curl --request POST \
  --url https://api.hubapi.com/crm/lists/2026-03 \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "objectTypeId": "<string>",
  "processingType": "<string>",
  "customProperties": {},
  "filterBranch": {
    "filterBranchOperator": "<string>",
    "filterBranchType": "OR",
    "filterBranches": [
      {
        "filterBranchOperator": "<string>",
        "filterBranchType": "AND",
        "filterBranches": "<array>",
        "filters": [
          {
            "filterType": "PROPERTY",
            "operation": {
              "includeObjectsWithNoValueSet": true,
              "operationType": "BOOL",
              "operator": "<string>",
              "value": true
            },
            "property": "<string>"
          }
        ]
      }
    ],
    "filters": [
      {
        "filterType": "PROPERTY",
        "operation": {
          "includeObjectsWithNoValueSet": true,
          "operationType": "BOOL",
          "operator": "<string>",
          "value": true
        },
        "property": "<string>"
      }
    ]
  },
  "listFolderId": 123,
  "membershipSettings": {
    "includeUnassigned": true,
    "membershipTeamId": 123
  }
}
'

import requests

url = "https://api.hubapi.com/crm/lists/2026-03"

payload = {
    "name": "<string>",
    "objectTypeId": "<string>",
    "processingType": "<string>",
    "customProperties": {},
    "filterBranch": {
        "filterBranchOperator": "<string>",
        "filterBranchType": "OR",
        "filterBranches": [
            {
                "filterBranchOperator": "<string>",
                "filterBranchType": "AND",
                "filterBranches": "<array>",
                "filters": [
                    {
                        "filterType": "PROPERTY",
                        "operation": {
                            "includeObjectsWithNoValueSet": True,
                            "operationType": "BOOL",
                            "operator": "<string>",
                            "value": True
                        },
                        "property": "<string>"
                    }
                ]
            }
        ],
        "filters": [
            {
                "filterType": "PROPERTY",
                "operation": {
                    "includeObjectsWithNoValueSet": True,
                    "operationType": "BOOL",
                    "operator": "<string>",
                    "value": True
                },
                "property": "<string>"
            }
        ]
    },
    "listFolderId": 123,
    "membershipSettings": {
        "includeUnassigned": True,
        "membershipTeamId": 123
    }
}
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({
    name: '<string>',
    objectTypeId: '<string>',
    processingType: '<string>',
    customProperties: {},
    filterBranch: {
      filterBranchOperator: '<string>',
      filterBranchType: 'OR',
      filterBranches: [
        {
          filterBranchOperator: '<string>',
          filterBranchType: 'AND',
          filterBranches: '<array>',
          filters: [
            {
              filterType: 'PROPERTY',
              operation: {
                includeObjectsWithNoValueSet: true,
                operationType: 'BOOL',
                operator: '<string>',
                value: true
              },
              property: '<string>'
            }
          ]
        }
      ],
      filters: [
        {
          filterType: 'PROPERTY',
          operation: {
            includeObjectsWithNoValueSet: true,
            operationType: 'BOOL',
            operator: '<string>',
            value: true
          },
          property: '<string>'
        }
      ]
    },
    listFolderId: 123,
    membershipSettings: {includeUnassigned: true, membershipTeamId: 123}
  })
};

fetch('https://api.hubapi.com/crm/lists/2026-03', 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.hubapi.com/crm/lists/2026-03",
  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([
    'name' => '<string>',
    'objectTypeId' => '<string>',
    'processingType' => '<string>',
    'customProperties' => [
        
    ],
    'filterBranch' => [
        'filterBranchOperator' => '<string>',
        'filterBranchType' => 'OR',
        'filterBranches' => [
                [
                                'filterBranchOperator' => '<string>',
                                'filterBranchType' => 'AND',
                                'filterBranches' => '<array>',
                                'filters' => [
                                                                [
                                                                                                                                'filterType' => 'PROPERTY',
                                                                                                                                'operation' => [
                                                                                                                                                                                                                                                                'includeObjectsWithNoValueSet' => true,
                                                                                                                                                                                                                                                                'operationType' => 'BOOL',
                                                                                                                                                                                                                                                                'operator' => '<string>',
                                                                                                                                                                                                                                                                'value' => true
                                                                                                                                ],
                                                                                                                                'property' => '<string>'
                                                                ]
                                ]
                ]
        ],
        'filters' => [
                [
                                'filterType' => 'PROPERTY',
                                'operation' => [
                                                                'includeObjectsWithNoValueSet' => true,
                                                                'operationType' => 'BOOL',
                                                                'operator' => '<string>',
                                                                'value' => true
                                ],
                                'property' => '<string>'
                ]
        ]
    ],
    'listFolderId' => 123,
    'membershipSettings' => [
        'includeUnassigned' => true,
        'membershipTeamId' => 123
    ]
  ]),
  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.hubapi.com/crm/lists/2026-03"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"objectTypeId\": \"<string>\",\n  \"processingType\": \"<string>\",\n  \"customProperties\": {},\n  \"filterBranch\": {\n    \"filterBranchOperator\": \"<string>\",\n    \"filterBranchType\": \"OR\",\n    \"filterBranches\": [\n      {\n        \"filterBranchOperator\": \"<string>\",\n        \"filterBranchType\": \"AND\",\n        \"filterBranches\": \"<array>\",\n        \"filters\": [\n          {\n            \"filterType\": \"PROPERTY\",\n            \"operation\": {\n              \"includeObjectsWithNoValueSet\": true,\n              \"operationType\": \"BOOL\",\n              \"operator\": \"<string>\",\n              \"value\": true\n            },\n            \"property\": \"<string>\"\n          }\n        ]\n      }\n    ],\n    \"filters\": [\n      {\n        \"filterType\": \"PROPERTY\",\n        \"operation\": {\n          \"includeObjectsWithNoValueSet\": true,\n          \"operationType\": \"BOOL\",\n          \"operator\": \"<string>\",\n          \"value\": true\n        },\n        \"property\": \"<string>\"\n      }\n    ]\n  },\n  \"listFolderId\": 123,\n  \"membershipSettings\": {\n    \"includeUnassigned\": true,\n    \"membershipTeamId\": 123\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.hubapi.com/crm/lists/2026-03")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"<string>\",\n  \"objectTypeId\": \"<string>\",\n  \"processingType\": \"<string>\",\n  \"customProperties\": {},\n  \"filterBranch\": {\n    \"filterBranchOperator\": \"<string>\",\n    \"filterBranchType\": \"OR\",\n    \"filterBranches\": [\n      {\n        \"filterBranchOperator\": \"<string>\",\n        \"filterBranchType\": \"AND\",\n        \"filterBranches\": \"<array>\",\n        \"filters\": [\n          {\n            \"filterType\": \"PROPERTY\",\n            \"operation\": {\n              \"includeObjectsWithNoValueSet\": true,\n              \"operationType\": \"BOOL\",\n              \"operator\": \"<string>\",\n              \"value\": true\n            },\n            \"property\": \"<string>\"\n          }\n        ]\n      }\n    ],\n    \"filters\": [\n      {\n        \"filterType\": \"PROPERTY\",\n        \"operation\": {\n          \"includeObjectsWithNoValueSet\": true,\n          \"operationType\": \"BOOL\",\n          \"operator\": \"<string>\",\n          \"value\": true\n        },\n        \"property\": \"<string>\"\n      }\n    ]\n  },\n  \"listFolderId\": 123,\n  \"membershipSettings\": {\n    \"includeUnassigned\": true,\n    \"membershipTeamId\": 123\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hubapi.com/crm/lists/2026-03")

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  \"objectTypeId\": \"<string>\",\n  \"processingType\": \"<string>\",\n  \"customProperties\": {},\n  \"filterBranch\": {\n    \"filterBranchOperator\": \"<string>\",\n    \"filterBranchType\": \"OR\",\n    \"filterBranches\": [\n      {\n        \"filterBranchOperator\": \"<string>\",\n        \"filterBranchType\": \"AND\",\n        \"filterBranches\": \"<array>\",\n        \"filters\": [\n          {\n            \"filterType\": \"PROPERTY\",\n            \"operation\": {\n              \"includeObjectsWithNoValueSet\": true,\n              \"operationType\": \"BOOL\",\n              \"operator\": \"<string>\",\n              \"value\": true\n            },\n            \"property\": \"<string>\"\n          }\n        ]\n      }\n    ],\n    \"filters\": [\n      {\n        \"filterType\": \"PROPERTY\",\n        \"operation\": {\n          \"includeObjectsWithNoValueSet\": true,\n          \"operationType\": \"BOOL\",\n          \"operator\": \"<string>\",\n          \"value\": true\n        },\n        \"property\": \"<string>\"\n      }\n    ]\n  },\n  \"listFolderId\": 123,\n  \"membershipSettings\": {\n    \"includeUnassigned\": true,\n    \"membershipTeamId\": 123\n  }\n}"

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

{
  "list": {
    "listId": "<string>",
    "listVersion": 123,
    "name": "<string>",
    "objectTypeId": "<string>",
    "processingStatus": "<string>",
    "processingType": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "createdById": "<string>",
    "deletedAt": "2023-11-07T05:31:56Z",
    "filterBranch": {
      "filterBranchOperator": "<string>",
      "filterBranchType": "OR",
      "filterBranches": [
        {
          "filterBranchOperator": "<string>",
          "filterBranchType": "AND",
          "filterBranches": "<array>",
          "filters": [
            {
              "filterType": "PROPERTY",
              "operation": {
                "includeObjectsWithNoValueSet": true,
                "operationType": "BOOL",
                "operator": "<string>",
                "value": true
              },
              "property": "<string>"
            }
          ]
        }
      ],
      "filters": [
        {
          "filterType": "PROPERTY",
          "operation": {
            "includeObjectsWithNoValueSet": true,
            "operationType": "BOOL",
            "operator": "<string>",
            "value": true
          },
          "property": "<string>"
        }
      ]
    },
    "filtersUpdatedAt": "2023-11-07T05:31:56Z",
    "listPermissions": {
      "teamsWithEditAccess": [
        123
      ],
      "usersWithEditAccess": [
        123
      ]
    },
    "membershipSettings": {
      "includeUnassigned": true,
      "membershipTeamId": 123
    },
    "size": 123,
    "updatedAt": "2023-11-07T05:31:56Z",
    "updatedById": "<string>"
  }
}

{
  "message": "Invalid input (details will vary based on the error)",
  "correlationId": "aeb5f871-7f07-4993-9211-075dc63e7cbf",
  "category": "VALIDATION_ERROR",
  "links": {
    "knowledge-base": "https://www.hubspot.com/products/service/knowledge-base"
  }
}