---
title: "Changes to Update an existing automation flow."
method: PUT
path: "/automation/v4/2027-03-beta/flows/{flowId}"
---

# Changes to Update an existing automation flow.

`PUT /automation/v4/2027-03-beta/flows/{flowId}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 7 revisions.

- **2026-10-27** (2027-03-beta) `f041eccef172`: 14 breaking, 14 info
- **2026-09-21** (2027-03-beta) `a8b693066f9e`: 4 info

## Changes

- **2026-10-27** (2027-03-beta) `f041eccef172`: 14 breaking, 14 info
  - added `#/components/schemas/ApiCriteriaBranchAction` to the `oneOf[#/components/schemas/ApiContactFlow]/actions/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiCriteriaBranchAction` to the `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlow]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlow]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue/oneOf[subschema #14: LIST]/values/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlow]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlow]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value/oneOf[subschema #14: LIST]/values/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlow]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlow]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value/oneOf[subschema #14: LIST]/values/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue/oneOf[subschema #14: LIST]/values/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value/oneOf[subschema #14: LIST]/values/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value/oneOf[subschema #14: LIST]/values/items/` response property `oneOf` list for the response status `200`
  - added `#/components/schemas/ApiCriteriaBranchAction` to the `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/` request property `oneOf` list
  - added `#/components/schemas/ApiCriteriaBranchAction` to the `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue/oneOf[subschema #14: LIST]/values/items/` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value/oneOf[subschema #14: LIST]/values/items/` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value/oneOf[subschema #14: LIST]/values/items/` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/inputValue/oneOf[subschema #14: LIST]/values/items/` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/oneOf[subschema #4: CUSTOM_CODE]/inputFields/items/value/oneOf[subschema #14: LIST]/values/items/` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value` request property `oneOf` list
  - added `#/components/schemas/ApiMultiValue` to the `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/oneOf[subschema #5: WEBHOOK]/queryParams/items/value/oneOf[subschema #14: LIST]/values/items/` request property `oneOf` list
- **2026-09-21** (2027-03-beta) `a8b693066f9e`: 4 info
  - added the new optional request property `oneOf[#/components/schemas/ApiContactFlowPutRequest]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/staticBranches/items/operator`
  - added the new optional request property `oneOf[#/components/schemas/ApiPlatformFlowPutRequest]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/staticBranches/items/operator`
  - added the optional property `oneOf[#/components/schemas/ApiContactFlow]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/staticBranches/items/operator` to the response with the `200` status
  - added the optional property `oneOf[#/components/schemas/ApiPlatformFlow]/actions/items/oneOf[subschema #1: STATIC_BRANCH]/staticBranches/items/operator` to the response with the `200` status

---

[Operation](https://skmtc.dev/hubspot/apis/automation-automation-v4/docs/automation/v4/2027-03-beta/flows/:flowId/put.md) - [API](https://skmtc.dev/hubspot/apis/automation-automation-v4.md) - [Page](https://skmtc.dev/hubspot/apis/automation-automation-v4/changes/automation/v4/2027-03-beta/flows/:flowId/put)