# Postback URL

SMSGenius uses a Postback URL, also known as a 'webhook', to track conversions without the use of cookies 🍪.

If you're into affiliate marketing, you can directly provide this Postback URL to your affiliate network, and they will know how to set it up for you in just a couple of minutes. The great thing is that now, you no longer need to use a third-party trackers like Voluum! Say hello to savings and simplicity! 🤠

This feature can be utilized via either a GET or a POST method.

https://postback.smsgenius.io/?cid=MANDATORY&txid=OPTIONAL&user_agent=OPTIONAL&ip_address=OPTIONAL&payout=OPTIONAL&currency=OPTIONAL

# How to Record Non-Revenue Generating Conversions?

In such instances, the only mandatory field is cid. Executing a GET or a POST with a valid cid will register the conversion, which will be recorded with a revenue of 0 EUR.

# How to Record Revenue-Generating Conversions?

In this scenario, not only is the cid field required, as before, but a value must also be assigned to the payout field.