# GET /api/v1/inboxes/:id/rules/:ruleId

Auth: Bearer

HTML: https://cooperemail.com/docs/reference/get-rule

## Summary

One rule. Unknown id is 404 rule_not_found. Read permission is message_read.

## Request

This call has no JSON body.

## Response

The OpenAPI document does not declare a JSON response schema for this call. The summary is the contract.

## Errors

- HTTP 404 rule_not_found

The live `message` is the sentence for that code. Branch on `code`.

```json
{
  "error": {
    "type": "not_found",
    "code": "rule_not_found",
    "docs_url": "https://cooperemail.com/docs#rule_not_found"
  }
}
```

## Idempotency

This route does not document Idempotency-Key or client_id.