---
title: "Get flow preview URL"
method: GET
path: "/v1/whatsapp/flows/{flowId}/preview"
tags: ["WhatsApp Flows"]
---

# Get flow preview URL

`GET /v1/whatsapp/flows/{flowId}/preview`

Get Meta's public web-preview URL for a flow (drafts included), embeddable as an
interactive iframe. The link is reused across calls (valid ~30 days); pass
invalidate=true to mint a fresh one (the previous link stops working).

## Path parameters

- `flowId` string, required

## Query parameters

- `accountId` string, required
- `invalidate` boolean

## Response `200`

Preview URL

- object
  - `preview_url` string, nullable
  - `expires_at` string, nullable

## Other responses

- `401` — Unauthorized
- `404` — Flow or account not found

---

[API](https://skmtc.net/zernio/apis/zernio-api.md) · [All operations](https://skmtc.net/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zernio/zernio-api/versions/51932b099b2f/schema)