> ## Documentation Index
> Fetch the complete documentation index at: https://docs.crazyrouter.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Claude Vision

> Claude image understanding verified against Crazyrouter production on 2026-03-23

> Дата обновления: 2026-06-06

# Claude Vision

As of March 23, 2026, Crazyrouter production has verified two Claude image-input paths:

* native `POST /v1/messages` with `type: "image"` and Base64 PNG
* OpenAI-compatible `POST /v1/chat/completions` with `type: "image_url"` and a data URL

***

## Native Format: `/v1/messages`

```bash theme={null}
curl https://api.crazyrouter.com/v1/messages \
  -H "Content-Type: application/json" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "claude-opus-4-8",
    "max_tokens": 128,
    "messages": [
      {
        "role": "user",
        "content": [
          {
            "type": "image",
            "source": {
              "type": "base64",
              "media_type": "image/png",
              "data": "iVBORw0KGgoAAA..."
            }
          },
          {
            "type": "text",
            "text": "What color is this image?"
          }
        ]
      }
    ]
  }'
```

This production check returned:

* `model: "claude-opus-4-8"`
* `content[0].type = "text"`

***

## OpenAI-Compatible Format: `/v1/chat/completions`

```bash theme={null}
curl https://api.crazyrouter.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "claude-opus-4-8",
    "messages": [
      {
        "role": "user",
        "content": [
          {"type": "text", "text": "What color is this image?"},
          {
            "type": "image_url",
            "image_url": {
              "url": "data:image/png;base64,iVBORw0KGgoAAA..."
            }
          }
        ]
      }
    ],
    "max_tokens": 128
  }'
```

In the 2026-03-23 production check, `message.content` came back as plain text describing the image color.

<Note>
  This page keeps only the Base64 PNG / data-URL paths that were revalidated successfully. Remote URLs, additional image formats, and more complex multi-image cases were not rechecked item by item in this pass.
</Note>