---
title: RealVisXL V4.0 API | Text to Image | ModelsLab
description: Generate images from text with RealVisXL V4.0. High-resolution AI image generation. Pay-per-use. Free tier.
url: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/realvisxl-v40.md
canonical: https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/realvisxl-v40.md
type: product
component: Playground/Endpoint/Index
generated_at: 2026-05-13T12:23:19.075829Z
---

[![RealVisXL V4.0 thumbnail](https://assets.modelslab.ai/api-logos/01KPMZY676ZM0Z7YJWBM9C78QP.png)](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab)RealVisXL V4.0
---

[by ModelsLab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab)This image captures a scene rendered in the realism style, highlighting the intricate details and lifelike quality that define this artistic approach.

`realvisxl-v40`

Open Source Model [Unlimited Usage](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) [LLMs.txt](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/realvisxl-v40/llms.txt)

[API Playground](/models/modelslab/realvisxl-v40) [API Documentation](/models/modelslab/realvisxl-v40/api)Vibe CodeRelated ModelsDeveloper SupportModel SpecsEnterprise Deployment

Input
---

prompt 

R3alisticF, hauntingly beautiful oriental necromancer, long flowing brown hair, bangs, darkly tanned skin, earrings, bone necklaces, dark eyeshadow, red lips, vibrant, front-laced transparent, filmy silk blouse, cleavage, holding skull, in a sandstone room lit by candles, High Detail, Perfect Composition, high contrast, silhouetted, chiascuro

Model 

lora Model 

Select models...

Width 

Height 

Advanced Settings Customize your input with more control.

Configure

Add FundsLogin to Generate

**Per image generation** will cost **0.0047$** 
**For premium plan image generation** will cost **0.00$** i.e **Free.**

Output
---

Idle

Unknown content type

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About RealVisXL V4.0
---

This image captures a scene rendered in the realism style, highlighting the intricate details and lifelike quality that define this artistic approach.

### Technical Specifications

Model IDrealvisxl-v40ProviderModelslabTaskAI GenerationPrice$0.0047 per API callAddedJune 6, 2024

### Quick Start

Integrate RealVisXL V4.0 into your application with a single API call. Get your API key from the [pricing page](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing) to get started.

PythonJavaScriptcURLPHP

```
<code>import requests
import json

url = "https://modelslab.com/api/v6/images/text2img"

headers = {
    "Content-Type": "application/json"
}

data = {
        "model_id": "realvisxl-v40",
        "prompt": "your prompt here",
        "key": "YOUR_API_KEY"
    }

try:
    response = requests.post(url, headers=headers, json=data)
    response.raise_for_status()  # Raises an HTTPError for bad responses (4XX or 5XX)
    result = response.json()
    print("API Response:")
    print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
    print(f"Other error occurred: {err}")</code>
```

View the [full API documentation](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab/realvisxl-v40/api) for SDKs, code examples in Python, JavaScript, and more.

### Pricing

RealVisXL V4.0 API costs $0.0047 per API call. Pay only for what you use with no minimum commitments. [View pricing plans](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing)

[Browse All Models](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models) [More from Modelslab](https://modelslab-frontend-v2-927501783998.us-east4.run.app/models/modelslab) [View Pricing](https://modelslab-frontend-v2-927501783998.us-east4.run.app/pricing)

RealVisXL V4.0 FAQ
---

### What is RealVisXL V4.0?

This image captures a scene rendered in the realism style, highlighting the intricate details and lifelike quality that define this artistic approach.

### How do I use the RealVisXL V4.0 API?

You can integrate RealVisXL V4.0 into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "realvisxl-v40" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

### How much does RealVisXL V4.0 cost?

RealVisXL V4.0 costs $0.0047 per API call. ModelsLab uses pay-per-use pricing with no minimum commitments. A free tier is available to get started.

### What is the RealVisXL V4.0 model ID?

The model ID for RealVisXL V4.0 is "realvisxl-v40". Use this ID in your API requests to specify this model.

### Does RealVisXL V4.0 have a free tier?

Yes, ModelsLab offers a free tier that lets you try RealVisXL V4.0 and other AI models. Sign up to get free API credits and start building immediately.

---

*This markdown version is optimized for AI agents and LLMs.*

**Links:**
- [Website](https://modelslab.com)
- [API Documentation](https://docs.modelslab.com)
- [Blog](https://modelslab.com/blog)

---
*Generated by ModelsLab - 2026-05-13*