Polygon, a layer 2 solution for Ethereum, has gained traction among developers due to its secure, scalable infrastructure and instant transactions, making it an attractive platform for DeFi applications seeking large-scale adoption. Chainlink has emerged as a preferred oracle solution for DeFi protocols, offering Price Feeds that secure billions in USD value by providing access to high-quality, tamper-resistant data. The growth of DeFi has increased on-chain transactions and attracted malicious actors, leading to performance issues on Ethereum due to scalability limitations. Polygon alleviates these issues with its high throughput and low-cost transactions, making it appealing for developers. However, DeFi applications require reliable external data, and Chainlink Price Feeds mitigate risks associated with oracle attacks by aggregating data from diverse providers. The integration of Chainlink and Polygon offers a robust solution for DeFi protocols, enabling the creation of diverse applications while ensuring data integrity and security.