AI Image Generation API Guide 2025

This comprehensive guide walks you through everything you need to know about using AI APIs for your projects.

## Getting Started

The easiest way to get started is with NexaAPI's unified platform, which gives you access to 50+ AI models through a single API key.

### Installation

**Python:**
\`\`\`bash
pip install nexaapi
\`\`\`

**JavaScript:**
\`\`\`bash
npm install nexaapi
\`\`\`

### Quick Example (Python)

\`\`\`python
from nexa_ai import NexaAI

client = NexaAI(api_key="your-api-key")
result = client.images.generate(
model="flux-2-pro",
prompt="a beautiful mountain landscape at sunset",
width=1024,
height=1024,
)
print(result.url)
\`\`\`

### Quick Example (JavaScript)

\`\`\`javascript
import NexaAI from 'nexaapi';

const client = new NexaAI({ apiKey: 'your-api-key' });
const result = await client.images.generate({
model: 'flux-2-pro',
prompt: 'a beautiful mountain landscape at sunset',
width: 1024,
height: 1024,
});
console.log(result.url);
\`\`\`

## Pricing

NexaAPI offers some of the most competitive pricing in the market:

| Model | Price | Speed |
|-------|-------|-------|
| Flux Schnell | $0.003/image | ~1s |
| Flux Pro | $0.05/image | ~5s |
| SDXL | $0.02/image | ~3s |
| Kling v3 Pro | $0.50/video | ~30s |

## Why NexaAPI?

- **50+ models** through one API
- **Cheapest pricing** in the market
- **Python & Node.js SDKs**
- **Async job system** for reliable processing
- **Free tier** available

[Get started free at nexa-api.com →](https://nexa-api.com)