const response = await fetch(
  "https://api.socialfetch.dev/v1/linkedin/posts/transcript?url=https://www.linkedin.com/posts/artificial-analysis_gemini-35-flash-is-a-step-forward-for-google-activity-7465082408409870337-4Pm-",
  {
    headers: {
      "x-api-key": "YOUR_API_KEY"
    }
  }
);

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