# Public JWK

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## Public JWK API

### [Update Public JWK](#method.lti/public_jwk.update) <a href="#method.lti-public_jwk.update" id="method.lti-public_jwk.update"></a>

[Lti::PublicJwkController#update](https://github.com/instructure/canvas-lms/blob/master/app/controllers/lti/public_jwk_controller.rb)

**`PUT /api/lti/developer_key/update_public_jwk`**

**Scope:** `url:PUT|/api/lti/developer_key/update_public_jwk`

Rotate the public key in jwk format when using lti services

**Request Parameters:**

| Parameter    | Type            | Description                                                          |
| ------------ | --------------- | -------------------------------------------------------------------- |
| `public_jwk` | Required `json` | The new public jwk that will be set to the tools current public jwk. |

Returns a [DeveloperKey](https://developerdocs.instructure.com/services/canvas/developer_keys#developerkey) object.

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This documentation is generated directly from the Canvas LMS source code, available [on Github](https://github.com/instructure/canvas-lms).