curl --request POST \
--url https://api.vidgo.ai/api/generate/submit \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "kwaivgi/kling-video/v1.6/standard/text-to-video",
"input": {
"prompt": "A quiet forest in morning light, with a slow camera pan.",
"duration": 5
}
}
'{
"code": 200,
"data": {
"task_id": "task-unified-example",
"status": "running",
"created_time": "2026-09-10T08:00:00"
}
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}Request timeout{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}Kling
Kling 1.6 Standard Text to Video
Kling 1.6 Standard Text to Video parameters and billing factors.
POST
/
api
/
generate
/
submit
curl --request POST \
--url https://api.vidgo.ai/api/generate/submit \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "kwaivgi/kling-video/v1.6/standard/text-to-video",
"input": {
"prompt": "A quiet forest in morning light, with a slow camera pan.",
"duration": 5
}
}
'{
"code": 200,
"data": {
"task_id": "task-unified-example",
"status": "running",
"created_time": "2026-09-10T08:00:00"
}
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}Request timeout{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}{
"detail": "<string>"
}- After submission, a
task_idwill be returned. If you provided acallback_url, when the task status becomesfinishedorfailed, a POST request will be sent to thecallback_url. - Regardless of whether
callback_urlis provided, you can retrieve the result through the unified Query Task Status endpoint.
kwaivgi/kling-video/v1.6/standard/text-to-video.
Input modes
This endpoint generates videos from text prompts.Parameters
Place generation parameters insideinput. Keep model and optional callback_url at the request root. Unsupported input fields are rejected before credits are deducted.
| Parameter | Requirement | Description |
|---|---|---|
prompt | Required | Required nonblank string, at most 2,500 Unicode characters after trimming. |
duration | Required | Required integer: 5 or 10 seconds. No API default. |
aspect_ratio | Optional | Optional: 1:1, 16:9 or 9:16. No API default. |
negative_prompt | Optional | Optional string, at most 2,500 Unicode characters. |
cfg_scale | Optional | Optional finite number from 0 to 1. No API default. |
Billing Factors
Billing depends on the selected model tier (Standard or Pro) and video duration (duration). Usage is charged per generated second. Within a tier, text-to-video, first-frame animation, and Elements use the same rate.
Credits are deducted on submission and refunded if the task fails.Authorizations
Use VIDGO_API_KEY.
Body
application/json
Keep model and callback_url at the root. Unknown root fields are ignored; unsupported input fields are rejected.
Example:
"kwaivgi/kling-video/v1.6/standard/text-to-video"
Input parameters for generation.
Show child attributes
Show child attributes
Optional public HTTP(S) endpoint for task completion notifications. HTTPS is recommended. Omit, use null, or use an empty string to disable callbacks.