Postback Configuration (S2S)

Server-to-Server (Postback) callbacks allow your system to receive reward notifications directly from the offerwall via HTTP requests. When a user successfully completes an offer and earns a reward, TarGo sends an HTTP POST request to your configured postback URL

Parameter Configuration

Parameter	Format	Description
{user_id}	String / Integer	The unique user identifier you passed to the offerwall (UID). Used to credit the correct user in your system.
{tx_id}	String	Unique transaction ID for the reward event. Used to prevent duplicate credits.
{reward}	Float	The amount of virtual currency you should credit to the user (after applying your multiplier).
{payout}	Float (USD)	The real earnings you receive for this conversion (in USD). This is what goes to your account balance.
{status}	Integer	Event status: 1 = Approved, 0 = Reversed / Chargeback (if fraud or invalid).
{ip}	IP Address	IP address of the user at the moment of completion. Useful for fraud analysis.
{country_code}	ISO-3166 Code	User country (e.g., US, BR, IN). Helpful for geo-based traffic evaluation.
{event_id}	String / Integer	Offer or survey internal event ID. Useful for tracking specific events.
{event_name}	String	Nameof the completed event
{timestamp}	Unix Timestamp	The UNIX timestamp (in seconds) representing when the user initially clicked the offer.
{sub1}	String	Your sub1 value passed in offerwall link
{sub2}	String	Your sub2 value passed in offerwall link

Example callback setup:

Callback URL set by you: https://yourdomain.com/postback? user_id={user_id} &tx_id={tx_id} &reward={reward} &payout={payout} &status={status} &ip={ip} &secret_key={secret_key} &timestamp={timestamp} &hash={hash}