# Metal X Documentation > Metal X is a peer-to-peer digital asset exchange that connects crypto buyers and sellers, while ensuring users remain in control of their private key. ## API Reference - [What is Metal X?](https://api.dex.docs.metalx.com/reference/what-is-metal-x.md): A decentralized exchange (DEX) is a peer-to-peer (P2P) marketplace that connects cryptocurrency buyers and sellers. - [Get transfers](https://api.dex.docs.metalx.com/reference/historycontroller_gettransfers.md) - [get](https://api.dex.docs.metalx.com/reference/statuscontroller_getlatestsynchistory.md) ## Changelog - [Rebrand](https://api.dex.docs.metalx.com/changelog/rebrand.md) - [Initial Release](https://api.dex.docs.metalx.com/changelog/welcome-to-proton-dex.md)