---
title: "Changes to POST /crm/lists/2026-03/idmapping"
method: POST
path: "/crm/lists/2026-03/idmapping"
---

# Changes to POST /crm/lists/2026-03/idmapping

`POST /crm/lists/2026-03/idmapping`

> Every recorded change to this endpoint, newest first.
> 14 revisions in range; 1 not diffed, 2 could not be searched.

## Timeline

Changed in 3 of 14 revisions.

- **2026-04-08** `b0d8bc008db9` — 1 info
- **2026-03-30** `dc2fdad57f7f` — 3 info
- **2026-03-25** `62586336cea2` — 1 info

## Changes

- **2026-04-08** `b0d8bc008db9` — 1 info
  - api operation id `post-/crm/lists/2026-03/idmapping_/crm/lists/v3/idmapping` removed and replaced with `post-/crm/lists/2026-03/idmapping`
- **2026-03-30** `dc2fdad57f7f` — 3 info
  - api operation id `post-/crm/lists/2026-03/idmapping_translateLegacyListIdToListIdBatch` removed and replaced with `post-/crm/lists/2026-03/idmapping_/crm/lists/v3/idmapping`
  - api tag `Basic` added
  - api tag `ID Mapping` removed
- **2026-03-25** `62586336cea2` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/hubspot/apis/hubspot-api-specification/docs/crm/lists/2026-03/idmapping/post.md) · [API](https://skmtc.dev/hubspot/apis/hubspot-api-specification.md) · [Page](https://skmtc.dev/hubspot/apis/hubspot-api-specification/changes/crm/lists/2026-03/idmapping/post)