---
title: "Changes to Build bulk resource undelegation transactions"
method: POST
path: "/api/v2/{coin}/wallet/{walletId}/undelegateResources/build"
---

# Changes to Build bulk resource undelegation transactions

`POST /api/v2/{coin}/wallet/{walletId}/undelegateResources/build`

> Every recorded change to this operation, newest first.
> 57 revisions in range; 1 not diffed.

## Timeline

Changed in 1 of 57 revisions.

- **2026-09-30** `2ef1a1cca09a`: 2 info

## Changes

- **2026-09-30** `2ef1a1cca09a`: 2 info
  - added the new optional request property `preview`
  - added the new optional request property `undelegations/items/sequenceId`

---

[Operation](https://skmtc.dev/bitgo/apis/bitgo-api/docs/api/v2/:coin/wallet/:walletId/undelegateResources/build/post.md) - [API](https://skmtc.dev/bitgo/apis/bitgo-api.md) - [Page](https://skmtc.dev/bitgo/apis/bitgo-api/changes/api/v2/:coin/wallet/:walletId/undelegateResources/build/post)