Kling v2.1 I2V Pro

curl -X POST "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync" \
  -H "Authorization: Bearer $RUNPOD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "input": {
      "prompt": "A majestic magic dragon breathing fire over an ancient castle",
      "image": "https://example.com/dragon.png",
      "negative_prompt": "",
      "guidance_scale": 0.5,
      "duration": 5,
      "enable_safety_checker": true
    }
  }'

import requests

response = requests.post(
    "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync",
    headers={
        "Authorization": f"Bearer {RUNPOD_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "input": {
            "prompt": "A majestic magic dragon breathing fire over an ancient castle",
            "image": "https://example.com/dragon.png",
            "negative_prompt": "",
            "guidance_scale": 0.5,
            "duration": 5,
            "enable_safety_checker": True,
        }
    },
)

result = response.json()
print(result["output"]["video_url"])

const response = await fetch(
  "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${RUNPOD_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      input: {
        prompt: "A majestic magic dragon breathing fire over an ancient castle",
        image: "https://example.com/dragon.png",
        negative_prompt: "",
        guidance_scale: 0.5,
        duration: 5,
        enable_safety_checker: true,
      },
    }),
  }
);

const result = await response.json();
console.log(result.output.video_url);

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "COMPLETED",
  "delayTime": 30,
  "executionTime": 67890,
  "workerId": "oqk7ao1uomckye",
  "output": {
    "video_url": "https://video.runpod.ai/abc123/output.mp4",
    "cost": 0.36
  }
}

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "FAILED",
  "error": "Invalid image URL"
}

Kling v2.1 I2V Pro is a professional-grade image-to-video model with enhanced visual fidelity. It generates high-quality videos from static images with smooth motion and excellent detail preservation.

Try in playground

Test Kling v2.1 I2V Pro in the Runpod Hub playground.


Endpoint	`https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync`
Pricing	$0.45 per 5 seconds
Type	Video generation

Request

All parameters are passed within the input object in the request body.

string

required

Text description of the desired video motion and content.

string

required

URL of the source image to animate.

string

Elements to exclude from the video.

float

default:"0.5"

How closely to follow the prompt.

integer

default:"5"

Video duration in seconds.

boolean

default:"true"

Enable content safety checking.

curl -X POST "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync" \
  -H "Authorization: Bearer $RUNPOD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "input": {
      "prompt": "A majestic magic dragon breathing fire over an ancient castle",
      "image": "https://example.com/dragon.png",
      "negative_prompt": "",
      "guidance_scale": 0.5,
      "duration": 5,
      "enable_safety_checker": true
    }
  }'

import requests

response = requests.post(
    "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync",
    headers={
        "Authorization": f"Bearer {RUNPOD_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "input": {
            "prompt": "A majestic magic dragon breathing fire over an ancient castle",
            "image": "https://example.com/dragon.png",
            "negative_prompt": "",
            "guidance_scale": 0.5,
            "duration": 5,
            "enable_safety_checker": True,
        }
    },
)

result = response.json()
print(result["output"]["video_url"])

const response = await fetch(
  "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${RUNPOD_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      input: {
        prompt: "A majestic magic dragon breathing fire over an ancient castle",
        image: "https://example.com/dragon.png",
        negative_prompt: "",
        guidance_scale: 0.5,
        duration: 5,
        enable_safety_checker: true,
      },
    }),
  }
);

const result = await response.json();
console.log(result.output.video_url);

Response

string

Unique identifier for the request.

string

Request status. Returns COMPLETED on success, FAILED on error.

integer

Time in milliseconds the request spent in queue before processing began.

integer

Time in milliseconds the model took to generate the video.

string

Identifier of the worker that processed the request.

object

The generation result containing the video URL and cost.

string

URL of the generated video. This URL expires after 7 days.

float

Cost of the generation in USD.

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "COMPLETED",
  "delayTime": 30,
  "executionTime": 67890,
  "workerId": "oqk7ao1uomckye",
  "output": {
    "video_url": "https://video.runpod.ai/abc123/output.mp4",
    "cost": 0.36
  }
}

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "FAILED",
  "error": "Invalid image URL"
}

Video URLs expire after 7 days. Download and store generated videos immediately if you need to keep them.

Cost calculation

Kling v2.1 I2V Pro pricing:

Duration	Cost
5 seconds	$0.45
10 seconds	$0.90

Last modified on October 5, 2026

curl -X POST "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync" \
  -H "Authorization: Bearer $RUNPOD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "input": {
      "prompt": "A majestic magic dragon breathing fire over an ancient castle",
      "image": "https://example.com/dragon.png",
      "negative_prompt": "",
      "guidance_scale": 0.5,
      "duration": 5,
      "enable_safety_checker": true
    }
  }'

import requests

response = requests.post(
    "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync",
    headers={
        "Authorization": f"Bearer {RUNPOD_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "input": {
            "prompt": "A majestic magic dragon breathing fire over an ancient castle",
            "image": "https://example.com/dragon.png",
            "negative_prompt": "",
            "guidance_scale": 0.5,
            "duration": 5,
            "enable_safety_checker": True,
        }
    },
)

result = response.json()
print(result["output"]["video_url"])

const response = await fetch(
  "https://api.runpod.ai/v2/kling-v2-1-i2v-pro/runsync",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${RUNPOD_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      input: {
        prompt: "A majestic magic dragon breathing fire over an ancient castle",
        image: "https://example.com/dragon.png",
        negative_prompt: "",
        guidance_scale: 0.5,
        duration: 5,
        enable_safety_checker: true,
      },
    }),
  }
);

const result = await response.json();
console.log(result.output.video_url);

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "COMPLETED",
  "delayTime": 30,
  "executionTime": 67890,
  "workerId": "oqk7ao1uomckye",
  "output": {
    "video_url": "https://video.runpod.ai/abc123/output.mp4",
    "cost": 0.36
  }
}

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "FAILED",
  "error": "Invalid image URL"
}

Image models

Video models

Text models

Audio models

Try in playground

Request

Response

Cost calculation