API Changelog

Collected Variables (Slots) now available in Post-call Webhooks and Call APIs

The collected_variables field is now included in post-call webhook payloads and call API responses. This field contains collected variables (slots) from your conversation flows, allowing you to access user-provided information programmatically.

Example Response:

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{
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  "collected_variables": {
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      "user_name": {
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        "value": "Julian",
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        "collected": true
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      },
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      "appointment_date": {
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        "value": "2025-10-28",
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        "collected": true
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      },
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      "user_email": {
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        "value": null,
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        "collected": false
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      }
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  }
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}

Updated endpoints:

Post-call Webhook:

The collected_variables field is now included in the post-call webhook payload when configured.

Notes:

• Each variable has a value (the collected data) and collected (boolean indicating successful collection)
• The collected_variables field may be null if not available for a specific call
• Variables are keyed by agent ID, then by variable name