Integrate wert.io widget in NFT marketplace for purchasing NFTs directly with credit cards

Looking for someone that can integrate wert.io widget into current NFT marketplace (react, node, mongoDb, polygon chain) in order to allow users to purchase NFTs directly with credit card (separate button). Please take a look at https://wert.io and message me for the link to the integration docs. Need someone that can start immediately and finish the task at a reasonable time frame.