Buying from a third-party seller on Amazon still feels like buying from Amazon — same checkout, same familiar interface. When the item never shows up or turns out to be counterfeit, Amazon's A-to-z Guarantee is the internal safety net designed for exactly this, and it works independently of whatever the seller's own return policy says.
What it actually covers
- The item never arrives, or arrives more than 3 calendar days after the maximum estimated delivery date
- The item is damaged, defective, or significantly different from what was described
- You returned the item through a trackable method and the seller never issued the promised refund
- You were charged more than the listed or authorized price
The timeline that matters
You have to contact the seller first, through Amazon's own Buyer-Seller Messaging system, and give them 48 hours to resolve it. If they don't respond, or the response doesn't fix the problem, the claim option becomes available. You then have a window running from 3 days after the maximum estimated delivery date up to 90 days after that same date to file the claim — this is the deadline that actually matters, not 90 days from your purchase date.
Building the strongest possible claim
- Screenshots of the Buyer-Seller Messaging conversation, especially showing the seller's refusal or lack of response
- Photos of the packaging (with the shipping label visible), any protective materials, and the item itself if damaged
- If the seller asked you to communicate outside Amazon (personal email, WhatsApp), that request itself is a Terms of Service violation worth including — screenshot it specifically
What happens after you file
Amazon typically resolves claims within one to two weeks, though the process can run up to the 90-day window in more complex cases. If the claim is granted, the refund comes directly from Amazon and is deducted from the seller's account balance — you don't have to wait for the seller's cooperation. Sellers can appeal a granted claim within 30 days if they have new evidence.
A-to-z vs. a bank chargeback — which to use
It's worth knowing the tradeoff here rather than assuming one is always better: going through your bank for a chargeback bypasses Amazon's process entirely and can, in some cases, affect your standing on the platform, since Amazon generally expects buyers to use its internal resolution system first for marketplace purchases. For a straightforward case that fits A-to-z's eligibility criteria, using Amazon's own process is usually the more reliable first move; save the chargeback route for situations where Amazon's process genuinely doesn't apply or has already failed you.
✅ Don't miss a step or a deadline: our free Before Filing an Amazon A-to-z Guarantee Claim checklist → walks you through contacting the seller, the eligibility windows, and the evidence to gather.
See also: escalate a business dispute to your State Attorney General, and how to file a USPS lost/damaged package claim.