# Rewarded Video Callbacks

## Adding your Callback URL

To handle video conversions with S2S Callbacks, first make sure your callback URL is setup correctly in your publisher placement.\
To do so, navigate to **Placements / Apps**, edit your placement and set the **Callback Url** to your server's postback url:

<figure><img src="/files/NFeI4c3Xbr9isNxbWenk" alt=""><figcaption></figcaption></figure>

Also make sure that **"Send S2S Callbacks"** for video views is enabled for your Rewarded Video AdSlot in "AdSlot Details" > "Overview".

<figure><img src="/files/atgnf7bSUatx2bYXhjPc" alt=""><figcaption></figcaption></figure>

If this is the callback url you set for your placement:

```
https://your-server.com/callback?network=ayetstudios&amount={currency_amount}&external_identifier={external_identifier}&payout_usd={payout_usd}&adslot_id={adslot_id}
```

A typical conversion callback sent by our server will look like this:

```
https://your-server.com/callback?network=ayetstudios&amount=10&external_identifier=username&payout_usd=0.007&adslot_id=16
```

{% hint style="success" %}
This assumes you set externalIdentifier to **username** when calling `AyetVideoSdk.init(...)`, the currency amount per view was set to **10** in your rewarded video adslot #16 and the delivered video had an eCPM of **$7.00**.
{% endhint %}

{% hint style="info" %}
**Hint:** If you send callbacks from multiple different adslots (e.g. rewarded\_video and offerwall) make sure to pass and validate `{adslot_id}` in your callback URL to determine if the conversion was a normal offer or a rewarded video.
{% endhint %}

{% hint style="danger" %}
**Important:** Your server must always reply with an HTTP 200 status code to our postbacks. Otherwise we will resend the postback 12 times over a span of one hour before giving up.
{% endhint %}

## **Available Macros for Callback URLs:**

{% hint style="info" %}
**Note:** If the parsing capabilities of your callback endpoint are limited, each of the parameters below is also available in a sanitized version. By suffixing any of the parameters below with `_sanitized` (for example `{external_identifier_sanitized}`), any character that is not in `0-9 a-z A-Z - _` will be removed. Whitespaces will be replaced by underscores.
{% endhint %}

{% hint style="danger" %}
**Important:**\
To ensure each conversion is granted only once to your users, always use {transaction\_id}.\
\
Occasional callback resends may occur for various reasons. Utilizing {transaction\_id} prevents granting conversions more than once.
{% endhint %}

<table><thead><tr><th width="202.33333333333331">Variable</th><th width="150.36745987825125">Type</th><th>Description</th></tr></thead><tbody><tr><td>{transaction_id}</td><td>string</td><td>Unique transaction id - use for duplicate checks.</td></tr><tr><td>{payout_usd}</td><td>float</td><td>The actual conversion payout in USD.</td></tr><tr><td>{currency_amount}</td><td>float</td><td>The amount of currency the user earned (taken from your offerwall currency configuration).</td></tr><tr><td>{external_identifier}</td><td>string</td><td>The user identifier (EXTERNAL IDENTIFIER) originally passed in the web offerwall link</td></tr><tr><td>{user_id}</td><td>integer</td><td>Our internal id for this offerwall user</td></tr><tr><td>{placement_identifier}</td><td>string</td><td>The placement_identifier for which the conversion occured</td></tr><tr><td>{adslot_id}</td><td>int</td><td>The ID of the adslot for which the conversion occured</td></tr><tr><td>{sub_id}</td><td>string</td><td>The ID of the Placement for which the conversion occured<br>[PL-1...n]</td></tr><tr><td>{ip}</td><td>string</td><td>Converting device's IP address if known, 0.0.0.0 otherwise</td></tr><tr><td>{offer_id}</td><td>int</td><td>Offer ID of the converting offer</td></tr><tr><td>{offer_name}</td><td>string</td><td>Name / title of the converting offer</td></tr><tr><td>{device_uuid}</td><td>string</td><td>ayeT-Studios internal device identificator</td></tr><tr><td>{device_make}</td><td>string</td><td>Device manufacturer</td></tr><tr><td>{device_model}</td><td>string</td><td>Device model</td></tr><tr><td>{advertising_id}</td><td>string</td><td>Device advertising id (GAID/IDFA) if known, otherwise empty</td></tr><tr><td>{sha1_android_id}</td><td>string</td><td>Device sha1 hashed android id if known, otherwise empty</td></tr><tr><td>{sha1_imei}</td><td>string</td><td>Device sha1 hashed imei if known, otherwise empty</td></tr><tr><td>{currency_identifier}</td><td>string</td><td>Shows virtual currency name as set in adslot.</td></tr><tr><td>{currency_conversion_rate}</td><td>decimal</td><td>Shows currency conversion rate used to calculate user currency for the given conversion.</td></tr><tr><td>{custom_1}</td><td>string</td><td>Custom parameter to pass variables to the conversion callbacks</td></tr><tr><td>{custom_2}</td><td>string</td><td>Custom parameter to pass variables to the conversion callbacks</td></tr><tr><td>{custom_3}</td><td>string</td><td>Custom parameter to pass variables to the conversion callbacks</td></tr><tr><td>{custom_4}</td><td>string</td><td>Custom parameter to pass variables to the conversion callbacks</td></tr><tr><td>{custom_5}</td><td>string</td><td>Custom parameter to pass variables to the conversion callbacks</td></tr></tbody></table>


---

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