---
title: "Changes to Create"
method: POST
path: "/crm/objects/2026-03/postal_mail"
---

# Changes to Create

`POST /crm/objects/2026-03/postal_mail`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 52 revisions.

- **2026-09-22** (2026-03) `cc578f3a55a3`: 1 info
- **2026-06-23** (2026-03) `b8d9446f9691`: 1 info
- **2026-06-15** (2026-03) `c590c78e0553`: 1 warning
- **2026-04-15** (2026-03) `712a22ca2cea`: 5 info

## Changes

- **2026-09-22** (2026-03) `cc578f3a55a3`: 1 info
  - the endpoint scheme security `oauth2` was removed from the API
- **2026-06-23** (2026-03) `b8d9446f9691`: 1 info
  - added the optional property `warnings` to the response with the `201` status
- **2026-06-15** (2026-03) `c590c78e0553`: 1 warning
  - the optional response header `Location` removed for the status `201`
- **2026-04-15** (2026-03) `712a22ca2cea`: 5 info
  - the endpoint scheme security `app_cookie` was removed from the API
  - the endpoint scheme security `hapikey` was removed from the API
  - the endpoint scheme security `internal_cookie` was removed from the API
  - the endpoint scheme security `private_apps` was removed from the API
  - the endpoint scheme security `shhkey` was removed from the API

---

[Operation](https://skmtc.dev/hubspot/apis/crm-postal-mail/docs/crm/objects/2026-03/postal_mail/post.md) - [API](https://skmtc.dev/hubspot/apis/crm-postal-mail.md) - [Page](https://skmtc.dev/hubspot/apis/crm-postal-mail/changes/crm/objects/2026-03/postal_mail/post)