API limits for segment-based push notifications (Friday Night Funkin community site)

Hello support team, I am currently integrating the PushCrew REST API for a gaming news website dedicated to Friday Night Funkin mods. We plan to send automated push notifications whenever a popular mod gets updated. Given that our subscriber list is growing rapidly, I want to ensure I don't hit any rate limits when triggering pushes to specific segments (e.g., users subscribed to "Week 7" updates). Does the API support batching these requests, or should I throttle the calls on my backend? Any advice on handling high-volume triggers would be appreciated. Thanks!