Idexo has built a cross-chain NFT API that users can use to build NFTs and Marketplaces into their applications in just a few lines of code and a simplified economic model that enables transactions to happen with just an API key. [Telegram](https://t.me/idexo%5Fio) [Whitepaper](https://www.cryptocompare.com/media/43881328/idexo-whitepaper-v1-2021-05-07aa.pdf)
