---
title: "Changes to Build a transaction"
method: POST
path: "/api/v2/{coin}/wallet/{walletId}/tx/build"
---

# Changes to Build a transaction

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

> Every recorded change to this operation, newest first.
> 59 revisions in range; 1 not diffed.

## Timeline

Changed in 2 of 59 revisions.

- **2026-10-28** `949c62f4ece3`: 2 info
- **2026-10-14** `df6644551827`: 2 info

## Changes

- **2026-10-28** `949c62f4ece3`: 2 info
  - added the new optional request property `oneOf[subschema #1: Withdrawal]/allOf[#/components/schemas/BuildParams]/unifiedRecipientPreference`
  - added the new optional request property `oneOf[subschema #2: Non participation transaction]/allOf[#/components/schemas/BuildParams]/unifiedRecipientPreference`
- **2026-10-14** `df6644551827`: 2 info
  - added the new optional request property `oneOf[subschema #1: Withdrawal]/allOf[#/components/schemas/BuildParams]/consolidationMode`
  - added the new optional request property `oneOf[subschema #2: Non participation transaction]/allOf[#/components/schemas/BuildParams]/consolidationMode`

---

[Operation](https://skmtc.dev/bitgo/apis/bitgo-api/docs/api/v2/:coin/wallet/:walletId/tx/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/tx/build/post)