---
title: "Fabric Notification Smoke"
method: POST
path: "/api/fabric/ops/notifications/smoke"
tags: ["Fabric"]
---

# Fabric Notification Smoke

`POST /api/fabric/ops/notifications/smoke`

## Request

- Base URL: `https://api.agentstack.tech` (the document declares no server; this is the origin it was published from)
- URL: `https://api.agentstack.tech/api/fabric/ops/notifications/smoke`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Ops/staging smoke: send one Fabric in_app notification through the full persist + SSE path (B72-full).

Requires ``FABRIC_NOTIFICATIONS_SMOKE_OPS=1`` on the server.

## Headers

- `Idempotency-Key` string

## Request body

- FabricNotificationSmokeRequest
  - `project_id` integer, required: Project scope for in_app row + SSE
  - `recipient_user_id` integer, nullable: Defaults to authenticated user
  - `title` string, nullable
  - `message` string, nullable

## Response `200`

Successful Response

- object

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `422`: Validation Error
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/agentstack/apis/agentstack-core-api.md) · [All operations](https://skmtc.dev/agentstack/apis/agentstack-core-api/llms.txt) · [OpenAPI document](https://skmtc.dev/agentstack/apis/agentstack-core-api/revisions/8ecf3406e74a?raw)