V Express

V-Express lets you create portrait videos from single images.

~196.18s
~$0.263
PlaygroundAPI
Pricing
 1import requests
 2import json
 3
 4url = "https://api.segmind.com/v1/v-express"
 5headers = {
 6    "x-api-key": "YOUR_API_KEY",
 7    "Content-Type": "application/json"
 8}
 9
10data = {
11    "input_image": "https://segmind-sd-models.s3.amazonaws.com/display_images/v_express/v-express-ip.jpg",
12    "input_audio": "https://segmind-sd-models.s3.amazonaws.com/display_images/v_express/v_express_audio.mp3",
13    "fps": 30,
14    "num_inference_steps": 20,
15    "guidance_scale": 2,
16    "retarget_strategy": "fix_face",
17    "base64": false
18}
19
20response = requests.post(url, headers=headers, json=data)
21
22if response.status_code == 200:
23    result = response.json()
24    print(json.dumps(result, indent=2))
25else:
26    print(f"Error: {response.status_code}")
27    print(response.text)

API Endpoint

POSThttps://api.segmind.com/v1/v-express

Parameters

input_audiorequired
string (uri)

Input audio file. Avoid special symbol in the filename as it may cause ffmpeg erros.

input_imagerequired
string (uri)

Input image of a talking-head.

Default: "https://segmind-sd-models.s3.amazonaws.com/display_images/v_express/v-express-ip.jpg"
base64optional
boolean

Base64 encoding of the output image.

Default: false
fpsoptional
integer

Output frames per second.

Default: 30Range: 10 - 60
guidance_scaleoptional
integer

Scale for classifier-free guidance

Default: 2Range: 1 - 15
num_inference_stepsoptional
integer

Number of steps to generate.

Default: 20Range: 5 - 50
retarget_strategyoptional
string

Retarget Strategy.

Default: "fix_face"
Allowed values :
"fix_face""no_retarget""offset_retarget""naive_retarget"

Response Type

Returns: Video

Common Error Codes

The API returns standard HTTP status codes. Detailed error messages are provided in the response body.

400

Bad Request

Invalid parameters or request format

401

Unauthorized

Missing or invalid API key

403

Forbidden

Insufficient permissions

404

Not Found

Model or endpoint not found

406

Insufficient Credits

Not enough credits to process request

429

Rate Limited

Too many requests

500

Server Error

Internal server error

502

Bad Gateway

Service temporarily unavailable

504

Timeout

Request timed out