curl --request POST \
  --url https://api.fabric.inc/v3/collections/batch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "collections": [
    {
      "parentCollectionId": "600f1f77bcf86cd799439011",
      "name": "Color",
      "localizedProperties": {
        "en-US": {
          "name": "Color"
        },
        "en-IN": {
          "name": "Colour"
        }
      },
      "isLocalizable": true,
      "isRoot": true,
      "isLeaf": false,
      "attributes": [
        {
          "id": "78184766610c0e32a86d8757",
          "value": "blue"
        }
      ],
      "categoryIdsIncluded": [
        "917329dfd5288b0011332300, 637329dfd5288b0011332387"
      ],
      "categoryIdsExcluded": [
        "637329dfd5288b0011332300",
        "74184766610c0e32a86d8758"
      ],
      "productAttributeFilters": [
        {
          "attributeId": "78184766610c0e32a86d8757",
          "condition": "EQUALS",
          "value": 2
        }
      ]
    }
  ]
}
'

import requests

url = "https://api.fabric.inc/v3/collections/batch"

payload = { "collections": [
        {
            "parentCollectionId": "600f1f77bcf86cd799439011",
            "name": "Color",
            "localizedProperties": {
                "en-US": { "name": "Color" },
                "en-IN": { "name": "Colour" }
            },
            "isLocalizable": True,
            "isRoot": True,
            "isLeaf": False,
            "attributes": [
                {
                    "id": "78184766610c0e32a86d8757",
                    "value": "blue"
                }
            ],
            "categoryIdsIncluded": ["917329dfd5288b0011332300, 637329dfd5288b0011332387"],
            "categoryIdsExcluded": ["637329dfd5288b0011332300", "74184766610c0e32a86d8758"],
            "productAttributeFilters": [
                {
                    "attributeId": "78184766610c0e32a86d8757",
                    "condition": "EQUALS",
                    "value": 2
                }
            ]
        }
    ] }
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({
    collections: [
      {
        parentCollectionId: '600f1f77bcf86cd799439011',
        name: 'Color',
        localizedProperties: {'en-US': {name: 'Color'}, 'en-IN': {name: 'Colour'}},
        isLocalizable: true,
        isRoot: true,
        isLeaf: false,
        attributes: [{id: '78184766610c0e32a86d8757', value: 'blue'}],
        categoryIdsIncluded: ['917329dfd5288b0011332300, 637329dfd5288b0011332387'],
        categoryIdsExcluded: ['637329dfd5288b0011332300', '74184766610c0e32a86d8758'],
        productAttributeFilters: [{attributeId: '78184766610c0e32a86d8757', condition: 'EQUALS', value: 2}]
      }
    ]
  })
};

fetch('https://api.fabric.inc/v3/collections/batch', 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://api.fabric.inc/v3/collections/batch",
  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([
    'collections' => [
        [
                'parentCollectionId' => '600f1f77bcf86cd799439011',
                'name' => 'Color',
                'localizedProperties' => [
                                'en-US' => [
                                                                'name' => 'Color'
                                ],
                                'en-IN' => [
                                                                'name' => 'Colour'
                                ]
                ],
                'isLocalizable' => true,
                'isRoot' => true,
                'isLeaf' => false,
                'attributes' => [
                                [
                                                                'id' => '78184766610c0e32a86d8757',
                                                                'value' => 'blue'
                                ]
                ],
                'categoryIdsIncluded' => [
                                '917329dfd5288b0011332300, 637329dfd5288b0011332387'
                ],
                'categoryIdsExcluded' => [
                                '637329dfd5288b0011332300',
                                '74184766610c0e32a86d8758'
                ],
                'productAttributeFilters' => [
                                [
                                                                'attributeId' => '78184766610c0e32a86d8757',
                                                                'condition' => 'EQUALS',
                                                                'value' => 2
                                ]
                ]
        ]
    ]
  ]),
  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://api.fabric.inc/v3/collections/batch"

	payload := strings.NewReader("{\n  \"collections\": [\n    {\n      \"parentCollectionId\": \"600f1f77bcf86cd799439011\",\n      \"name\": \"Color\",\n      \"localizedProperties\": {\n        \"en-US\": {\n          \"name\": \"Color\"\n        },\n        \"en-IN\": {\n          \"name\": \"Colour\"\n        }\n      },\n      \"isLocalizable\": true,\n      \"isRoot\": true,\n      \"isLeaf\": false,\n      \"attributes\": [\n        {\n          \"id\": \"78184766610c0e32a86d8757\",\n          \"value\": \"blue\"\n        }\n      ],\n      \"categoryIdsIncluded\": [\n        \"917329dfd5288b0011332300, 637329dfd5288b0011332387\"\n      ],\n      \"categoryIdsExcluded\": [\n        \"637329dfd5288b0011332300\",\n        \"74184766610c0e32a86d8758\"\n      ],\n      \"productAttributeFilters\": [\n        {\n          \"attributeId\": \"78184766610c0e32a86d8757\",\n          \"condition\": \"EQUALS\",\n          \"value\": 2\n        }\n      ]\n    }\n  ]\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://api.fabric.inc/v3/collections/batch")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"collections\": [\n    {\n      \"parentCollectionId\": \"600f1f77bcf86cd799439011\",\n      \"name\": \"Color\",\n      \"localizedProperties\": {\n        \"en-US\": {\n          \"name\": \"Color\"\n        },\n        \"en-IN\": {\n          \"name\": \"Colour\"\n        }\n      },\n      \"isLocalizable\": true,\n      \"isRoot\": true,\n      \"isLeaf\": false,\n      \"attributes\": [\n        {\n          \"id\": \"78184766610c0e32a86d8757\",\n          \"value\": \"blue\"\n        }\n      ],\n      \"categoryIdsIncluded\": [\n        \"917329dfd5288b0011332300, 637329dfd5288b0011332387\"\n      ],\n      \"categoryIdsExcluded\": [\n        \"637329dfd5288b0011332300\",\n        \"74184766610c0e32a86d8758\"\n      ],\n      \"productAttributeFilters\": [\n        {\n          \"attributeId\": \"78184766610c0e32a86d8757\",\n          \"condition\": \"EQUALS\",\n          \"value\": 2\n        }\n      ]\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fabric.inc/v3/collections/batch")

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  \"collections\": [\n    {\n      \"parentCollectionId\": \"600f1f77bcf86cd799439011\",\n      \"name\": \"Color\",\n      \"localizedProperties\": {\n        \"en-US\": {\n          \"name\": \"Color\"\n        },\n        \"en-IN\": {\n          \"name\": \"Colour\"\n        }\n      },\n      \"isLocalizable\": true,\n      \"isRoot\": true,\n      \"isLeaf\": false,\n      \"attributes\": [\n        {\n          \"id\": \"78184766610c0e32a86d8757\",\n          \"value\": \"blue\"\n        }\n      ],\n      \"categoryIdsIncluded\": [\n        \"917329dfd5288b0011332300, 637329dfd5288b0011332387\"\n      ],\n      \"categoryIdsExcluded\": [\n        \"637329dfd5288b0011332300\",\n        \"74184766610c0e32a86d8758\"\n      ],\n      \"productAttributeFilters\": [\n        {\n          \"attributeId\": \"78184766610c0e32a86d8757\",\n          \"condition\": \"EQUALS\",\n          \"value\": 2\n        }\n      ]\n    }\n  ]\n}"

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

{
  "data": [
    {
      "success": [
        {
          "id": "53184766610c0e32a86d875",
          "name": "Color"
        }
      ],
      "errors": [
        {
          "name": "Color",
          "message": [
            "Category must have valid parentId"
          ]
        }
      ]
    }
  ]
}

{
  "message": "Request was invalid",
  "type": "Bad request",
  "errors": [
    {
      "type": "CLIENT_ERROR",
      "message": "Invalid request"
    }
  ]
}

{
  "message": "The requester is unauthorized",
  "type": "UNAUTHORIZED_ERROR"
}

{
  "type": "REQUEST_DENIED",
  "message": "User doesn't have the required permission"
}

{
  "type": "CONFLICT",
  "message": "Unable to update as there is a conflict with a unique attribute.",
  "errors": [
    {
      "type": "CONFLICT",
      "message": "<ID> already exists"
    }
  ]
}

{
  "type": "PAYLOAD_LIMIT_EXCEEDED_ERROR",
  "message": "The payload exceeds maximum configured size"
}

{
  "type": "SERVER_ERROR",
  "message": "Internal Server Error"
}