happyhorse-1.0-i2v

curl https://api.aisa.one/v1/video/generations \
  -H "Content-Type: application/json" \
  -H 'Authorization: Bearer $AISA_API_KEY' \
  -d '{
    "model": "happyhorse-1.0-i2v",
    "content": [
      {
        "type": "text",
        "text": "Create a first-person POV fruit tea promo video. Use Image 1 as the opening frame, Image 2 as the final hero shot, Video 1 for camera framing, and Audio 1 as background music. Keep the drink label visible and use a female voice for any narration."
      },
      {
        "type": "image_url",
        "image_url": {"url": "https://ark-doc.tos-ap-southeast-1.bytepluses.com/doc_image/r2v_tea_pic1.jpg"},
        "role": "reference_image"
      },
      {
        "type": "image_url",
        "image_url": {"url": "https://ark-doc.tos-ap-southeast-1.bytepluses.com/doc_image/r2v_tea_pic2.jpg"},
        "role": "reference_image"
      },
      {
        "type": "video_url",
        "video_url": {"url": "https://ark-doc.tos-ap-southeast-1.bytepluses.com/doc_video/r2v_tea_video1.mp4"},
        "role": "reference_video"
      },
      {
        "type": "audio_url",
        "audio_url": {"url": "https://ark-doc.tos-ap-southeast-1.bytepluses.com/doc_audio/r2v_tea_audio1.mp3"},
        "role": "reference_audio"
      }
    ],
    "generate_audio": true,
    "ratio": "16:9",
    "duration": 11,
    "watermark": false
  }'

# Use the returned task_id with the video-generation-fetch endpoint to check status.