Convert HTML to PNG.

const res = await fetch(
  "https://html2png.dev/api/convert?width=1200&height=630&format=png&deviceScaleFactor=2",
  {
    method: "POST",
    headers: { "Content-Type": "text/html" },
    body: "<h1 style='font-family:sans-serif'>Hello world</h1>",
  }
);

const { url } = await res.json();
console.log(url); // https://html2png.dev/api/blob/....png

import requests

html = "<h1 style='font-family:sans-serif'>Hello world</h1>"

res = requests.post(
    "https://html2png.dev/api/convert",
    params={"width": 1200, "height": 630, "format": "png", "deviceScaleFactor": 2},
    headers={"Content-Type": "text/html"},
    data=html.encode("utf-8"),
)

print(res.json()["url"])

<?php
$html = "<h1 style='font-family:sans-serif'>Hello world</h1>";

$ch = curl_init("https://html2png.dev/api/convert?width=1200&height=630&format=png");
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_POSTFIELDS => $html,
    CURLOPT_HTTPHEADER => ["Content-Type: text/html"],
    CURLOPT_RETURNTRANSFER => true,
]);

$data = json_decode(curl_exec($ch), true);
echo $data["url"];

package main

import (
    "fmt"
    "io"
    "net/http"
    "strings"
)

func main() {
    html := "<h1 style='font-family:sans-serif'>Hello world</h1>"
    endpoint := "https://html2png.dev/api/convert?width=1200&height=630&format=png"

    res, _ := http.Post(endpoint, "text/html", strings.NewReader(html))
    defer res.Body.Close()

    body, _ := io.ReadAll(res.Body)
    fmt.Println(string(body))
}