curl --request PUT \
  --url https://crypto.westminister.tech/api/v1/auth/user/id/{id}/pin \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "new_pin": "654321",
  "confirm_new_pin": "654321",
  "current_pin": "123456"
}
'

{
  "id": "5c81c005-1c52-4e0d-85e2-862ee1cdd4d0",
  "email": "user@example.com",
  "phone_number": "+254712345678",
  "first_name": "John",
  "last_name": "Doe",
  "role": "customer",
  "kyc_status": "pending"
}