import Whop from '@whop/sdk';

const client = new Whop({
  apiKey: process.env['WHOP_API_KEY'], // This is the default and can be omitted
});

const reaction = await client.reactions.create({ resource_id: 'resource_id' });

console.log(reaction.id);

{
  "id": "reac_xxxxxxxxxxxxxxxxxxxxxx",
  "resource_id": "<string>",
  "user": {
    "id": "user_xxxxxxxxxxxxx",
    "username": "johndoe42",
    "name": "John Doe"
  },
  "emoji": "<string>"
}