---
title: "Add Suppression"
method: POST
path: "/api/v1/gtm/outbound/suppression"
tags: ["GTM - Outbound"]
---

# Add Suppression

`POST /api/v1/gtm/outbound/suppression`

## Request

- Base URL: `https://api.gemstoneaiapp.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.gemstoneaiapp.com/api/v1/gtm/outbound/suppression`
- Auth: none declared

## Headers

- `x-admin-key` string, nullable

## Request body

- SuppressionEntry
  - `email` string, required
  - `domain` string, nullable
  - `reason` string, required
  - `notes` string, nullable

## Response `201`

Successful Response

- SuppressionResponse
  - `id` integer, required
  - `email` string, required
  - `domain` string, nullable
  - `reason` string, required
  - `suppressed_at` string, date-time, required
  - `notes` string, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/gemstoneaiapp/apis/gemstoneai-api.md) · [All operations](https://skmtc.dev/gemstoneaiapp/apis/gemstoneai-api/llms.txt) · [OpenAPI document](https://skmtc.dev/gemstoneaiapp/apis/gemstoneai-api/revisions/fcb441f55161?raw)