Event Types

We support Call Me Back and User Feedback events for webhooks. Each event has its resources that can be referred from the resource column.

Event	Event Trigger	Resources
Call me back	When a user requests a call me back from the Truecaller App in the scenario of a missed / rejected call	Type - Feature for which the webhook is being used. Created At - Event creation time. JSON content - Structure of payload data that is sent to the Business Client.
User Feedback	When a user responds to a campaign based on the type of call, answered or missed / rejected. This response is from the campaign on the Truecaller app.	Type: Feature for which the webhook is being used. Created at: event creation time. JSON content: structure of payload data that is sent to the business client.

Configure your systems to consume webhook response by assigning appropriate fields to the below scenarios :

Payload - Call Me Back

#For Customers with Slot Picker

// For Customers with Slot Picker - Scenario 1
// Happy Flow

{
  "event_id": "860a7f4c-6545-40f1-85be-3655edde650f",
  "client_account_id": "91c173bb-28d8-4030-9722-8663ff9589f3",
  "event_type": "cmb",
  "created_at": "1753945760",
  "cmb_payload": {
    "business_number": "910987654321",
    "feature_set": "Fresh Flower Delivery",
    "client_number": "911234567890",
    "requested_at": "1753945760",
    "requested_date": "2025-08-02",
    "requested_slot": "Saturday",
    "preferred_from_time": "1754116200",
    "preferred_to_time": "1754118000",
    "is_interested": true,
    "alternate_number": "",
    "cmb_config_name": "CMBName"
  }
}

// For Customers with Slot Picker - Scenario 2
// SIMinfo related issues on device

{
  "event_id": "119be0c3-d23f-4728-8e42-d936c2e8dad6",
  "client_account_id": "91c173bb-28d8-4030-9722-8663ff9589f3",
  "event_type": "cmb",
  "created_at": "1753945773",
  "cmb_payload": {
    "business_number": "910987654321",
    "feature_set": "Testfeature",
    "client_number": "Phone number not available",
    "requested_at": "1753945773",
    "requested_date": "2025-08-02",
    "requested_slot": "Friday",
    "preferred_from_time": "1754031600",
    "preferred_to_time": "1754033400",
    "is_interested": true,
    "alternate_number": "911234567898",
    "cmb_config_name": "CMBName"
  }
}

// For Customers with Slot Picker - Scenario 3 
// Customers who are Not Interested 

{
  "event_id": "17c023e6-444c-4938-b09f-69b31aa2e55a",
  "client_account_id": "91c173bb-28d8-4030-9722-8663ff9589f3",
  "event_type": "cmb",
  "created_at": "1761719222",
  "cmb_payload": {
    "business_number": "911234567897",
    "feature_set": "New Feature Set-12",
    "client_number": "918765432198",
    "requested_at": "1761719222",
    "requested_date": "NA",
    "requested_slot": "NA",
    "preferred_from_time": null,
    "preferred_to_time": null,
    "is_interested": false,
    "alternate_number": "",
    "cmb_config_name": "CMBName"
  }
}

Field Name	Type	Description
event_id	String (UUID)	Unique identifier for the event. Used for tracking and deduplication.
client_account_id	String (UUID)	Unique ID representing the client/business account generating the event.
event_type	String	Type of event. cmb refers to the Call Me Back workflow.
created_at	String (Unix timestamp)	Time when the event was created (in epoch seconds).
business_number	String	The business phone number associated with the callback request.
feature_set	String	Feature Set to which the business phone number is associated
client_number	String	End-user’s phone number from which the callback was requested
requested_at	String (Unix timestamp)	Timestamp when the callback request was initiated.
requested_date	String (Date)	Preferred date for the callback (YYYY-MM-DD format).
requested_slot	String	Day of the slot selected by the user (e.g., Friday).
preferred_from_time	String (Unix timestamp)	Start time of preferred callback time window.
preferred_to_time	String (Unix timestamp)	End time of preferred callback time window.
is_interested	Boolean	Indicates whether the user has shown interest (true = qualified intent; false = Not interested).
alternate_number	String	Alternate contact number provided by the user when primary phone number is not available in the client_number field
cmb_config_name	String	Name of the CMB configuration setup used for this workflow.

Payload - User Feedback

{
  "event_id": "7719f451-5436-470a-98ba-422b997582f8",
  "client_account_id": "91c173bb-28d8-4030-9722-8663ff9589f3",
  "event_type": "user_feedback",
  "created_at": "1753946877",
  "survey_payload": {
    "name": "Flower Quality Check",
    "business_number": "[phone]",
    "feature_set": "Fresh Flower Delivery",
    "client_number": "911234567890",
    "requested_at": "1753946877",
    "user_responses": [
      {
        "question": "How was the delivery experience?",
        "response": "5"
      },
      {
        "question": "Flower Quality?",
        "response": "Good"
      }
    ]
  }
}