kling-v2-1-master

Text to Video
Image to Video

Create task

POST /kling/v1/videos/text2video

cURL

curl --request POST \
  --url https://www.anyfast.ai/kling/v1/videos/text2video \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
    "model_name": "kling-2.1-master",
    "prompt": "A train crosses a snow-covered valley",
    "negative_prompt": "blurry, distorted",
    "duration": "5",
    "mode": "pro",
    "aspect_ratio": "16:9",
    "watermark_info": {"enabled": false}
  }'

200

{"id":"860260753860210752","task_id":"860260753860210752","object":"video","model":"kling-v2-1-master","status":"","progress":0,"created_at":1773130665}

string

required

Must be kling-2.1-master.

string

required

Positive prompt, up to 2,500 characters.

string

Content to avoid, up to 2,500 characters.

string

default:"std"

std for 720p or pro for 1080p.

string

default:"5"

5 or 10 seconds.

string

default:"16:9"

16:9, 9:16, or 1:1.

object

Set enabled to request an additional watermarked result.

Query task by ID

GET /kling/v1/videos/text2video/{task_id}

cURL

curl --request GET \
  --url https://www.anyfast.ai/kling/v1/videos/text2video/TASK_ID \
  --header 'Authorization: Bearer YOUR_API_KEY'

Create task

POST /kling/v1/videos/image2video

cURL

curl --request POST \
  --url https://www.anyfast.ai/kling/v1/videos/image2video \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
    "model_name": "kling-2.1-master",
    "image": "https://example.com/frame.png",
    "prompt": "Snow begins to fall around the subject",
    "duration": "5",
    "mode": "pro",
    "watermark_info": {"enabled": false}
  }'

200

{"id":"860260753860210752","task_id":"860260753860210752","object":"video","model":"kling-v2-1-master","status":"","progress":0,"created_at":1773130665}

string

required

Must be kling-2.1-master.

string

required

Start-frame URL or raw Base64.

string

Positive prompt, up to 2,500 characters.

string

Negative prompt, up to 2,500 characters.

string

default:"std"

std for 720p or pro for 1080p.

string

default:"5"

5 or 10 seconds.

object

Set enabled to request an additional watermarked result.

Image requirements

Use a public URL or raw Base64 without a data URI prefix. JPG, JPEG, and PNG are supported. Files must be no larger than 10 MB, both sides at least 300 px, and the aspect ratio between 1:2.5 and 2.5:1.

Kling 2.1 Master does not support image_tail; provide only image.

Query task by ID

GET /kling/v1/videos/image2video/{task_id}

cURL

curl --request GET \
  --url https://www.anyfast.ai/kling/v1/videos/image2video/TASK_ID \
  --header 'Authorization: Bearer YOUR_API_KEY'

Task result

string

required

Use the ID returned by the matching create endpoint.

Task status is submitted, processing, succeed, or failed. Successful output is in data.task_result.videos; failure details are in data.task_status_msg. Result items contain id, url, watermark_url, and duration.

200

{
  "code": 0,
  "message": "SUCCEED",
  "request_id": "request-id",
  "data": {
    "task_id": "task-id",
    "task_status": "succeed",
    "task_status_msg": "",
    "watermark_info": {"enabled": false},
    "task_result": {"videos": [{"id": "video-id", "url": "https://example.com/result.mp4", "watermark_url": "", "duration": "5"}]},
    "final_unit_deduction": "string",
    "final_balance_deduction": {"quota": "string", "list_price": "string"},
    "created_at": 1722769557708,
    "updated_at": 1722769657708
  }
}

Generated result URLs are removed after 30 days. Save the files promptly.

This Legacy model does not support an end frame, audio, specified voices, multi-shot, motion brush, camera control, or cfg_scale.

Overview

Native Compatible Endpoints

Model APIs

kling-v2-1-master

Create task

Query task by ID

Create task

Image requirements

Query task by ID

Task result

​Create task

​Query task by ID

​Create task

​Image requirements

​Query task by ID

​Task result

Create task

Query task by ID

Create task

Image requirements

Query task by ID

Task result