How to: solve 429 fetch errors on NextJS and Vercel

Recently, I added Medium Feed integration into my personal website. I chose api.rss2json.com to help fetch the feed and convert it to JSON format. Everything was doing well on local testing. However, it returned 429 errors when deployed to Vercel.

Application error: a client-side exception has occurred (see the browser console for more information).

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 WWDC Award Winner | Software Engineer, Github Developer, UI/UX Design | Contact: hi@1998.media | Website: 1998.media

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 WWDC Award Winner | Software Engineer, Github Developer, UI/UX Design | Contact: hi@1998.media | Website: 1998.media

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