---
title: "Changes to Batch update custom field values"
method: POST
path: "/v1/custom-fields/batch-update-contacts"
---

# Changes to Batch update custom field values

`POST /v1/custom-fields/batch-update-contacts`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 59 revisions.

- **2026-10-22** `62f85fb89e0e`: 3 info
- **2026-10-08** `442b12828a68`: 1 info
- **2026-09-03** `aac20b882b49`: 2 info
- **2026-08-27** `a2f71a243839`: 2 info

## Changes

- **2026-10-22** `62f85fb89e0e`: 3 info
  - added the new optional request property `custom_fields/items/boolean_value`
  - added the new optional request property `custom_fields/items/linked_contact_ids`
  - added the new optional request property `custom_fields/items/number_value`
- **2026-10-08** `442b12828a68`: 1 info
  - added the new optional request property `custom_fields/items/member_user_id`
- **2026-09-03** `aac20b882b49`: 2 info
  - added the new optional request property `custom_fields/items/mode`
  - added the new optional request property `custom_fields/items/separator`
- **2026-08-27** `a2f71a243839`: 2 info
  - api operation id `batchUpdateContactCustomFieldsV1` was added
  - added the non-success response with the status `409`

---

[Operation](https://skmtc.dev/getdex/apis/dex-public-api/docs/v1/custom-fields/batch-update-contacts/post.md) · [API](https://skmtc.dev/getdex/apis/dex-public-api.md) · [Page](https://skmtc.dev/getdex/apis/dex-public-api/changes/v1/custom-fields/batch-update-contacts/post)