# FLUX 3 Image (`black-forest-labs/flux-3-image`): API

> black-forest-labs/flux-3-image is an image generation model from Black Forest Labs you can call on the OceanToken API; it supports image input.

Endpoint: `POST https://api.oceantoken.ai/v1/images/generations` (also `/v1/images/edits`). Auth: `Authorization: Bearer $OCEANTOKEN_API_KEY`. OpenAI-compatible; the OpenAI SDKs work with base URL https://api.oceantoken.ai/v1.

## Request parameters

- `model` (string; required): This model's ID.
- `prompt` (string; required): What to draw.
- `size` (string; 21:9, 2:1, 16:9, 3:2, 7:5, 4:3, 5:4, 1:1, 4:5, 3:4, 5:7, 2:3, 9:16, 1:2, 9:21): Aspect ratio. Width x height such as `1024x1024` is accepted too and mapped to its ratio.
- `quality` (string; 1K, 2K, 4K): Resolution tier; `low`, `medium` and `high` are accepted as 1K, 2K and 4K.
- `images` (array; up to 10 items): Up to 10 reference images to start from or draw on, each a public https:// URL or a data URL. The request is then an edit.

## Example: Basic

```bash
curl https://api.oceantoken.ai/v1/images/generations \
  -H "Authorization: Bearer $OCEANTOKEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "black-forest-labs/flux-3-image",
  "prompt": "A lighthouse at dawn, watercolor",
  "size": "21:9"
}'
```

```python
import os
from openai import OpenAI

client = OpenAI(base_url="https://api.oceantoken.ai/v1", api_key=os.environ["OCEANTOKEN_API_KEY"])
result = client.images.generate(
    model="black-forest-labs/flux-3-image",
    prompt="A lighthouse at dawn, watercolor",
    size="21:9",
)
print(result.data[0].url)  # download within 24 hours
```

## Response

- `created` (integer): Unix time.
- `data[].url` (string): The image. Download it within 24 hours.

```json
{
  "created": 1792000000,
  "data": [
    {
      "url": "https://..."
    }
  ]
}
```

## More

- Model page: https://docs.oceantoken.ai/models/black-forest-labs/flux-3-image
- This spec as JSON (with a JSON Schema of the request): https://docs.oceantoken.ai/models/black-forest-labs/flux-3-image/spec.json
- Guide: https://docs.oceantoken.ai/guides/images
- All models: https://docs.oceantoken.ai/llms.txt