# Anthropic Models API — Model Query

Source: https://ofox.io/docs/api/anthropic/models

Query available models on the OfoxAI platform through the Anthropic native protocol. The response format follows the Anthropic API specification (`type`, `display_name`, `created_at`, etc.).

The Models API is a public endpoint that does not require an API Key. This endpoint returns all models accessible via the Anthropic protocol, not limited to the Claude series.

## List All Models

```http
GET https://api.ofox.io/anthropic/v1/models
```

### Request Example

```bash filename="Terminal"
curl https://api.ofox.io/anthropic/v1/models
```

### Response Format

```json
{
  "data": [
    {
      "type": "model",
      "id": "anthropic/claude-haiku-5.5",
      "display_name": "Anthropic: Claude Haiku 5.5",
      "created_at": "2026-10-09T04:54:25Z",
      "owned_by": "bedrock",
      "canonical_slug": "claude-haiku-5-5",
      "description": "Claude Haiku 5.5 is Anthropic's fastest and most cost-effective model, successor to Claude Haiku 4.5, built for high-volume, latency-sensitive work such as classification, routing, extraction and sub-agent tasks. It supports a 1M-token context window, up to 128K output tokens and adaptive thinking. Prompts above 100K input tokens are billed at 5x the base rate.",
      "context_length": 1000000,
      "architecture": {
        "modality": "text+image+file->text",
        "input_modalities": [
          "text",
          "image",
          "file"
        ],
        "output_modalities": [
          "text"
        ],
        "tokenizer": "claude",
        "instruct_type": null
      },
      "pricing": {
        "prompt": "0.0000001",
        "completion": "0.0000005",
        "input_cache_read": "0.00000001",
        "input_cache_write_5m": "0.000000125",
        "input_cache_write_1h": "0.0000002",
        "web_search": "0.015"
      },
      "top_provider": {
        "context_length": 1000000,
        "max_completion_tokens": 128000,
        "is_moderated": false
      },
      "supported_parameters": [
        "temperature",
        "top_p",
        "max_tokens",
        "stop",
        "tools",
        "tool_choice",
        "response_format",
        "reasoning"
      ],
      "expiration_date": null,
      "is_deprecated": false,
      "aliases": [
        "claude-haiku-5-5",
        "claude-haiku-5.5"
      ]
    }
  ]
}
```

### Field Differences from OpenAI Protocol

| Field | OpenAI Protocol | Anthropic Protocol |
|-------|----------------|-------------------|
| Type identifier | `"object": "model"` | `"type": "model"` |
| Name | `name` | `display_name` |
| Creation time | `created` (Unix timestamp) | `created_at` (ISO 8601) |

## Filter Models by Provider

```http
GET https://api.ofox.io/anthropic/v1/models/{provider}
```

### Path Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
| `provider` | string | Provider identifier, e.g. `anthropic`, `openai`, `google` |

### Request Example

```bash filename="Terminal"
# List only Claude series models
curl https://api.ofox.io/anthropic/v1/models/anthropic
```

### Response Format

The response format is the same as listing all models, with the `data` array containing only models from the specified provider.

## Get Model Details

```http
GET https://api.ofox.io/anthropic/v1/models/{provider}/{model_id}
```

### Path Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
| `provider` | string | Provider identifier, e.g. `anthropic` |
| `model_id` | string | Model name, e.g. `claude-sonnet-5.5` |

### Request Example

```bash filename="Terminal"
curl https://api.ofox.io/anthropic/v1/models/anthropic/claude-sonnet-5.5
```

### Response Format

Returns a single Model object with the same structure as objects in the list endpoint.