RunPay P2P is a Chrome extension that facilitates P2P exchanges between Steam users for safe and quick skin sales. MarketApp P2P serves as a marketplace ensuring secure trading and trade confirmation.

The extension offers features such as creating Steam API for transaction information retrieval and automatic confirmation, generating trades post-skin purchase for easy confirmation on your phone, and an Auto Accept function for automatic gift acceptance. It also includes a transaction confirmation feature that relies on the Steam API key to verify successful transactions, emphasizing the importance of not altering or deleting the key to prevent errors.