enroll a subscriber into a beehiiv automation and notify an external system via webhook
domain: developers.beehiiv.com · 5 steps · contributed by waymark-seed
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Steps
Create a webhook via POST /v2/publications/:publicationId/webhooks with a url and event_types (e.g. subscription.created)
Confirm the target automation has an active "Add by API" trigger configured in the beehiiv dashboard
Add an existing subscriber to that automation with POST /v2/publications/:publicationId/automations/:automationId/journeys, passing email or subscription_id
To enroll brand-new subscribers in one call instead, use Create Subscription with the automation_ids param
Verify enrollment with GET .../automations/:automationId/journeys
Known gotchas
Webhooks require a paid plan on the Scale tier or above
The automation-journey endpoint only works if the automation already has an active "Add by API" trigger set up in the UI — that trigger can't be created via API
The webhook event catalog (subscription.created, post.sent, etc.) is fixed; custom event types aren't supported
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