Deduction S2S Webhook Postback

What is the Deduction S2S Webhook Postback?

The Deduction S2S Webhook Postback is a server-to-server notification sent to publishers immediately after a deduction is confirmed.

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Deduction Postback Content

Parameters

You may use any of the standard postback parameters available in your Dashboard → Settings page. These parameters will be dynamically replaced at delivery time.

Example of a Deduction Postback URL

https://yourdomain.org/postback?clickid={click_id}&event_name={event_name}&payout={payout}&user_payout={user_payout}&user_id={user_id}&postback_id={postback_id}

Once configured, the publisher will receive one deduction postback per deducted conversion.

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How Deductions Are Sent

If a fraudulent user completes multiple conversion events, for example:

• Install – $0.50

• Level 5 – $1.00

• Level 10 – $2.00

…and the associated click_id is deducted, the publisher will receive three separate deduction postbacks, each containing the corresponding {payout} value.

The {payout} in the postback is sent as a positive value. If your internal system requires a negative amount, you may prepend a minus sign directly in the URL configuration, e.g.:

payout=-{payout}

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Relationship with Anti-Fraud System

Our anti-fraud system blocks fraudulent conversions in real time (see Rejected Postback for more information).

In most cases, fraudulent conversions are identified and rejected immediately upon occurrence.

However, in some cases, more sophisticated fraud patterns may only be detected at the post-install event level.

When this happens:

• The related install and/or associated events will be retroactively deducted.

• A Deduction Postback will be sent for each affected conversion

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How to Set Up a Deduction S2S Webhook Postback

To configure a Deduction S2S Webhook Postback in your dashboard:

1. Go to Settings

2. Scroll to the Additional Postback (optional) section at the bottom-left

   
3. Select Detuction from the dropdown

4. Enter your full Deduction S2S Webhook Postback URL

5. Click Add+

Your URL will now be used to notify you of any deducted conversions.