---
title: "Changes to Create new calling extension settings for a specific app."
method: POST
path: "/crm/v3/extensions/calling/{appId}/settings"
---

# Changes to Create new calling extension settings for a specific app.

`POST /crm/v3/extensions/calling/{appId}/settings`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 5 of 57 revisions.

- **2026-09-21** (v3) `d46fae226f7c` — 2 info
- **2026-07-13** (v3) `c718e7e49476` — 1 info
- **2026-07-13** (v3) `5defff6b9fd1` — 1 breaking
- **2026-07-13** (v3) `43b228cfd340` — 1 breaking
- **2026-05-04** (v3) `1508278918e2` — 1 info

## Changes

- **2026-09-21** (v3) `d46fae226f7c` — 2 info
  - the endpoint scheme security `developer_hapikey` was added to the API
  - the endpoint scheme security `oauth2` was removed from the API
- **2026-07-13** (v3) `c718e7e49476` — 1 info
  - endpoint added
- **2026-07-13** (v3) `5defff6b9fd1` — 1 breaking
  - api path removed without deprecation
- **2026-07-13** (v3) `43b228cfd340` — 1 breaking
  - api path removed without deprecation
- **2026-05-04** (v3) `1508278918e2` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/hubspot/apis/crm-calling-extensions/docs/crm/v3/extensions/calling/:appId/settings/post.md) · [API](https://skmtc.dev/hubspot/apis/crm-calling-extensions.md) · [Page](https://skmtc.dev/hubspot/apis/crm-calling-extensions/changes/crm/v3/extensions/calling/:appId/settings/post)