const options = {
  method: 'PATCH',
  headers: {
    'x-spree-api-key': '<api-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({name: 'Acme Industrial Group'})
};

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

curl --request PATCH \
  --url http://{defaultHost}/api/v3/store/companies/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-spree-api-key: <api-key>' \
  --data '
{
  "name": "Acme Industrial Group"
}
'

{
  "id": "comp_UkLWZg9DAJ",
  "name": "Acme Industrial Group",
  "kind": "company",
  "po_number_required": false,
  "parent_id": null,
  "ancestors": []
}