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Connect OneSignal REST API

1 auth method · updated 2026-09-10

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

onesignal.com/ ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today
  1. 1
    Sign in to OneSignal REST API
    Open https://onesignal.com/ and sign in to the account you want to connect.
  2. 2
    Create the API key
    Generate a new API key from the API or developer settings in your OneSignal REST API dashboard.
  3. 3
    Copy it immediately
    OneSignal REST API usually shows the full API key only once, right after you create it. Store it somewhere safe before closing the page.
  4. 4
    Connect in Verslay
    In the Verslay Hub, open Connections, find OneSignal REST API, and paste the API key into the OneSignal App API Key field.
  5. 5
    Verify
    The connection flips to Connected. Run any read-only action once to confirm the credential has the right scopes.
  6. 6
    Rotate safely
    When you rotate later: connect the new credential first, confirm it works, then revoke the old one.

What you’ll paste into Verslay

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.

required · secret
OneSignal REST API website ↗

Connect OneSignal REST API once — every agent can use it

Verslay agents share your connections. Connect OneSignal REST API in the Hub and every use-case that needs it lights up — no per-agent setup.

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