curl -X POST 'https://devapi.pika.art/generate/2.1/i2v' \
-H 'X-API-KEY: your_api_key' \
-H 'Accept: application/json' \
-F '[email protected];type=image/jpg' \
-F 'promptText=The person is dancing gracefully' \
-F 'negativePrompt=blurry, low quality' \
-F 'seed=12345'

{
  "video_id": "<string>"
}