Turn one template into thousands of images in under a second.

// npm install @renderfast/client
import { createClient, postApiGenerate } from "@renderfast/client";

const client = createClient({
    baseUrl: "https://renderfa.st",
    headers: {
      Authorization:
        "Bearer {YOUR_API_KEY}",
    },
  });

  const { data, error: generationError } = await postApiGenerate({
    client,
    body: {
      templateId: "YOUR_TEMPLATE_ID",
      layers: {
        title: { text: "Hello World" },
        subtitle: { text: "Generated via API", fontSize: 24 },
      },
    },
  });

  if(generationError) {	
	console.error(generationError);
  }
			
  // Use imageUrl in your application
  console.log(data.imageUrl);

<!-- Perfect for OG images and social media -->
<meta property="og:image"
      content="https://renderfa.st/api/render?templateId={TEMPLATE_ID}&layers={...}" />

<!-- Or directly in img tags -->
<img src="https://renderfa.st/api/render?templateId=abc&layers={...}"
     alt="Dynamic image" />

# Works from any language that can make an HTTP request.
curl -X POST https://renderfa.st/api/generate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "templateId": "YOUR_TEMPLATE_ID",
    "layers": {
      "title": { "text": "Hello World" }
    }
  }'