Update an Option Value

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    option_value: {name: 'red', presentation: 'Red', public_metadata: {}, private_metadata: {}}
  })
};

fetch('http://{defaultHost}/api/v2/platform/option_values/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "data": {
    "id": "75",
    "type": "option_value",
    "attributes": {
      "position": 1,
      "name": "M",
      "presentation": "S",
      "created_at": "2022-11-08T19:34:35.140Z",
      "updated_at": "2022-11-08T19:34:35.372Z",
      "public_metadata": {},
      "private_metadata": {}
    },
    "relationships": {
      "option_type": {
        "data": {
          "id": "86",
          "type": "option_type"
        }
      }
    }
  }
}