# OneSignal REST API MCP

Vendor: OneSignal REST API  
Category: other  
Auth: API_KEY  
Composio slug: `onesignal_rest_api`

The OneSignal REST API enables developers to programmatically send push notifications, emails, and SMS, manage users and subscriptions, and configure apps.

## Setup

1. Create or open a Switchy Space.
2. Open Integrations and connect OneSignal REST API.
3. Authorise through api_key.
4. Teammates can now @-mention OneSignal REST API tools in chat.

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Last verified: 2026-04-23T23:46:29.618Z  
Canonical URL: https://switchy.build/mcps/onesignal-rest-api