Free HTML to PDF API - Convert via REST

Parameters

name	in	type	required	description
`html`	body	string	required	Up to 512 KB. Rendered offline: put CSS in a style block and images in as data URIs, remote files don't load. Scripts are removed
`layout`	body	string	optional	document renders your HTML as it is: your fonts and margins, @page size, as many pages as it needs. single_page (the default) fits it into one A4 page in Arial and cuts off what doesn't fit one of `single_pagedocument` default `single_page`

Request

Send your key in the X-API-Key header. More languages and patterns live on the code examples page.

curl -s -X POST "https://apixies.io/api/v1/html-to-pdf" \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"html":"<h1>Hello World</h1>\n<p>Your HTML content here...</p>"}'

const res = await fetch("https://apixies.io/api/v1/html-to-pdf", {
  method: "POST",
  headers: {
    "X-API-Key": "YOUR_API_KEY",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
      "html": "<h1>Hello World</h1>\n<p>Your HTML content here...</p>"
  })
});
const data = await res.json();
console.log(data);

$ch = curl_init("https://apixies.io/api/v1/html-to-pdf");
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_CUSTOMREQUEST => "POST",
    CURLOPT_HTTPHEADER => [
        "X-API-Key: YOUR_API_KEY",
        "Content-Type: application/json",
    ],
    CURLOPT_POSTFIELDS => '{"html":"<h1>Hello World</h1>\\n<p>Your HTML content here...</p>"}',
]);
$data = json_decode(curl_exec($ch), true);
curl_close($ch);

print_r($data);

import requests

res = requests.request(
    "POST",
    "https://apixies.io/api/v1/html-to-pdf",
    json={
        "html": "<h1>Hello World</h1>\n<p>Your HTML content here...</p>"
    },
    headers={"X-API-Key": "YOUR_API_KEY"},
)
print(res.json())

Response

The result sits under data in the standard envelope. See the response format guide for errors and status codes.

returns

body: The rendered PDF, served as application/pdf.

example response 200

HTTP/1.1 200 OK
Content-Type: application/pdf

<raw file bytes, not a JSON envelope>

Authentication and limits

This endpoint needs an API key. Use the sandbox ("try it" above) to test it without registering. See the authentication guide for details.

Standard rate limits apply to this endpoint.

Common use cases

Invoice and receipt generation

Generate PDF invoices, receipts, and statements from HTML templates. Customize headers, footers, and page sizes for professional documents.

Report generation

Convert dynamic HTML dashboards and reports into downloadable PDFs. Perfect for scheduled reports sent via email to stakeholders.

Content archiving

Archive web pages as PDFs for compliance, legal records, or offline reference. Capture the full rendered content with styling intact.

related endpoints

POST Markdown to HTML Convert Markdown text to HTML GET Meta Tag Extractor Extract OpenGraph, Twitter Card, and standard meta tags from any URL POST Text Analyzer Analyze text for word count, character count, reading time, and word frequency

guides

Convert HTML to PDF with a REST API tutorial Convert HTML to PDF with a simple REST API call. No Puppeteer or headless browser setup. Free tier included. cURL, JavaS... HTML to PDF API: cURL, JavaScript, PHP & Python Examples example Ready-to-use code examples for converting HTML to PDF via API. Copy-paste snippets for cURL, JavaScript fetch, PHP, and... Generate PDF Invoices with a Simple API Call use-case Generate professional PDF invoices from HTML templates using a REST API. No wkhtmltopdf or Puppeteer needed. Free tier w...

getting started

authentication code examples response format

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resources

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