---
title: "Signed incremental Impact Updates"
method: GET
path: "/twins"
---

# Signed incremental Impact Updates

`GET /twins`

## Request

- Base URL: `https://zoningverdict.com/api/v1`
- URL: `https://zoningverdict.com/api/v1/twins`
- Auth: HTTP bearer

Poll using the original purchased Preflight workflow ID and its Authorization: Bearer access token. Incremental signed versions use after_version cursor; no charge per poll.

## Query parameters

- `workflow_id` string, required
- `after_version` integer

## Response `200`

Signed incremental Impact Updates

- object

---

[API](https://skmtc.dev/zoningverdict/apis/zoningverdict-api.md) · [All operations](https://skmtc.dev/zoningverdict/apis/zoningverdict-api/llms.txt) · [OpenAPI document](https://skmtc.dev/zoningverdict/apis/zoningverdict-api/revisions/8caf245fd623?raw)