const response = await fetch(
  "https://api.socialfetch.dev/v1/linkedin/posts?url=https://www.linkedin.com/posts/sundarpichai_small-businesses-are-the-engine-of-the-american-share-7449849038398697472-iNtG",
  {
    headers: {
      "x-api-key": "YOUR_API_KEY",
    }
  }
);

const data = await response.json();
console.log(data);