# AI NFT Generator

## AI NFT Generator

Generate images from text prompts and mint them as NFTs on-chain across 22+ blockchains. Choose from four generation models optimized for different speed and quality trade-offs.

### Key Facts

|                       |                                                  |
| --------------------- | ------------------------------------------------ |
| **Generate Endpoint** | `POST /nft/generate-image`                       |
| **Mint Endpoint**     | `POST /nft/mint`                                 |
| **Full NFT Endpoint** | `POST /nft/generate-nft`                         |
| **Enhance Prompt**    | `POST /nft/enhancePrompt`                        |
| **List Chains**       | `GET /nft/get-chains`                            |
| **Check Progress**    | `GET /nft/progress/{id}`                         |
| **Cost**              | 1 -- 14.25 credits (varies by model and upscale) |
| **SDK**               | `@chaingpt/nft`                                  |
| **Chains**            | 22+ supported for minting                        |

### Generation Models

| Model              | Style           | Speed     | Steps  | Best For                                                 |
| ------------------ | --------------- | --------- | ------ | -------------------------------------------------------- |
| **VeloGen**        | Fast generation | Very fast | 1--4   | Rapid prototyping, previews, high-volume generation      |
| **NebulaForge XL** | Highly detailed | Slower    | More   | Premium artwork, detailed illustrations, showcase pieces |
| **VisionaryForge** | General purpose | Medium    | Medium | Balanced quality and speed for most use cases            |
| **Dale3**          | DALL-E 3        | Medium    | N/A    | Photorealistic images, complex scene composition         |

### Credit Costs

Costs vary based on the model selected and whether upscaling is applied. The range is **1 credit** (VeloGen, no upscale) to **14.25 credits** (NebulaForge XL with maximum upscale). Check the reference/ docs for the full pricing matrix.

### Endpoints

| Method | Path                  | Description                                                 |
| ------ | --------------------- | ----------------------------------------------------------- |
| `POST` | `/nft/generate-image` | Generate an image from a text prompt (returns image URL)    |
| `POST` | `/nft/generate-nft`   | Generate image and prepare NFT metadata in one call         |
| `POST` | `/nft/mint`           | Mint a generated image as an NFT on a supported chain       |
| `POST` | `/nft/enhancePrompt`  | AI-enhance a rough prompt into a detailed generation prompt |
| `GET`  | `/nft/get-chains`     | List all supported chains for minting                       |
| `GET`  | `/nft/progress/{id}`  | Check the progress of an in-flight generation or mint       |

### Quick Start -- JavaScript

Install the SDK:

```bash
npm install @chaingpt/nft
```

#### Generate an Image

```javascript
import { Nft } from "@chaingpt/nft";

const client = new Nft({
  apiKey: process.env.CHAINGPT_API_KEY,
});

const image = await client.generateImage({
  prompt: "A cyberpunk city skyline with neon blockchain nodes floating above the buildings",
  model: "VisionaryForge",
});

console.log("Image URL:", image.data.imageUrl);
```

#### Generate + Mint Flow

```javascript
import { Nft } from "@chaingpt/nft";

const client = new Nft({
  apiKey: process.env.CHAINGPT_API_KEY,
});

// Step 1: Enhance the prompt
const enhanced = await client.enhancePrompt({
  prompt: "a dragon guarding a vault of crypto coins",
});
console.log("Enhanced prompt:", enhanced.data.enhancedPrompt);

// Step 2: Generate the image
const image = await client.generateImage({
  prompt: enhanced.data.enhancedPrompt,
  model: "NebulaForge XL",
});
console.log("Image URL:", image.data.imageUrl);

// Step 3: List available chains
const chains = await client.getChains();
console.log("Available chains:", chains.data);

// Step 4: Mint the NFT
const mintResult = await client.mint({
  imageUrl: image.data.imageUrl,
  name: "Dragon Vault Guardian",
  description: "A dragon guarding a vault of crypto coins",
  chain: "BSC",
  walletAddress: "0xYourWalletAddress",
});

console.log("Mint transaction:", mintResult.data.transactionHash);

// Step 5: Check progress if needed
const progress = await client.getProgress(mintResult.data.id);
console.log("Status:", progress.data.status);
```

### Tips

* Use `enhancePrompt` before generating -- it significantly improves output quality, especially with short or vague prompts.
* Start with **VeloGen** during development and switch to **NebulaForge XL** for production artwork.
* The `generate-nft` endpoint combines generation and metadata preparation into a single call, which is simpler for basic flows.
* Poll `progress/{id}` for long-running generations or mints rather than blocking.
* Pair with the Smart Contract Auditor if you are deploying custom minting contracts alongside the generated NFTs.


---

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