callBackUrl parameter to receive automatic notifications when generation completes, while still keeping GET /api/v1/jobs/recordInfo polling as a fallback.curl --location --request POST '/api/v1/jobs/createTask' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "runway-gen4-turbo-image-to-video",
"callBackUrl": "https://your-domain.com/api/callback",
"input": {
"image": "https://example.com/image.jpg",
"prompt": "A short product reveal with slow camera movement",
"ratio": "1280:720",
"duration": 10,
"seed": 12345
}
}'{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_runway_gen4_turbo_i2v_1765166238716"
}
}