curl --request PUT \
  --url https://api-{region}.sesametime.com/project/v1/customers/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "customerName": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "email": "jsmith@example.com",
  "phone": "<string>",
  "description": "<string>"
}
'

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "customerName": "<string>",
    "firstName": "<string>",
    "lastName": "<string>",
    "email": "jsmith@example.com",
    "phone": "<string>",
    "description": "<string>",
    "createdAt": "2020-01-01T10:00:00+01:00",
    "updatedAt": "2020-01-01T10:00:00+01:00",
    "deletedAt": "2020-01-01T10:00:00+01:00"
  },
  "meta": {
    "currentPage": 1,
    "lastPage": 1,
    "total": 1,
    "perPage": 1
  }
}