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To get a Slack alert each time a new Dynamic Video is created, connect Sendspark to Slack through Zapier. Create a webhook in Sendspark, catch it with Zapier’s Catch Hook trigger, paste the generated URL back into your Sendspark webhook, attach it to your Dynamic Video campaign, then add a Slack “Send a Message” action.

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Key takeaways

  • This setup uses a Sendspark webhook paired with a Zapier Zap (Webhooks by Zapier → Slack).
  • In Sendspark, create and name a new webhook under Menu → Webhooks.
  • In Zapier, use the Catch Hook trigger, copy the generated URL, and paste it back into your Sendspark webhook.
  • Attach the webhook to your Dynamic Video campaign, then add Slack’s Send a Message action and choose your channel.
Is the video too long? Here’s the quick version In SendSpark:
  • Go to Menu.
  • Select Webhooks.
  • Create a new webhook.
  • Name your webhook. SendSpark webhook creation form with name field highlighted
In Zapier:
  • Create a new Zap.
  • Click on Trigger.
  • Search for Webhooks by Zapier.
  • Select Catch Hook.
  • Continue and copy the generated URLZapier Catch Hook trigger setup page with generated webhook URL
Back in SendSpark:
  • Paste the URL in the webhook you created.
  • Create the webhook SendSpark webhook configuration panel with URL paste field
Create a Dynamic Video campaign:
  • Create a new Dynamic Video Campaign
  • Go to the Webhooks section.
  • Select the campaign you just created. SendSpark Dynamic Video Campaign webhooks section with campaign selection
Related topics: -How to create a Dynamic Campaign for the first time: create a dynamic video campaign -How to automatically create videos by form submission: HubSpot workflow integration In Zapier:
  • Click on Test Trigger. Zapier Test Trigger button in webhook configuration interface
  • Search for Slack.
  • Select Send a Message. Zapier action selection showing Slack Send a Message option
  • Continue and choose your Slack channel. Zapier Slack channel selection dropdown menu for message delivery
  • Customize the message.
  • Click on Continue and confirm the notification in Slack. Zapier notification confirmation page with Continue button
  • DONE!!

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Frequently asked questions

Go to Menu, select Webhooks, create a new webhook, and give it a name. You’ll paste the Zapier URL into this webhook in a later step.
In Zapier, create a new Zap, click Trigger, search for Webhooks by Zapier, and select Catch Hook. Continue, then copy the generated URL and paste it into the webhook you created in Sendspark.
After creating a Dynamic Video campaign, go to the Webhooks section and select that campaign. This attaches your webhook so it fires for new videos in that campaign.
In Zapier, click Test Trigger, then search for Slack and select Send a Message. Continue, choose your Slack channel, customize the message, and confirm the notification in Slack.
Updated July 2026.