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curl --request POST \
--url https://api.modellix.ai/api/v1/kling/kling-v3-t2v/async \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"prompt": "A lone cyclist rides through a neon-lit city street after rain"
}
'{
"code": 0,
"message": "success",
"data": {
"status": "pending",
"task_id": "task-v3-t2v-123",
"model_id": "model-123",
"get_result": {
"method": "GET",
"url": "https://api.modellix.ai/api/v1/tasks/task-v3-t2v-123"
}
}
}Kling V3 text-to-video model using the simplified public single-shot interface with 3-15 second output duration.
curl --request POST \
--url https://api.modellix.ai/api/v1/kling/kling-v3-t2v/async \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"prompt": "A lone cyclist rides through a neon-lit city street after rain"
}
'{
"code": 0,
"message": "success",
"data": {
"status": "pending",
"task_id": "task-v3-t2v-123",
"model_id": "model-123",
"get_result": {
"method": "GET",
"url": "https://api.modellix.ai/api/v1/tasks/task-v3-t2v-123"
}
}
}API Key authentication. Format: Bearer YOUR_API_KEY.
Simplified Kling V3 text-to-video request. The public API only exposes the single-shot prompt-driven interface.
Video generation prompt.
1 - 2500"A lone cyclist rides through a neon-lit city street after rain"
Negative prompt describing undesired elements
1 - 2500"blurry, shaky, low detail"
Audio generation switch.
on, off "off"
Prompt adherence strength between 0.0 and 1.0.
0 <= x <= 10.7
Generation mode.
std, pro "pro"
Video aspect ratio.
16:9, 9:16, 1:1 "16:9"
Video duration in seconds. Public API accepts integer values.
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 6