Execute business logic on realtime events at scale

How do Pusher Serverless Functions work?

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  Pusher-hosted infrastructure and resources

  Trigger Functions using Channels events, without the need to spin up servers. Pusher ensures your code runs in a secure environment – helping you to handle unlimited messages with no manual intervention.

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  Flexible implementation

  Customize your realtime message response and automate business logic in your message pipeline. Programatically deploy Functions via the Pusher CLI.

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  Simple, scalable business logic

  Available to all subscribers, Pusher Functions are easy and fast to execute, with costs rolled up to your existing Channels plan. Our low-latency realtime infrastructure scales with you.