---
title: "POST /v1/whatsapp/flow/assets/update"
method: POST
path: "/v1/whatsapp/flow/assets/update"
---

# POST /v1/whatsapp/flow/assets/update

`POST /v1/whatsapp/flow/assets/update`

Updates the Flow JSON definition (assets) of a WhatsApp Flow. Updating a published Flow's assets reverts it to DRAFT status, requiring re-publishing.

## Request body

- object
  - `id` string, required — The ID of the WhatsApp Business Account associated with this Flow.
  - `flowId` string, required — The unique identifier of the Flow whose assets to update.
  - `flowJson` string, required — The updated Flow JSON definition. Maximum size is 10 MB.

## Response `200`

Success

- UpdateWhatsAppFlowAssetsOutput
  - `validationErrors` MetaFlowValidationError[] — A list of validation errors returned by Meta, if any. Validation errors must be resolved before the Flow can be published.

## Other responses

- `480` — ValidationException
- `481` — AccessDeniedException
- `482` — ResourceNotFoundException
- `483` — InvalidParametersException
- `484` — AccessDeniedByMetaException
- `485` — ThrottledRequestException
- `486` — InternalServiceException
- `487` — DependencyException

---

[API](https://skmtc.net/aws/apis/socialmessaging.md) · [All operations](https://skmtc.net/aws/apis/socialmessaging/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/socialmessaging/versions/127e73cd9a15/schema)