This task can be performed using Vibepay.sh
Usage-Based Billing with Global Monetization Tools
Best product for this task

Vibepay.sh
startup-builders
Vibepay.sh helps AI and SaaS developers launch usage-based billing with credit tracking, referral rewards, and onboarding bonuses built in.

What to expect from an ideal product
- Set up automatic credit rewards that trigger when new users sign up through referral links, making it easy to track who brought in each customer
- Configure tiered bonus structures where referring users earn more credits based on how much their referrals actually use your platform over time
- Launch welcome credit packages for new signups that give them free usage to try your service without upfront payment barriers
- Track referral performance with built-in analytics that show which users are your best promoters and adjust rewards accordingly
- Create custom reward rules that fit your specific usage patterns, whether you charge per API call, storage used, or active users