## Create task
`POST /kling/v1/videos/avatar/image2video`
```bash cURL theme={null}
curl --request POST \
--url https://www.anyfast.ai/kling/v1/videos/avatar/image2video \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"image": "https://example.com/portrait.png",
"audio_id": "932365483050274872",
"prompt": "The person looks at the camera, speaks naturally, and nods gently.",
"mode": "std",
"watermark_info": {"enabled": true}
}'
```
## Request headers
Bearer authentication in the form `Bearer YOUR_API_KEY`.
Data exchange format.
## Request body
Public image URL or raw Base64. Supports JPG, JPEG, and PNG up to 10 MB. Each side must be at least 300 px and the aspect ratio must be between 1:2.5 and 2.5:1. Do not add a data-URI prefix to Base64.
Audio ID produced within the last 30 days. The audio must be 2–300 seconds. Provide exactly one of `audio_id` and `sound_file`.
Public audio URL or raw Base64. Supports MP3, WAV, M4A, and AAC up to 5 MB and 2–300 seconds. Provide exactly one of `sound_file` and `audio_id`.
Optional motion, emotion, and camera direction. Maximum length: 2,500 characters.
Generation mode: `std` or `pro`.
Watermark configuration.
Whether to generate a watermarked result.
Public callback URL for task-status notifications.
## Create response
```json 200 theme={null}
{
"id": "asyntask_6prd3xHk76S1sTivIgGjQzrA4ziDrRCX",
"task_id": "asyntask_6prd3xHk76S1sTivIgGjQzrA4ziDrRCX",
"object": "video",
"model": "kling-v1",
"status": "queued",
"progress": 0,
"created_at": 1790319846
}
```
AnyFast task ID.
AnyFast task ID, identical to `id`.
Returned object type. For this endpoint, `video`.
Underlying request model identifier returned by the endpoint.
Initial AnyFast status. An accepted task returns `queued`.
Initial progress percentage.
Creation time as a Unix timestamp in seconds.
## Query task
`GET /kling/v1/videos/avatar/image2video/{task_id}`
```bash cURL theme={null}
curl --request GET \
--url https://www.anyfast.ai/kling/v1/videos/avatar/image2video/asyntask_6prd3xHk76S1sTivIgGjQzrA4ziDrRCX \
--header 'Authorization: Bearer YOUR_API_KEY'
```
## Request headers and path
Bearer authentication in the form `Bearer YOUR_API_KEY`.
AnyFast task ID returned by avatar creation.
## Response
```json 200 theme={null}
{
"code": 0,
"message": "",
"data": {
"task_id": "asyntask_6prd3xHk76S1sTivIgGjQzrA4ziDrRCX",
"task_status": "succeed",
"task_result": {
"videos": [
{
"url": "https://example.com/digital-human.mp4",
"duration": "5"
}
]
},
"created_at": 1790319846000,
"updated_at": 1790320090000
}
}
```
Business result code. `0` indicates success.
Business message. It can be empty on success.
AnyFast task ID.
Task status: `submitted`, `processing`, `succeed`, or `failed`. Intermediate states can repeat or move between `submitted` and `processing`; treat only `succeed` and `failed` as terminal.
Failure details when the task fails.
Generated video results. Present when the task succeeds.
Generated video URL.
Reported video duration in seconds.
Creation time as a Unix timestamp in milliseconds.
Update time as a Unix timestamp in milliseconds.
## Generate speech
`POST /kling/v1/audio/tts`
```bash cURL theme={null}
curl --request POST \
--url https://www.anyfast.ai/kling/v1/audio/tts \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"text": "Hello, welcome to the AnyFast digital human service.",
"voice_id": "oversea_male1",
"voice_language": "en",
"voice_speed": 1.0
}'
```
## Request headers
Bearer authentication in the form `Bearer YOUR_API_KEY`.
Data exchange format.
## Request body
Text to synthesize. Maximum length: 1,000 characters.
Voice ID from the [Kling AI Voice List](https://docs.qingque.cn/s/home/eZQDvafJ4vXQkP8T9ZPvmye8S?identityId=2E1MlYrrPk4). Its listed language must match `voice_language`.
Voice language. Supported values: `zh`, `en`.
Speech speed from `0.8` through `2.0`, rounded to one decimal place.
## Response
```json 200 theme={null}
{
"code": 0,
"message": "SUCCEED",
"request_id": "request_01J8K7E7H4T7FQ6V6K6A",
"data": {
"task_id": "tts_task_01J8K7E7H4",
"task_status": "succeed",
"task_result": {
"audios": [
{
"id": "932365483050274872",
"url": "https://example.com/generated-speech.mp3",
"duration": "4.067"
}
]
},
"created_at": 1790321772436,
"updated_at": 1790321774387,
"final_unit_deduction": "0.05",
"final_balance_deduction": {
"quota": "0",
"list_price": "0"
}
}
}
```
Business result code. `0` indicates success.
Business result message.
Request identifier for troubleshooting.
TTS task identifier.
TTS status. A successful synchronous request returns `succeed`.
Generated audio results.
Audio ID accepted by avatar and lip-sync APIs.
Generated audio URL.
Audio duration in seconds.
Final Kling unit deduction.
Balance-deduction details returned by the provider.
Creation time as a Unix timestamp in milliseconds.
Update time as a Unix timestamp in milliseconds.