const options = {
  method: 'PATCH',
  headers: {
    'X-Spree-Seller-Id': '<x-spree-seller-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({name: '<string>', slug: '<string>', body: JSON.stringify('<string>')})
};

fetch('http://{defaultHost}/api/v3/seller/policies/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

curl --request PATCH \
  --url http://{defaultHost}/api/v3/seller/policies/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Spree-Seller-Id: <x-spree-seller-id>' \
  --data '
{
  "name": "<string>",
  "slug": "<string>",
  "body": "<string>"
}
'

{
  "id": "pol_uw2YK1rnl0",
  "name": "Returns Policy",
  "slug": "returns-policy",
  "body": "Send anything back within 60 days.",
  "body_html": "<p>Send anything back within 60 days.</p>",
  "updated_at": "2026-01-15T12:00:00.000Z",
  "created_at": "2026-01-15T12:00:00.000Z"
}