Create a native format with its fields.

curl --request POST \
  --url https://your_a2_service/api/manager/native-formats \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "fields": [
    {
      "asset_binding": {
        "asset_type": 123
      },
      "label": "<string>",
      "name": "<string>",
      "constraints": {
        "input_type": "text",
        "max_length": 123
      },
      "description": "<string>",
      "input_type": "text",
      "is_required": false
    }
  ],
  "name": "<string>",
  "description": "<string>"
}
'

import requests

url = "https://your_a2_service/api/manager/native-formats"

payload = {
    "fields": [
        {
            "asset_binding": { "asset_type": 123 },
            "label": "<string>",
            "name": "<string>",
            "constraints": {
                "input_type": "text",
                "max_length": 123
            },
            "description": "<string>",
            "input_type": "text",
            "is_required": False
        }
    ],
    "name": "<string>",
    "description": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    fields: [
      {
        asset_binding: {asset_type: 123},
        label: '<string>',
        name: '<string>',
        constraints: {input_type: 'text', max_length: 123},
        description: '<string>',
        input_type: 'text',
        is_required: false
      }
    ],
    name: '<string>',
    description: '<string>'
  })
};

fetch('https://your_a2_service/api/manager/native-formats', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://your_a2_service/api/manager/native-formats",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'fields' => [
        [
                'asset_binding' => [
                                'asset_type' => 123
                ],
                'label' => '<string>',
                'name' => '<string>',
                'constraints' => [
                                'input_type' => 'text',
                                'max_length' => 123
                ],
                'description' => '<string>',
                'input_type' => 'text',
                'is_required' => false
        ]
    ],
    'name' => '<string>',
    'description' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://your_a2_service/api/manager/native-formats"

	payload := strings.NewReader("{\n  \"fields\": [\n    {\n      \"asset_binding\": {\n        \"asset_type\": 123\n      },\n      \"label\": \"<string>\",\n      \"name\": \"<string>\",\n      \"constraints\": {\n        \"input_type\": \"text\",\n        \"max_length\": 123\n      },\n      \"description\": \"<string>\",\n      \"input_type\": \"text\",\n      \"is_required\": false\n    }\n  ],\n  \"name\": \"<string>\",\n  \"description\": \"<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(string(body))

}

HttpResponse<String> response = Unirest.post("https://your_a2_service/api/manager/native-formats")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"fields\": [\n    {\n      \"asset_binding\": {\n        \"asset_type\": 123\n      },\n      \"label\": \"<string>\",\n      \"name\": \"<string>\",\n      \"constraints\": {\n        \"input_type\": \"text\",\n        \"max_length\": 123\n      },\n      \"description\": \"<string>\",\n      \"input_type\": \"text\",\n      \"is_required\": false\n    }\n  ],\n  \"name\": \"<string>\",\n  \"description\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://your_a2_service/api/manager/native-formats")

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  \"fields\": [\n    {\n      \"asset_binding\": {\n        \"asset_type\": 123\n      },\n      \"label\": \"<string>\",\n      \"name\": \"<string>\",\n      \"constraints\": {\n        \"input_type\": \"text\",\n        \"max_length\": 123\n      },\n      \"description\": \"<string>\",\n      \"input_type\": \"text\",\n      \"is_required\": false\n    }\n  ],\n  \"name\": \"<string>\",\n  \"description\": \"<string>\"\n}"

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

{
  "created_at": "2023-11-07T05:31:56Z",
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "owner_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "updated_at": "2023-11-07T05:31:56Z",
  "description": "<string>",
  "fields": [],
  "format_type": "user_defined",
  "no": 123,
  "owner_name": "<string>",
  "status": "inactive"
}

{
  "detail": "<string>"
}

{
  "detail": "<string>"
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}