Audible is a membership service that provides customers with the world's largest selection of audiobooks as well as podcasts, exclusive originals and more. Allowed types of traffic: Content Price comparison websites Cashback services - chosen partners Loyalty programs Coupon publishers Advertisement in messengers (Telegram, WhatsApp etc) PPC in Social Media - needs approval Groups on Facebook Influencers In-app advertisement Mailings Banner-teaser advertisement PopUp / ClickUnder Toolbar Subnetworks -  needs approval Event definitions The “Free Trial” event is registered when a user successfully registers for a Free Trial on Audible. The “Subscription After Trial” event is registered when a user who registered for a Free Trial continues with a paid subscription once the trial period ends. The “Direct Subscription” event is registered: When a user who previously registered for a Free Trial but did not convert at the time, later subscribes to a paid service.  When a former paid subscriber reactivates their paid Audible subscription. When a direct promotion (fixed price for a certain period) is offered. Rejection reasons (for Subscription After Trial and Direct Subscription events) The event will be rejected if: The user opts for a credit card payment but does not complete the payment process due to a failed 3DS (Three-Domain Secure) authentication. The user attempts to subscribe using a stolen credit card. The user chooses direct debit as a payment method, and Audible is unable to charge the bank account after three failed attempts (one attempt every 30 days).