Before / After Thumbnail Template

# Public render — returns a PNG (no auth needed for public templates)
curl "https://renderfa.st/api/render?templateId=0a1b2c3d-0024-4a00-8a00-000000000024" --output image.png

import { createClient, postApiGenerate } from '@renderfast/client';

const client = createClient({
  baseUrl: 'https://renderfa.st',
  headers: { Authorization: 'Bearer ' + process.env.RENDERFAST_API_KEY }
});

const { data, error } = await postApiGenerate({
  client,
  body: {
    templateId: '0a1b2c3d-0024-4a00-8a00-000000000024',
    layers: {
      "headline": {
        "text": "30-DAY TRANSFORMATION"
      },
      "labelBefore": {
        "text": "BEFORE"
      },
      "labelAfter": {
        "text": "AFTER"
      }
    }
  }
});

if (error) throw error;
console.log(data.imageUrl);