---
title: "Changes to Create an External Mapping"
method: POST
path: "/organizations/{orgId}/externalmappings"
---

# Changes to Create an External Mapping

`POST /organizations/{orgId}/externalmappings`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 10 revisions.

- **2025-08-01** `9f9e5f3dbde7` — 2 breaking

## Changes

- **2025-08-01** `9f9e5f3dbde7` — 2 breaking
  - the response property `allOf[#/components/schemas/AbstractResponseWithAuditFields]/allOf[#/components/schemas/AbstractResponse]/version` became optional for the status `200`
  - the response property `allOf[#/components/schemas/AbstractResponse]/version` became optional for the status `200`

---

[Operation](https://skmtc.dev/m3ter-com/apis/m3ter-api/docs/organizations/:orgId/externalmappings/post.md) · [API](https://skmtc.dev/m3ter-com/apis/m3ter-api.md) · [Page](https://skmtc.dev/m3ter-com/apis/m3ter-api/changes/organizations/:orgId/externalmappings/post)