Hello @LoriLynBlankenship ,
The setup of webhooks would likely need to involve the Constant Contact API, which could get into quite advanced territory. If you're developing an API or working with a developer you can view our API documentation here.
If you're just looking for the easiest way to connect your Teachable account to Constant Contact, I would recommend using our integration with Zapier. Through the Zapier integration you can connect to your Teachable account and perform sync actions between the two.
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