Kling Sound - PiAPI

This is the api for Kling's Sound, $0.07 for each generation(4 outputs) for PPU.

There are two generation methods: text to audio, add audio to video.

For text to audio method, you need to provide text prompt and duration(5s/10s) for generation. The output will be 4 mp3 files.

For add audio to video method, you can add audio to your generated kling video, thus need to provide the origin task id of the video generation. The output will be 4 mp4 files.

Request

Header Params

x-api-key

string

required

you api key

Body Params application/json

model

enum<string>

required

should be kling

Allowed value:

kling

Default:

kling

task_type

enum<string>

required

should be sound

Allowed value:

sound

Default:

effects

input

object

required

the input param of the task

prompt

string

optional

text prompt used to generate audio, only needed in text to audio generation.

duration

enum<integer>

optional

duration of output audio, only needed in text to audio generation. Default as 10

Allowed values:

510

Default:

origin_task_id

string

optional

the task id for kling video generation

config

object

optional

webhook_config

object

optional

Webhook provides timely task notifications. Check PiAPI webhook for detail.

service_mode

enum<string>

optional

This allows users to choose whether this specific task will get processed under PAYG or HYA mode. If unspecified, then this task will get processed under whatever mode (PAYG or HYA)
the user chose on the workspace setting of your account.

public means this task will be processed under PAYG mode.

private means this task will be processed under HYA mode.

Allowed values:

publicprivate

Examples

text to audioadd audio to video

{
    "model": "kling",
    "task_type": "sound",
    "input": {
        "prompt": "The audio contains the sound of a lively violin playing a marching tune.",
        "duration": 10
    },
    "config": {
        "service_mode": "public",
        "webhook_config": {
            "endpoint": "https://webhook.site/29649907-dab6-40f5-b059-b11b7a81fec1",
            "secret": ""
        }
    }
}

Request samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

Responses

🟢200Success

application/json

Body

object {0}

Example

{
    "timestamp": 1751439504,
    "data": {
        "task_id": "f8dacb0f-c786-4f8a-beb2-d435a343c928",
        "model": "kling",
        "task_type": "sound",
        "status": "completed",
        "config": {
            "service_mode": "public",
            "webhook_config": {
                "endpoint": "https://webhook.site/29649907-dab6-40f5-b059-b11b7a81fec1",
                "secret": ""
            }
        },
        "input": {
            "duration": 10,
            "prompt": "The audio contains the sound of a lively violin playing a marching tune."
        },
        "output": {
            "type": "kwave_txt2audio",
            "status": 99,
            "works": [
                {
                    "content_type": "audio",
                    "status": 99,
                    "type": "kwave_txt2audio",
                    "cover": {
                        "resource": "https://s21-kling.klingai.com/kimg/EMXN1y8qSQoGdXBsb2FkEg55bGFiLXN0dW50LXNncBova2xpbmcvYXVkaW8tcmVzb3VyY2UvYXVkaW8tY292ZXIvY292ZXItMngtNi5wbmc.origin?x-kcdn-pid=112372",
                        "resource_without_watermark": "",
                        "height": 414,
                        "width": 414,
                        "duration": 0
                    },
                    "video": {
                        "resource": "",
                        "resource_without_watermark": "",
                        "height": 0,
                        "width": 0,
                        "duration": 0
                    },
                    "audio": {
                        "resource": "https://v21-kling.klingai.com/bs2/upload-ylab-stunt-sgp/se/ai_portal_sgp_kwave_txt2audio/fada6732-7c31-4960-aff5-ef2ea45e0abc_audio_mp3.mp3?x-kcdn-pid=112372",
                        "resource_without_watermark": "https://storage.theapi.app/videos/283410775300625.mp3",
                        "height": 414,
                        "width": 414,
                        "duration": 10057
                    }
                },
                {
                    "content_type": "audio",
                    "status": 99,
                    "type": "kwave_txt2audio",
                    "cover": {
                        "resource": "https://s21-kling.klingai.com/kimg/EMXN1y8qSQoGdXBsb2FkEg55bGFiLXN0dW50LXNncBova2xpbmcvYXVkaW8tcmVzb3VyY2UvYXVkaW8tY292ZXIvY292ZXItMngtMy5wbmc.origin?x-kcdn-pid=112372",
                        "resource_without_watermark": "",
                        "height": 414,
                        "width": 414,
                        "duration": 0
                    },
                    "video": {
                        "resource": "",
                        "resource_without_watermark": "",
                        "height": 0,
                        "width": 0,
                        "duration": 0
                    },
                    "audio": {
                        "resource": "https://v21-kling.klingai.com/bs2/upload-ylab-stunt-sgp/se/ai_portal_sgp_kwave_txt2audio/c9347cf8-f240-4b3e-b864-9db6ee9bdcde_audio_mp3.mp3?x-kcdn-pid=112372",
                        "resource_without_watermark": "https://storage.theapi.app/videos/283410775305628.mp3",
                        "height": 414,
                        "width": 414,
                        "duration": 10057
                    }
                },
                {
                    "content_type": "audio",
                    "status": 99,
                    "type": "kwave_txt2audio",
                    "cover": {
                        "resource": "https://s21-kling.klingai.com/kimg/EMXN1y8qSQoGdXBsb2FkEg55bGFiLXN0dW50LXNncBova2xpbmcvYXVkaW8tcmVzb3VyY2UvYXVkaW8tY292ZXIvY292ZXItMngtMi5wbmc.origin?x-kcdn-pid=112372",
                        "resource_without_watermark": "",
                        "height": 414,
                        "width": 414,
                        "duration": 0
                    },
                    "video": {
                        "resource": "",
                        "resource_without_watermark": "",
                        "height": 0,
                        "width": 0,
                        "duration": 0
                    },
                    "audio": {
                        "resource": "https://v21-kling.klingai.com/bs2/upload-ylab-stunt-sgp/se/ai_portal_sgp_kwave_txt2audio/b7ed5a41-7fa5-442e-a75e-2cd5ef494b92_audio_mp3.mp3?x-kcdn-pid=112372",
                        "resource_without_watermark": "https://storage.theapi.app/videos/283410775306630.mp3",
                        "height": 414,
                        "width": 414,
                        "duration": 10057
                    }
                },
                {
                    "content_type": "audio",
                    "status": 99,
                    "type": "kwave_txt2audio",
                    "cover": {
                        "resource": "https://s21-kling.klingai.com/kimg/EMXN1y8qSQoGdXBsb2FkEg55bGFiLXN0dW50LXNncBova2xpbmcvYXVkaW8tcmVzb3VyY2UvYXVkaW8tY292ZXIvY292ZXItMngtMy5wbmc.origin?x-kcdn-pid=112372",
                        "resource_without_watermark": "",
                        "height": 414,
                        "width": 414,
                        "duration": 0
                    },
                    "video": {
                        "resource": "",
                        "resource_without_watermark": "",
                        "height": 0,
                        "width": 0,
                        "duration": 0
                    },
                    "audio": {
                        "resource": "https://v21-kling.klingai.com/bs2/upload-ylab-stunt-sgp/se/ai_portal_sgp_kwave_txt2audio/82561761-b10e-498b-9af3-73824edbc2dc_audio_mp3.mp3?x-kcdn-pid=112372",
                        "resource_without_watermark": "https://storage.theapi.app/videos/283410775306633.mp3",
                        "height": 414,
                        "width": 414,
                        "duration": 10057
                    }
                }
            ]
        },
        "meta": {
            "created_at": "2025-07-02T06:54:49.26273132Z",
            "started_at": "2025-07-02T06:54:49.971638303Z",
            "ended_at": "2025-07-02T06:58:24.599459321Z",
            "usage": {
                "type": "point",
                "frozen": 700000,
                "consume": 700000
            },
            "is_using_private_pool": false
        },
        "detail": null,
        "logs": [],
        "error": {
            "code": 0,
            "raw_message": "",
            "message": "",
            "detail": null
        }
    }
}