# RevGems ## Docs - [Comparing Data](https://help.revgems.com/comparing-data.md): Learn more about comparing data or other analytics - [FAQs](https://help.revgems.com/faqs.md): Learn more about RevGems and why it's different - [How RevGems Works](https://help.revgems.com/how-revgems-works.md): An overview of core concepts in RevGems - [Tracking Affiliates](https://help.revgems.com/tracking-affiliates.md): Learn more about tracking your affiliate program as a channel - [Next.js](https://help.revgems.com/tracking-api/client/nextjs.md): Tips for integrating RevGems with Next.js - [Introduction](https://help.revgems.com/tracking-api/introduction.md): Your guide to the RevGems Tracking API - [Authentication](https://help.revgems.com/tracking-api/server/authentication.md): How to authenticate requests to the RevGems Tracking API - [Track Payments](https://help.revgems.com/tracking-api/server/payments.md): How to send payment messages to RevGems - [Tracking links & UTMs](https://help.revgems.com/tracking-links-and-utms.md): Learn more about tracking links and UTMs in RevGems - [What is RevGems?](https://help.revgems.com/what-is-revgems.md): 🤑 Your marketing team's new best friend ## OpenAPI Specs - [openapi](https://help.revgems.com/api-reference/openapi.json)