OneSignal API

Messaging · Operational · 30d uptime 100%

Programmatic access to OneSignal messaging, user management, segments, Journeys, and data exports over HTTPS with rate limiting and retry support.

Trust signals

Pricing

FREEMIUM

Auth

API_KEY

CORS

No

Rate limit

Unknown

Health

130ms

Trust score

89 (B)

Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Strong candidate; weakest signal is CORS.

Links

Documentationdocumentation.onesignal.com/reference/rest-api-overview
Base URLdocumentation.onesignal.com/reference/rest-api-overview

Integration checklist

Auth is API_KEY
No CORS — route calls through your backend.
Rate limit: Unknown

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