# OneSignal REST API MCP - Tools, Setup and Examples | FlyMy.AI > OneSignal REST API MCP for Claude, Cursor and Codex. Messages, with 8 actions. Your API key. See setup, examples and pricing. Page: https://flymy.ai/mcp/onesignal-rest-api/ MCP / Messaging # OneSignal REST API MCP: messages The OneSignal REST API enables developers to programmatically send push notifications, emails, and SMS, manage users and subscriptions, and configure apps. Connect it to Claude, Codex, Cursor or any MCP client through one FlyMy.AI MCP. [Connect OneSignal REST API](https://flymy.ai/mcp/onesignal-rest-api/#connect) [What it can do](https://flymy.ai/mcp/onesignal-rest-api/#actions) Your own API key, 8 actions, Messaging $ YOUR NEXT RUN Claude Code, Codex, Cursor, Any agent ## Use OneSignal REST API MCP in your assistant Paste this prompt into Claude Code, Codex, Cursor or any agent. It reads the guide and helps you connect. ``` Read https://flymy.ai/skill.md and https://flymy.ai/mcp/onesignal-rest-api.md. Help me connect OneSignal REST API MCP to this assistant. Then help me run this task: Use OneSignal REST API to create notification. Ask me for the required inputs first and show the result. ``` [Open FlyMy.AI](https://app.flymy.ai/new-agent) [Download brief](https://flymy.ai/mcp/onesignal-rest-api.md) ## What OneSignal REST API MCP can do 8 actions in the FlyMy.AI catalog, the most used first. Your agent finds them through search_tools and calls the one the task needs. | Action | What it does | |---|---| | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_CREATE_NOTIFICATION) `ONESIGNAL_REST_API_CREATE_NOTIFICATION` | Create and send a onesignal push notification. | | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_DELETE_DEVICE) `ONESIGNAL_REST_API_DELETE_DEVICE` | Delete a device (player) from a onesignal app. | | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_UPDATE_DEVICE) `ONESIGNAL_REST_API_UPDATE_DEVICE` | Update properties of an existing device. | | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_VIEW_AN_APP) `ONESIGNAL_REST_API_VIEW_AN_APP` | Retrieve metadata for a single onesignal app. | | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_VIEW_DEVICE) `ONESIGNAL_REST_API_VIEW_DEVICE` | Retrieve details of a specific device (player). | | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_VIEW_DEVICES) `ONESIGNAL_REST_API_VIEW_DEVICES` | Retrieve a paginated list of devices (players) for a onesignal app. | | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_VIEW_NOTIFICATIONS) `ONESIGNAL_REST_API_VIEW_NOTIFICATIONS` | Retrieve details of multiple notifications. | | [#](https://flymy.ai/mcp/onesignal-rest-api/#method-ONESIGNAL_REST_API_VIEW_SEGMENTS) `ONESIGNAL_REST_API_VIEW_SEGMENTS` | View segments for a onesignal app. | ## Ask your agent Requests to paste as they are. Each one runs on the actions named under it. **“Use OneSignal REST API to create notification. Ask me for the required inputs first and show the result.”** uses `ONESIGNAL_REST_API_CREATE_NOTIFICATION` **“Use OneSignal REST API to delete device. Ask me for the required inputs first and show the result.”** uses `ONESIGNAL_REST_API_DELETE_DEVICE` **“Use OneSignal REST API to update device. Ask me for the required inputs first and show the result.”** uses `ONESIGNAL_REST_API_UPDATE_DEVICE` ## Connect OneSignal REST API in a minute One MCP for every integration. Add it once, then every MCP in the catalog is a request away. 1. 01 ### Add FlyMy.AI Add the FlyMy.AI MCP to your assistant with one of the commands below and sign in. No key to copy. 2. 02 ### Add your OneSignal App API Key Paste it into the OneSignal REST API [connection settings](https://app.flymy.ai/mcp-configs#onesignal_rest_api) once; it stays with FlyMy.AI, never in a prompt or a chat. - **OneSignal App API Key** - The App API Key is a private key used for most REST API requests related to a specific app. Find it in the OneSignal Dashboard under Settings > Keys & IDs. [Get API key →](https://dashboard.onesignal.com/apps) 3. 03 ### Ask Paste a request from this page. Every run shows what it cost. Claude Code ``` claude mcp add --transport http flymyai https://mcp-agents.flymy.ai/mcp ``` Then run /mcp in Claude Code and sign in. Codex ``` codex mcp add flymy --url https://mcp-agents.flymy.ai/mcp ``` Then run codex mcp login flymy to sign in. claude.ai and Claude Desktop ``` https://mcp-agents.flymy.ai/mcp ``` Settings, Connectors, Add custom connector: paste this URL. ## Pay per run FlyMy.AI bills the run: the model and the tool's seconds. Calls go to your own OneSignal REST API account, under its plan and limits. No seats and no minimum. [See usage pricing →](https://flymy.ai/pricing/) ## More Messaging MCPs Email, chat, SMS and notifications. ### Telegram Bot Telegram bot send/receive - closest to an SMS bot 7 actions / your API key Link: https://flymy.ai/mcp/telegram-bot/ ### Telegram Personal Telegram via your own account - DM/read anyone, resolve @username/contacts 66 actions / phone login Link: https://flymy.ai/mcp/telegram/ ### Mail Transactional email via FlyMyAI relay 1 action / no key Link: https://flymy.ai/mcp/mail/ ### Slack Bot Slack Bot: post and read as the FlyMyAI bot in channels it was added to 8 actions / sign in Link: https://flymy.ai/mcp/slack-bot/ ### Gmail Gmail is Google's email service, featuring spam protection, search functions, and seamless integration with other G Suite apps for productivity 23 actions / sign in Link: https://flymy.ai/mcp/gmail/ ### Slack Slack as you: search messages and files, read and post in channels and DMs, threads, files, canvases, lists, reminders, user groups 120 actions / sign in Link: https://flymy.ai/mcp/slack/ ## Go to the source [OneSignal REST API in the docs →](https://docs.flymy.ai/mcp/apps/onesignal_rest_api), [OneSignal REST API connection settings →](https://app.flymy.ai/mcp-configs#onesignal_rest_api), [OneSignal REST API website →](https://onesignal.com/), [Every MCP in the catalog →](https://flymy.ai/mcp/#catalog), [Usage pricing →](https://flymy.ai/pricing/) From the FlyMy.AI platform catalog of 2026-11-03: name, description, actions and setup as the platform lists them. Examples are requests to paste, not recorded runs. --- For agents: the FlyMyAI operating guide (sign up, connect, run models, tools and agents) is https://flymy.ai/skill.md, and https://flymy.ai/llms.txt lists the other pages and the documentation.