# Get public model cache headers

**API:** Model API

**Endpoint:** `HEAD /api/platform/model-catalog/model`

Anonymous exact lookup by public name or registered alias. Returns the canonical model ID and the same model object as the catalog. Unknown or unlisted models return 404. locale controls document selection only.

## Base URL

- `https://openapi.felo.ai` — بيئة الإنتاج

## Authentication

No authentication required — this endpoint is anonymous.

## Parameters

| Name | In | Required | Type | Description |
| --- | --- | --- | --- | --- |
| `model` | query | yes | string | Exact case-sensitive public model name or registered alias |
| `locale` | query | no | string, enum: "en", "zh-CN", "zh-TW", "ja", "ko", "ru", …, default: "en" | Document language; falls back to English when unavailable |
| `If-None-Match` | header | no | string | Previous ETag; matching content returns 304 |

## Responses

### 200 — Public model details

Headers:
- `Cache-Control` (string) — public, max-age=60
- `ETag` (string) — Representation fingerprint

### 304 — Unchanged representation; empty body

Headers:
- `Cache-Control` (string) — public, max-age=60
- `ETag` (string) — Representation fingerprint

### 400 — Invalid model name or locale

### 404 — Model not found

### 422 — Missing model query parameter

### 503 — Model catalog unavailable