> For the complete documentation index, see [llms.txt](https://docs.truecaller.com/truecaller-for-business/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.truecaller.com/truecaller-for-business/truecaller-for-business/verified-business-api-documentation/webhooks/event-types.md).

# 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.

<table><thead><tr><th width="173.0078125">Event</th><th width="279.4453125"> Event  Trigger  </th><th>Resources</th></tr></thead><tbody><tr><td>Call me back</td><td>When a user requests a call me back from the Truecaller App in the scenario of a missed / rejected call</td><td><p></p><ul><li><strong>Type:</strong> Feature for which the webhook is being used.</li><li><strong>Created At:</strong> Event creation time.</li><li><strong>JSON content:</strong> Structure of payload data that is sent to the Business Client.</li></ul></td></tr><tr><td>User Feedback</td><td>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.</td><td><p></p><ul><li><strong>Type:</strong> Feature for which the webhook is being used.</li><li><strong>Created at:</strong> event creation time.</li><li><strong>JSON content:</strong> structure of payload data that is sent to the business client.</li></ul></td></tr><tr><td>Inbound Callback</td><td>When a user taps the Call CTA on a business's profile or on the After Call screen in the Truecaller app. The call is placed to the business's configured alternate number instead of its primary number.</td><td><p></p><ul><li><strong>Type:</strong> Feature for which the webhook is being used.</li><li><strong>Created at:</strong> Event creation time.</li><li><strong>JSON content:</strong> Structure of payload data that is sent to the business client.</li></ul></td></tr></tbody></table>

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

### Payload for Call Me Back

**#For Customers with Slot Picker**

```json
// 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"
  }
}
```

```json
// 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"
  }
}
```

```json
// 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"
  }
}
```

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

### Payload for User Feedback

```json
{
  "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": "+910987654321",
    "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"
      }
    ]
  }
}
```

### Payload for Inbound Callback

```json
{
    "client_account_id": "0b9ee2ba-6d29-4f0a-95f7-0411063a186e",
    "created_at": "1790673009",
    "event_id": "f8f91fb0-bb7b-4c6e-b321-de475547a363",
    "event_type": "callback",
    "business_callback_clicked_event_payload": {
        "business_number": "918069510075",
        "click_timestamp": "1790673009",
        "display_unit": "Post Call Screen",
        "feature_set_name": "test_feature_set",
        "inbound_business_number": "918047360788",
        "reference_id": "918069510075"
    }
}
```

| Field                                     | Type                         | Description                                                                                                   |
| ----------------------------------------- | ---------------------------- | ------------------------------------------------------------------------------------------------------------- |
| `client_account_id`                       | String (UUID)                | Business client's account ID with Truecaller.                                                                 |
| `created_at`                              | String (Unix epoch, seconds) | Time the event was created.                                                                                   |
| `event_id`                                | String (UUID)                | Unique identifier for the event. Use it to deduplicate retries.                                               |
| `event_type`                              | String                       | Type of event. `callback` for this event.                                                                     |
| `business_callback_clicked_event_payload` | Object                       | Details of the Call CTA click.                                                                                |
| `business_number`                         | String                       | Primary business number whose profile or After Call screen the user interacted with.                          |
| `click_timestamp`                         | String (Unix epoch, seconds) | Time the user tapped the Call CTA.                                                                            |
| `display_unit`                            | String                       | Surface in the Truecaller app where the CTA was tapped. Possible values: `Business Page`, `Post Call Screen`. |
| `feature_set_name`                        | String                       | Name of the feature set configured for the business.                                                          |
| `inbound_business_number`                 | String                       | Configured alternate business number that the call was placed to.                                             |
| `reference_id`                            | String                       | Reference identifier for the event.                                                                           |


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