---
title: "Create a new object type"
method: POST
path: "/media-bridge/2026-03/{appId}/settings/object-definitions"
tags: ["Advanced"]
---

# Create a new object type

`POST /media-bridge/2026-03/{appId}/settings/object-definitions`

## Request

- Base URL: `https://api.hubapi.com`
- URL: `https://api.hubapi.com/media-bridge/2026-03/{appId}/settings/object-definitions`
- Auth: one of:
  - HTTP bearer
  - API key in query parameter `hapikey`
  - none

Create a new media object type

## Path parameters

- `appId` integer, required

## Request body

- CmsMediaBridgeIntegratorObjectCreationRequest
  - `mediaTypes` string[], required

## Response `200`

successful operation

- CmsMediaBridgeBulkIntegratorObjectCreationResponse
  - `createdObjects` object, required

## Other responses

- `default`: An error occurred.

## Changes

> 14 revisions in range; 1 not diffed, 2 could not be searched.

- **2026-05-27** `f9c7181056c5`: 1 info
  - added the optional property `createdObjects/additionalProperties/objectType/visibility_values` to the response with the `200` status
- **2026-03-30** `dc2fdad57f7f`: 4 breaking, 179 warning, 48 info
  - for the `path` request parameter `appId`, the type changed from `string` to `integer`, and format from no format to `int32`
  - the `createdObjects/additionalProperties/properties/items/property/createdAt` response's property type changed from `string` to `integer`, and format from `date-time` to `int64` for status `200`
  - the `createdObjects/additionalProperties/properties/items/property/createdUserId` response's property type changed from `string` to `integer`, and format from no format to `int64` for status `200`
  - the `createdObjects/additionalProperties/properties/items/property/updatedAt` response's property type changed from `string` to `integer`, and format from `date-time` to `int64` for status `200`
  - …227 more
- **2026-03-25** `62586336cea2`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/hubspot/apis/hubspot-api-specification/changes/media-bridge/2026-03/:appId/settings/object-definitions/post.md)

---

[API](https://skmtc.dev/hubspot/apis/hubspot-api-specification.md) - [All operations](https://skmtc.dev/hubspot/apis/hubspot-api-specification/llms.txt) - [OpenAPI document](https://skmtc.dev/hubspot/apis/hubspot-api-specification/revisions/f9c7181056c5?raw)