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To connect Instantly.ai with Sendspark Agentic Workflows, add your Instantly API key in Sendspark (Agentic Workflows → Apps → Add Connection → Instantly), then copy the webhook URL Sendspark provides and add it in Instantly under Settings → Integrations → Webhooks with All Events and All Campaigns selected. Instantly events can then trigger Sendspark automations.

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Key takeaways

  • Two setup steps: add the Instantly API key in Sendspark, then add Sendspark’s webhook URL in Instantly.
  • Generate the API key in Instantly under Settings → Integrations → API Keys with All scopes recommended.
  • When adding the webhook in Instantly, select All Events and All Campaigns so every event reaches Sendspark.
  • If you lose the webhook URL, reopen the Instantly Connection Settings in Sendspark to copy it again.
  • Agentic workflows aren’t limited to Instantly. You can also automate video follow-ups across Intercom and HubSpot, or generate dynamic videos straight from a Google Sheet.

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🔑 Step 1: Add the Instantly API Key

  1. Go to Agentic Workflows → Apps → Add Connection.
  2. Select Instantly.
  3. Enter a connection name (e.g. “Dan Help Article”) or leave description blank if not needed.
  4. You’ll be prompted for an API key. To get it:
  • Log in to Instantly.
  • Go to Settings → Integrations → API Keys.
  • Click Create API Key → name it → select All scopes (recommended).
  • Click Create → copy the generated key.
  1. Return to Sendspark and paste the API key.
  2. Save the connection.
An existing Instantly connection's settings, with its name, webhook URL and API key fields 👉 At this point, the connection will process and link Instantly to Sendspark.

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🌐 Step 2: Configure the Instantly Webhook

  1. After the connection is created, Sendspark will display a Webhook URL.
  2. Copy the URL.
  3. In Instantly, go to Settings → Integrations → Webhooks
  4. Click Add Webhook → paste the URL.
  5. Under Event Types, select All Eventsto send all possible webhook events to Sendspark.
  6. Select All Campaigns to ensure that this connection will work for all campaigns in your Instantly account
  7. Click Save.
Instantly Settings page showing Webhooks section with Add Webhook button and Event Types options

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🤔 Can’t Find your Webhook URL?

If your webhook URL does not show up right away when connecting Instantly, or if you’ve already closed that screen, find this URL by…
  • Click on Instantly Connection Settings.
A workflow step's overflow menu, offering error handling, connection settings and delete
  • Copy the Webhook URL from here
Sendspark Instantly Connection Settings panel with webhook URL highlighted for copying
  • Paste it into Instantly webhook as described in the step above

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⚡ Using Instantly in Automations

Once connected, you can:
  • Go to Agentic Workflows → New automation.
  • Select Instantly as the trigger.
  • Choose an event (e.g., Email Sent).
  • Add actions in Sendspark or other connected apps.
The trigger setup dialog with Instantly chosen, listing the events that can start the automation Your automations will now run automatically based on Instantly events. 🚀

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Frequently asked questions

Log in to Instantly and go to Settings → Integrations → API Keys. Click Create API Key, name it, and select All scopes (recommended). Copy the generated key and paste it into Sendspark’s Add Connection dialog.
In Instantly’s webhook setup, choose All Events to send every possible webhook event to Sendspark, and All Campaigns so the connection works across all campaigns in your Instantly account.
Open the Instantly Connection Settings in Sendspark. The webhook URL is displayed there so you can copy it and paste it into Instantly’s webhook configuration.
Go to Agentic Workflows → New automation, select Instantly as the trigger, choose an event (such as Email Sent), and add actions in Sendspark or other connected apps. Automations then run automatically based on those Instantly events.
Updated July 2026.