# `GET /screener/metrics/filters`

**Purpose:** Discovery — returns the supported metric catalog, operators, temporal modifiers, form types, derivations, sectors, and one complete example request. **0 credits.** Requires the **Starter plan or higher**.

```json
{
  "metrics": [
    {"name": "return_on_equity", "unit": "ratio", "price_sensitive": false},
    {"name": "market_cap", "unit": "usd", "price_sensitive": true}
    /* ... 82 total ... */
  ],
  "operators": ["<", "<=", ">", ">=", "between"],
  "temporal_modifiers": ["for_latest", "for_consecutive", "for_at_least"],
  "form_types": ["10-K", "10-Q", "20-F", "40-F"],
  "derivations": ["TTM_rollforward", "as_reported", "class_sum", "company_override", "composite", "derived", "proxy_substituted", "segment_sum"],
  "sectors": ["Technology", "Healthcare", "Finance", "Consumer Discretionary", "Consumer Staples", "Communications", "Industrials", "Energy", "Utilities", "Materials", "Real Estate", "Other"],
  "example_request": { /* full POST /screener/metrics body */ },
  "credits_used": 0
}
```

`sectors` lists the 12 canonical buckets accepted by the `POST /screener/metrics` `sectors` filter ([Industry classification (Pro+)](/documents/coverage.md#industry-classification-pro)); it is `null` below the Pro plan.