Kling I2V Pro
Kling I2V Pro is an image-to-video generation API that transforms image and prompts into high-quality, creative videos.
Features
- High-Quality Video Generation: Create detailed and visually appealing videos from text descriptions
- Customizable Parameters: Control video length, quality, and style with various parameters
- Fast Processing: Efficient generation of videos with optimized processing times
- HTTP API Access: Simple integration via RESTful API endpoints
Authentication
For authentication details, please refer to the Authentication Guide.
API Endpoints
Submit Task
Submit a task to generate a video from text using the Kling T2V Standard API.
curl --location --request POST 'https://api.wavespeed.ai/api/v2/wavespeed-ai/kling-v1.6-i2v-pro' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data-raw '{
"prompt": "a beautiful landscape",
"negative_prompt": "poor quality, blurry",
"cfg_scale": 0.5,
"duration": "5"
}'Query Result
Check the status and retrieve the result of a previously submitted task.
curl --location --request GET 'https://api.wavespeed.ai/api/v2/predictions/{request_id}/result' \
--header 'Authorization: Bearer YOUR_API_KEY'Parameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| image | string | Yes | "" | - | Image URL |
| prompt | string | No | "" | - | Prompt text to guide video generation |
| negative_prompt | string | No | "" | - | Negative prompt to specify what to avoid in the video |
| cfg_scale | float | No | 0.5 | 0.0 ~ 1.0 | Guidance scale for generation |
| duration | string | No | ”5” | - | Video duration in seconds, only 5s supported |
Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data.id | string | Unique identifier for the prediction, Task Id |
| data.model | string | Model ID used for the prediction (e.g., wavespeed-ai/wan-2.1/t2v-480p) |
| data.outputs | array | Array of URLs to the generated content (empty when status is not completed) |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.has_nsfw_contents | array | Array of boolean values indicating NSFW detection for each output |
| data.status | string | Status of the task: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created |
| data.error | string | Error message (empty if no error occurred) |
| data.executionTime | integer | Execution time in milliseconds |
Result Query Parameters
Result Request Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| id | string | Yes | - | Task ID |
Result Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data | object | The prediction data object containing all details |
| data.id | string | Unique identifier for the prediction |
| data.model | string | Model ID used for the prediction (e.g., wavespeed-ai/wan-2.1/t2v-480p) |
| data.outputs | array | Array of URLs to the generated content (empty when status is not completed) |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.has_nsfw_contents | array | Array of boolean values indicating NSFW detection for each output |
| data.status | string | Status of the task: created, processing, completed, or failed |
| data.created_at | string | ISO timestamp of when the request was created |
| data.error | string | Error message (empty if no error occurred) |
| data.executionTime | integer | Execution time in milliseconds |