curl --request POST \
  --url https://api.iyzpdf.com/v1/convert/markdown-to-pdf \
  --header "X-API-Key: $IYZPDF_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "markdown": "# Release Notes\n\n- New PDF routes\n- Updated credit tracking"
  }' \
  --output release-notes.pdf

import os
import requests

api_key = os.environ["IYZPDF_API_KEY"]
payload = {
    "markdown": "# Release Notes\n\n- New PDF routes\n- Updated credit tracking"
}

response = requests.post(
    "https://api.iyzpdf.com/v1/convert/markdown-to-pdf",
    headers={"X-API-Key": api_key},
    json=payload,
    timeout=60,
)

if not response.ok:
    raise Exception(response.text)

with open("release-notes.pdf", "wb") as output_file:
    output_file.write(response.content)

import { writeFile } from "node:fs/promises";

const apiKey = process.env.IYZPDF_API_KEY;

const response = await fetch("https://api.iyzpdf.com/v1/convert/markdown-to-pdf", {
  method: "POST",
  headers: {
    "X-API-Key": apiKey,
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    markdown: "# Release Notes\n\n- New PDF routes\n- Updated credit tracking"
  })
});

if (!response.ok) {
  throw new Error(await response.text());
}

await writeFile("release-notes.pdf", Buffer.from(await response.arrayBuffer()));

<?php

$apiKey = getenv('IYZPDF_API_KEY');

$payload = [
    'markdown' => "# Release Notes\n\n- New PDF routes\n- Updated credit tracking",
];

$ch = curl_init('https://api.iyzpdf.com/v1/convert/markdown-to-pdf');

curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'X-API-Key: ' . $apiKey,
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => json_encode($payload),
]);

$pdf = curl_exec($ch);
$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);

if ($pdf === false || $status !== 200) {
    throw new RuntimeException('Request failed: ' . curl_error($ch) . PHP_EOL . $pdf);
}

file_put_contents('release-notes.pdf', $pdf);
curl_close($ch);

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.file.Files;
import java.nio.file.Path;

public class MarkdownToPdfExample {
    public static void main(String[] args) throws Exception {
        String apiKey = System.getenv("IYZPDF_API_KEY");
        HttpClient client = HttpClient.newHttpClient();

        String json = """
            {
              "markdown": "# Release Notes\\n\\n- New PDF routes\\n- Updated credit tracking"
            }
            """;

        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.iyzpdf.com/v1/convert/markdown-to-pdf"))
            .header("X-API-Key", apiKey)
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(json))
            .build();

        HttpResponse<byte[]> response = client.send(request, HttpResponse.BodyHandlers.ofByteArray());

        if (response.statusCode() != 200) {
            throw new RuntimeException("Request failed with status " + response.statusCode());
        }

        Files.write(Path.of("release-notes.pdf"), response.body());
    }
}

using System.Net.Http.Json;

var apiKey = Environment.GetEnvironmentVariable("IYZPDF_API_KEY");
using var client = new HttpClient();

client.DefaultRequestHeaders.Add("X-API-Key", apiKey);

var payload = new
{
    markdown = "# Release Notes\n\n- New PDF routes\n- Updated credit tracking"
};

using var response = await client.PostAsJsonAsync(
    "https://api.iyzpdf.com/v1/convert/markdown-to-pdf",
    payload);

response.EnsureSuccessStatusCode();

await using var output = File.Create("release-notes.pdf");
await response.Content.CopyToAsync(output);

{
  "fileName": "output.pdf",
  "size": 183240,
  "creditsUsed": 1,
  "creditsRemaining": 49,
  "contentType": "application/pdf"
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "message": "The request payload is invalid or incomplete."
  }
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Missing or invalid API key."
  }
}

{
  "error": {
    "code": "INSUFFICIENT_CREDITS",
    "message": "You need more credits to complete this request.",
    "creditsRequired": 2,
    "creditsBalance": 0,
    "purchaseUrl": "https://iyzpdf.com/portal/credits"
  }
}

{
  "error": {
    "code": "FILE_TOO_LARGE",
    "message": "The uploaded file or request body exceeds the allowed size limit."
  }
}

{
  "error": {
    "code": "UNSUPPORTED_MEDIA_TYPE",
    "message": "The uploaded file type or content type is not supported."
  }
}

{
  "error": {
    "code": "RATE_LIMIT_EXCEEDED",
    "message": "Too many requests. Please retry after the rate limit resets."
  }
}

{
  "error": {
    "code": "PROCESSING_FAILED",
    "message": "The document could not be processed."
  }
}