curl --request POST \
--url https://api.modellix.ai/api/v1/kling/kling-v2.1-master-i2v/async \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"image": "https://example.com/night-city.jpg"
}
'
{
"code": 0,
"message": "success",
"data": {
"status": "pending",
"task_id": "task-i2v006",
"model_id": "model-123",
"get_result": {
"method": "GET",
"url": "https://api.modellix.ai/api/v1/tasks/task-i2v006"
}
}
}The recommended high-quality image-to-video model in the V2.1 series, producing studio-grade 1080p videos with precise start and end frame control.
POST
/
kling-v2.1-master-i2v
/
async
curl --request POST \
--url https://api.modellix.ai/api/v1/kling/kling-v2.1-master-i2v/async \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"image": "https://example.com/night-city.jpg"
}
'
{
"code": 0,
"message": "success",
"data": {
"status": "pending",
"task_id": "task-i2v006",
"model_id": "model-123",
"get_result": {
"method": "GET",
"url": "https://api.modellix.ai/api/v1/tasks/task-i2v006"
}
}
}Documentation Index
Fetch the complete documentation index at: https://docs.modellix.ai/llms.txt
Use this file to discover all available pages before exploring further.
Authorizations
API Key authentication. Format: Bearer YOUR_API_KEY.
Body
application/json
Starting frame image URL or Base64
Example:
"https://example.com/image.jpg"
Ending frame image URL or Base64
Example:
"https://example.com/end.jpg"
Video generation prompt
Required string length:
1 - 2500Example:
"Bustling night city with neon lights"
Negative prompt
Required string length:
1 - 2500Example:
"daytime, bright"
Generation mode: std or pro
Available options:
std, pro Example:
"pro"
Video duration in seconds
Available options:
5, 10 Example:
10
⌘I