Look for sellers with high feedback scores and a high number of completed trades.

While each platform varies slightly, the general procedure for a P2P trade is as follows:

One of the most established P2P marketplaces with explicit support for Amex gift cards. It uses an escrow system to protect buyers.

Register on a P2P site like Paxful or CoinCola and complete any required identity verification (KYC).

Offers a secure marketplace to trade gift cards for BTC without platform trade fees, though seller markups still apply.

Peer-to-peer platforms are the primary way to use these cards. Be prepared for prices 10%–20% above the market spot rate to compensate sellers for taking on the gift card's risk.