Nope! The Atlas Merchant Platform is completely free to use - you only benefit from connecting your card.

Completely free: 

No fees - It is completely free
No charges - No setup fees, monthly costs, or transaction charges
No card fees - Connecting your credit card doesn't cost anything

What you get for free: 

Account connection - Link your US-issued Visa or Mastercard at no cost
Merchant rewards - Earn Atlas Bucks from purchases with zero fees
Multiple cards - Connect several cards without any additional charges

How we make money: 

Merchant partnerships - Participating stores pay us when you shop with them
Revenue sharing - We share those payments with you as Atlas Bucks
Win-win system - You get rewards, merchants get customers, everyone benefits

Pro tip: Since AMP is completely free, there's no downside to connecting your card and activating missions for stores you already shop at - it's literally free Atlas Bucks!