import requests

response = requests.post(
    f"https://api.stability.ai/v2beta/audio/stable-audio-2/inpaint",
    headers={"authorization": f"Bearer sk-MYAPIKEY", "accept": "audio/*"},
    files={
        "audio": open("./uk-bass-base.mp3", "rb"),
    },
    data={
        "prompt": "A song in the 3/4 time signature that features cheerful acoustic guitar, live recorded drums, and rhythmic claps, The mood is happy and up-lifting.",
        "output_format": "mp3",
        "duration": 20,
    },
)

if response.status_code == 200:
    with open("./output.mp3", "wb") as file:
        file.write(response.content)
else:
    raise Exception(str(response.json()))

"The bytes of the generated mpeg"

Stable Audio 2

Inpaint

Stable Audio 2.5 transforms existing audio samples into new high-quality compositions up to three minutes long at 44.1kHz stereo using text instructions.

Try it out

Grab your API key and head over to .

How to use

Please invoke this endpoint with a POST request.

The headers of the request must include an API key in the authorization field. The body of the request must be multipart/form-data. The accept header should be set to one of the following:

audio/* to receive the audio in the format specified by the output_format parameter.
application/json to receive the audio encoded as base64 in a JSON response.

The body of the request should include:

prompt - text to generate the audio from
audio - the audio to use as the starting point for the generation

Notes:

We do not allow copyrighted content to be uploaded to our platform.

Maximum request size is 50Mb.

Optional Parameters:

The body may optionally include:

output_format - the format of the output audio
seed - the randomness seed to use for the generation
duration - the number of seconds of the generated audio
steps - the number of sampling steps
mask_start - start time in seconds for the audio segment to be inpainted (e.g., 30.0 for 30.0 seconds)
mask_end - end time in seconds for the audio segment to be inpainted (e.g., 190.0 for 190.0 seconds)

Note: for more details about these parameters please see the request schema below.

Credits

Stable Audio 2.5

Flat rate of 20 credits per successful generation.

As always, you will not be charged for failed generations.

POST

v2beta

audio

stable-audio-2

inpaint

import requests

response = requests.post(
    f"https://api.stability.ai/v2beta/audio/stable-audio-2/inpaint",
    headers={"authorization": f"Bearer sk-MYAPIKEY", "accept": "audio/*"},
    files={
        "audio": open("./uk-bass-base.mp3", "rb"),
    },
    data={
        "prompt": "A song in the 3/4 time signature that features cheerful acoustic guitar, live recorded drums, and rhythmic claps, The mood is happy and up-lifting.",
        "output_format": "mp3",
        "duration": 20,
    },
)

if response.status_code == 200:
    with open("./output.mp3", "wb") as file:
        file.write(response.content)
else:
    raise Exception(str(response.json()))

"The bytes of the generated mpeg"

Authorizations

authorization

string

header

required

Use your Stability API key to authentication requests to this App.

Headers

authorization

string

required

Your Stability API key, used to authenticate your requests. Although you may have multiple keys in your account, you should use the same key for all requests to this API.

Minimum string length: 1

content-type

string

required

The content type of the request body. Do not manually specify this header; your HTTP client library will automatically include the appropriate boundary parameter.

Minimum string length: 1

Example:

"multipart/form-data"

enum<string>

default:audio/*

Specify audio/* to receive the bytes of the audio directly. Otherwise specify application/json to receive the audio as base64 encoded JSON.

Available options:

audio/*,

application/json

stability-client-id

string

The name of your application, used to help us communicate app-specific debugging or moderation issues to you.

Maximum string length: 256

Example:

"my-awesome-app"

stability-client-user-id

string

A unique identifier for your end user. Used to help us communicate user-specific debugging or moderation issues to you. Feel free to obfuscate this value to protect user privacy.

Maximum string length: 256

Example:

"DiscordUser#9999"

stability-client-version

string

The version of your application, used to help us communicate version-specific debugging or moderation issues to you.

Maximum string length: 256

Example:

"1.2.1"

Body

multipart/form-data

prompt

string

required

What you wish the output audio to be. A strong, descriptive prompt that clearly defines instruments, moods, styles, and genre will lead to better results.

You can make a prompt as simple or complex as you like. Simple prompts are good for clean output audio. Complex prompts are good for adding texture and depth to the output audio.

Maximum string length: 10000

audio

file

required

The audio to be use as the starting point for the generation.

Supported Formats:

Validation Rule:

Audio must be between 6 and 190 seconds long

duration

number

default:190

Controls the duration in seconds of the generated audio.

Required range: 1 <= x <= 190

seed

number

default:0

A specific value that is used to guide the 'randomness' of the generation. (Omit this parameter or pass 0 to use a random seed.)

Required range: 0 <= x <= 4294967294

steps

integer

default:8

Controls the number of sampling steps.

Required range: 4 <= x <= 8

output_format

enum<string>

default:mp3

Dictates the content-type of the generated audio.

Available options:

mp3,

wav

mask_start

number

default:30

Required range: 0 <= x <= 190

mask_end

number

default:190

Required range: 0 <= x <= 190

Response

Generation was successful.

The bytes of the generated audio.

The finish-reason and seed will be present as headers.