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This guide explains how to configure an Inbound Webhook in Inflection and connect it to Zoom to ingest webinar or meeting activity data. This data can then trigger actions or target users within Inflection journeys.
  1. Navigate to: Assets → Inbound Webhook
  2. Click “New Connection”
  3. Select Zoom from the list Selecting Zoom from the list of inbound webhook connection types
  4. Provide a Connection Name and optional Description
  5. Copy and paste Webhook Secret Token from Zoom app (app creation steps are detailed below) Webhook Secret Token field in the Zoom connection setup
  6. Choose an Authentication Method:
    • No Auth
    • Basic Auth
    • API Key
  7. Enable or disable “Create New Contact”:
    • ✅ Enabled – A new contact will be created when a new email is received
    • ❌ Disabled – Only existing contacts will be updated
  8. Click “Generate Webhook” to finalize setup
  9. Copy the Webhook URL and authentication details (if applicable) to be used in Zoom
Authentication method cannot be changed once the connection is created

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Step 1: Create an App

  1. Log in to Zoom → Go to Zoom App Marketplace
  2. Click “Develop” → “Build App”
  3. Select Webhook Only as the app type
  4. Fill in App Name, select an Account Type, and click Create
  5. In the Feature tab, enable Event Subscriptions
  6. Click “Add Event Subscription” → Enter a Subscription Name
  7. Provide your Inflection.io Webhook URL
  8. Save and Activate the App

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Step 2: Configure Event Subscriptions

  1. Navigate to your app’s Event Subscriptions section
  2. Click Add Event Subscription
  3. Name your subscription (e.g., “Inflection Webhook”)
  4. Paste the Webhook URL from Inflection
Zoom will immediately send a url_validation challenge request — this is handled automatically by Inflection.
  1. Choose the events to track, such as:
    • Webinar Events:
      • webinar.registration_created
      • webinar.participant_joined
      • webinar.participant_left
    • Meeting Events:
      • meeting.participant_joined
      • meeting.participant_left
      • meeting.registration_created
  2. Save the configuration
Inflection supports Zoom’s challenge-response model to verify webhook URLs.

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Challenge-Response Support

When Zoom sends a url_validation payload, Inflection will:
  • Automatically extract the plainToken
  • Generate the required encryptedToken
  • Respond with both, as required by Zoom
You don’t need to handle this manually — Inflection’s backend does it for you.

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View Submissions

  • Monitor submission counts and errors from the Connection Details page

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Step 1: Enable Submission Fields

  1. Go to the Submission Fields tab
  2. Click Edit
  3. Enable required fields (e.g., email, topic, join_time, etc.)
Only enabled fields can be used in dynamic lists or journeysOnce enabled, fields cannot be disabled

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Step 2: Map Fields to Contact Properties

  1. Open the Connection Mapping tab
  2. Click Edit
  3. Map fields from Zoom payloads to Inflection contact properties:
    • Required: Email
    • Optional: Topic, Join Time, Leave Time, Duration
  4. Choose mapping rules:
    • Update if Empty
    • Always Overwrite

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Target Contacts Based on Zoom Activity

  1. Go to: Journeys → Create New Journey
  2. Add a condition: Performed a Marketing Activity → Inbound Webhook Sync
  3. Filter contacts based on:
    • Webhook name = Zoom
    • Event type = joined/left

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Personalise Communication with Tokens

Use Zoom fields to personalize outreach:
  • {{topic}} – Topic of the webinar
  • {{joinTime}} – Timestamp
  • {{duration}} – Time spent in the session
Examples:
  • Send follow-ups to attendees
  • Nurture leads who registered but didn’t attend
  • Trigger surveys post-meeting

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Segment Using Branch by Filter

  • Route users differently based on:
    • Whether they joined a session
    • How long they stayed
    • Session type (internal onboarding vs customer webinar)