Convert HTML to PDF with Full CSS Support

# Convert HTML to PDF
curl -X POST \
  https://api.convertfilefast.com/v2/convert/html-to-pdf \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "content": "<html><body><h1>Invoice #1234</h1><p>Total: $99.00</p></body></html>",
    "css": "body { font-family: Inter, sans-serif; }",
    "options": {"page_size": "A4", "orientation": "portrait"}
}' \
  --output invoice.pdf

# HTTP 200 OK — Content-Type: application/pdf

import requests

response = requests.post(
    "https://api.convertfilefast.com/v2/convert/html-to-pdf",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
        "content": "<h1>Invoice #1234</h1>",
        "css": "body { font-family: Inter, sans-serif; }",
        "options": {"page_size": "A4"}
    }
)

with open("invoice.pdf", "wb") as f:
    f.write(response.content)

const response = await fetch(
  "https://api.convertfilefast.com/v2/convert/html-to-pdf",
  {
    method: "POST",
    headers: {
      "Authorization": "Bearer YOUR_API_KEY",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      content: "<h1>Invoice #1234</h1>",
      css: "body { font-family: Inter, sans-serif; }",
      options: { page_size: "A4" }
    }),
  }
);

const pdf = Buffer.from(await response.arrayBuffer());
fs.writeFileSync("invoice.pdf", pdf);

// n8n HTTP Request Node
{
  "method": "POST",
  "url": "https://api.convertfilefast.com/v2/convert/html-to-pdf",
  "contentType": "json",
  "body": "={{ JSON.stringify({ content: $json.html_content, css: 'body { font-family: sans-serif; }', options: { page_size: 'A4' } }) }}",
  "options": { "response": { "responseFormat": "file" } }
}