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> For a complete documentation index, see https://docs.markup.ai/llms.txt.
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# Create Category Type

POST https://api.markup.ai/style-agent/terminology/category-types
Content-Type: application/json

Create a category type.

Returns `409` if a type with the same `name` already exists.

Reference: https://docs.markup.ai/developer-reference/api-reference/style-agent/terminology/create-category-type

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Body (application/json)

This endpoint expects a CategoryTypeCreateRequest.

- `name` (string, required) — Unique name of the type within the organization.
- `displayname` (string, required) — Name shown to users.
- `hierarchical` (boolean, optional, default: true) — Whether categories of this type can be nested under a parent.
- `system` (boolean, optional, default: false) — Marks a built-in type, which cannot be renamed or deleted.
- `closed` (boolean, optional, default: false) — Whether new top-level categories are blocked for this type.
- `relationtype` (integer, optional, default: 0) — How many categories of this type one term may carry: `0` at least one, `1` zero or more, `2` exactly one, `3` at most one.
- `membershaveseparatedisplayname` (boolean, optional, default: true) — Whether this type's categories may have a display name that differs from their name.

## Response

### 201

Successful Response

- `id` (string, required) — Identifier used by this API.
- `name` (string, required) — Unique name; ACTIF documents refer to it.
- `displayname` (string, required)
- `hierarchical` (boolean, required)
- `system` (boolean, required) — Built-in types cannot be renamed or deleted.
- `closed` (boolean, required)
- `relationtype` (integer, required) — How many categories of this type one term may carry: `0` at least one, `1` zero or more, `2` exactly one, `3` at most one.
- `membershaveseparatedisplayname` (boolean, required)
- `uuid` (string, required) — Stable identifier carried over from Acrolinx terminology.
- `external_id` (string, required) — External identifier; built-in types use the Acrolinx system identifier, for example `com.acrolinx.api.category.SystemCategoryTypeIdentifier.DOMAIN`.
- `category_count` (integer, optional, default: 0) — Number of categories of this type.

## Errors

### 401 Unauthorized Error

Authentication failed or no valid API key provided.

- `detail` (string, required) — A description of the error that occurred.
- `status` (integer, required) — The HTTP status code generated by the server for this issue
- `request_id` (string, required) — A unique ID associated with the HTTP request.

### 403 Forbidden Error

Forbidden

- `detail` (string, required) — A description of the error that occurred.
- `status` (integer, required) — The HTTP status code generated by the server for this issue
- `request_id` (string, required) — A unique ID associated with the HTTP request.

### 422 Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

### 500 Internal Server Error

Internal Server Error

- `detail` (string, required) — A description of the error that occurred.
- `status` (integer, required) — The HTTP status code generated by the server for this issue
- `request_id` (string, required) — A unique ID associated with the HTTP request.

## Types

### ValidationError

- `loc` (list of ValidationErrorLocItems, required)
- `msg` (string, required)
- `type` (string, required)
- `input` (any, optional)
- `ctx` (ValidationErrorCtx, optional)

### ValidationErrorLocItems

- string
- integer

### ValidationErrorCtx

## Examples

**Request**

```json
{
  "name": "string",
  "displayname": "string"
}
```

**Response**

```json
{
  "id": "string",
  "name": "string",
  "displayname": "string",
  "hierarchical": true,
  "system": true,
  "closed": true,
  "relationtype": 1,
  "membershaveseparatedisplayname": true,
  "uuid": "string",
  "external_id": "string",
  "category_count": 0
}
```

**SDK Code**

```python
import requests

url = "https://api.markup.ai/style-agent/terminology/category-types"

payload = {
    "name": "string",
    "displayname": "string"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.markup.ai/style-agent/terminology/category-types';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"name":"string","displayname":"string"}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.markup.ai/style-agent/terminology/category-types"

	payload := strings.NewReader("{\n  \"name\": \"string\",\n  \"displayname\": \"string\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.markup.ai/style-agent/terminology/category-types")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"string\",\n  \"displayname\": \"string\"\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://api.markup.ai/style-agent/terminology/category-types")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"string\",\n  \"displayname\": \"string\"\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.markup.ai/style-agent/terminology/category-types', [
  'body' => '{
  "name": "string",
  "displayname": "string"
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.markup.ai/style-agent/terminology/category-types");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"name\": \"string\",\n  \"displayname\": \"string\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "name": "string",
  "displayname": "string"
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.markup.ai/style-agent/terminology/category-types")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```