
  "draft_task_id": null,
  "status": "completed",
  "billing_status": "charged",
  "credits": 65,
  "failed_reason": null,
  "data": {
    "results": [
      "https://cdn.seevio.ai/api/videos/example.mp4"
    ],
    "video_expires_at": "2026-09-07T00:00:00Z",
    "last_frame_url": null,
    "processing_time": 48
  }
}

{
  "id": "3f2aK9mR7xQp4TnZ8bLc6YwH",
  "created_at": 1788652800,
  "model": "kling-4-0",
  "is_draft": false,
  "draft_task_id": null,
  "status": "failed",
  "billing_status": "refunded",
  "credits": 65,
  "failed_reason": "provider_failed"
}

curl --fail-with-body https://api.seevio.ai/v1/videos/generations \
  -H "Authorization: Bearer $SEEVIO_API_KEY" \
  -H "Content-Type: application/json" \
  --data '{
  "model": "kling-4-0",
  "input": {
    "prompt": "A cat surfing at sunset, cinematic lighting",
    "duration": 5,
    "resolution": "720p",
    "generation_type": "text-to-video"
  },
  "callback_url": "https://example.com/webhooks/seevio"
}'

{
  "id": "3f2aK9mR7xQp4TnZ8bLc6YwH",
  "created_at": 1788652848,
  "model": "kling-4-0",
  "status": "completed",
  "task_created_at": 1788652800,
  "billing_status": "charged",
  "credits": 65,
  "failed_reason": null,
  "data": {
    "results": [
      "https://cdn.seevio.ai/api/videos/example.mp4"
    ],
    "video_expires_at": "2026-09-07T00:00:00Z",
    "last_frame_url": null,
    "processing_time": 48
  }
}

{
  "id": "3f2aK9mR7xQp4TnZ8bLc6YwH",
  "created_at": 1788652848,
  "model": "kling-4-0",
  "status": "failed",
  "task_created_at": 1788652800,
  "billing_status": "refunded",
  "credits": 65,
  "failed_reason": "provider_failed",
  "credits_refunded": 65
}

export async function POST(request: Request) {
  const callbackData = await request.json();

  if (callbackData.status === "completed") {
    const videoUrls = callbackData.data.results;
    // Save the video URLs and mark this task as completed in your application.
    console.log(callbackData.id, videoUrls);
  }

  if (callbackData.status === "failed") {
    const { failed_reason, credits_refunded } = callbackData;
    // Record the failure reason and refunded credits for this task.
    console.error(callbackData.id, failed_reason, credits_refunded);
  }

  return new Response(null, { status: 200 });
}