---
title: "Outlook Webhook"
method: POST
path: "/email-integrations/webhooks/outlook"
tags: ["email-integrations"]
---

# Outlook Webhook

`POST /email-integrations/webhooks/outlook`

Microsoft Graph change notifications for Aspire Outlook-native rep mailboxes.
Echoes the validationToken on subscription setup; otherwise verifies clientState
and backgrounds a sync + orchestrator run for each affected mailbox (returns 202 fast).

## Query parameters

- `validationToken` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/noso/apis/crucible-backend-api.md) · [All operations](https://skmtc.dev/noso/apis/crucible-backend-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/noso/crucible-backend-api/revisions/2aac272a57fd/schema)