POST
    /categories
  
  curl \
 --request POST 'https://stg.getfoundation.com/api/external/v1/categories' \
 --header "X-API-Key: $API_KEY" \
 --header "Content-Type: application/json" \
 --data '{"category":{"title":"Toys","parent_id":"string","handle":"toys"}}'
    
        Request examples
  
  {
  "category": {
    "title": "Toys",
    "parent_id": "string",
    "handle": "toys"
  }
}
        Response examples (201)
  
  {
  "id": "9aa62446-c3b0-42f5-8027-3648daed9d73",
  "title": "Toys",
  "parent_id": "string",
  "handle": "toys"
}
        Response examples (401)
  
  {
  "error": "string",
  "details": "string"
}
        Response examples (404)
  
  {
  "error": "string",
  "details": "string"
}
        Response examples (422)
  
  {
  "error": "string",
  "details": "string"
}