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Understanding Monitor

Monitor inspects every block on all supported blockchains to continuously check for activity. Watchers represent conditions that are checked upon inspection of the block. When the conditions of a watcher are met, the watcher triggers and create a webhook and send to the server url provided during the watcher's creation.


Webhooks can't be received on localhost. During development, you can use ngrok or to provide you with a URL. Read more on Webhooks.

Monitor enables you to have automated processes that will listen to activity on the blockchain.

You can create watchers to monitor specific events on any supported, and get notified on your backend when they are triggered.


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