curl --request POST \
  --url https://api.modelbeam.srv1069417.hstgr.cloud/api/v1/client/prompt/video \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'prompt=<string>' \
  --form 'negative_prompt=<string>' \
  --form image='@example-file'

{
  "prompt": "<string>",
  "negative_prompt": "<string>"
}