NightVis Lightning SDXL

NightVis Lightning SDXL is a lightning-fast text-to-image generation model. It can generate high-quality 1024px images in a few steps.

~3.96s
~$0.008
PlaygroundAPI
Pricing
 1import requests
 2import json
 3
 4url = "https://api.segmind.com/v1/sdxl1.0-nightvis-lightning"
 5headers = {
 6    "x-api-key": "YOUR_API_KEY",
 7    "Content-Type": "application/json"
 8}
 9
10data = {
11    "prompt": "a young 25 y.o. beautiful nymph holding a tortoiseshell cat, realistic heterochromia eyes, looking into camera, gloving red hair, photorealistic, dynamic lighting, sparkles, colorful flame, atmospheric scene, medieval style, (masterpiece, top quality, best quality, official art, beautiful and aesthetic:1.2), depth of field, 8k quality, extreme detailed, colorful, award-winning masterpiece",
12    "negative_prompt": "(octane render, render, drawing, anime, bad photo, bad photography:1.3), (worst quality, low quality, blurry:1.2), (bad teeth, deformed teeth, deformed lips), (bad anatomy, bad proportions:1.1), (deformed iris, deformed pupils), (deformed eyes, bad eyes), (deformed face, ugly face, bad face), (deformed hands, bad hands, fused fingers), morbid, mutilated, mutation, disfigured",
13    "samples": 1,
14    "scheduler": "DPM++ SDE",
15    "num_inference_steps": 10,
16    "guidance_scale": 1,
17    "seed": 9985638,
18    "img_width": 1024,
19    "img_height": 1024,
20    "base64": false
21}
22
23response = requests.post(url, headers=headers, json=data)
24
25if response.status_code == 200:
26    result = response.json()
27    print(json.dumps(result, indent=2))
28else:
29    print(f"Error: {response.status_code}")
30    print(response.text)

API Endpoint

POSThttps://api.segmind.com/v1/sdxl1.0-nightvis-lightning

Parameters

promptrequired
string

Prompt to render

base64optional
boolean

Base64 encoding of the output image.

Default: false
guidance_scaleoptional
number

Scale for classifier-free guidance

Default: 1.4Range: 1 - 25
img_heightoptional
integer

Can only be 1024 for SDXL

Default: 1024
Allowed values :
1024
img_widthoptional
integer

Can only be 1024 for SDXL

Default: 1024
Allowed values :
1024
negative_promptoptional
string

blur, noisy, disfigured

num_inference_stepsoptional
integer

Number of denoising steps.

Default: 8Range: 1 - 100
samplesoptional
integer

Number of samples to generate.

Default: 1Range: 1 - 4
scheduleroptional
string

Type of scheduler.

Default: "DPM++ SDE"
Allowed values (29 total):
"DPM++ SDE Karras""DPM++ 2M Karras""DPM++ 2M SDE Karras""DPM++ 2M SDE Heun Karras""DPM++ 3M SDE Karras""LMS Karras""DPM2 Karras""DPM2 a Karras""DPM++ 2S a Karras""DPM++ 2M SDE Exponential"+19 more
seedoptional
integer

Seed for image generation.

Default: -1Range: -1 - 999999999999999

Response Type

Returns: Text/JSON

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