JSON to XML Converter API

Transform JSON data into XML format instantly. Perfect for legacy system integration, SOAP services, and XML feed generation.

✓ Legacy system integration

✓ SOAP service compatibility

✓ Structured XML output

🚀 Start Converting for Free

✓ 100 free conversions monthly ✓ No credit card ✓ Instant setup

How to Convert JSON to XML

Input: JSON Data

{
  "user": {
    "id": 12345,
    "name": "John Doe",
    "email": "john@example.com",
    "profile": {
      "age": 30,
      "city": "New York",
      "country": "USA",
      "verified": true
    },
    "skills": ["JavaScript", "Python", "SQL"],
    "metadata": {
      "created": "2024-01-01T00:00:00Z",
      "lastLogin": "2024-01-15T10:30:00Z"
    }
  }
}

JSON with nested objects, arrays, and various data types.

Output: XML Data

<?xml version="1.0" encoding="UTF-8"?>
<user>
  <id>12345</id>
  <name>John Doe</name>
  <email>john@example.com</email>
  <profile>
    <age>30</age>
    <city>New York</city>
    <country>USA</country>
    <verified>true</verified>
  </profile>
  <skills>
    <item>JavaScript</item>
    <item>Python</item>
    <item>SQL</item>
  </skills>
  <metadata>
    <created>2024-01-01T00:00:00Z</created>
    <lastLogin>2024-01-15T10:30:00Z</lastLogin>
  </metadata>
</user>

Well-formed XML with proper element structure and hierarchy.

API Usage Examples

Basic JSON to XML Conversion

curl -X POST https://api.t3xtr.org/api/json-to-xml \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"user": {"name": "John", "age": 30}}'

# Response
<?xml version="1.0" encoding="UTF-8"?>
<user>
  <name>John</name>
  <age>30</age>
</user>

SOAP Request Generation

curl -X POST https://api.t3xtr.org/api/json-to-xml \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "soap:Envelope": {
      "@xmlns:soap": "http://schemas.xmlsoap.org/soap/envelope/",
      "soap:Body": {
        "GetUser": {
          "UserId": 123,
          "IncludeProfile": true
        }
      }
    }
  }'

# Generates proper SOAP XML request

Configuration File Generation

curl -X POST https://api.t3xtr.org/api/json-to-xml \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "configuration": {
      "database": {
        "host": "localhost",
        "port": 5432,
        "name": "myapp"
      },
      "features": {
        "logging": true,
        "caching": false
      }
    }
  }'

# Creates XML configuration file

Common JSON to XML Use Cases

🏢 Legacy System Integration

Bridge modern JSON APIs with legacy systems that require XML input for data processing.

Perfect for: ERP systems, mainframe integration, legacy database imports

🧼 SOAP Service Calls

Generate SOAP XML requests from JSON data for calling legacy web services and APIs.

Perfect for: Enterprise services, B2B integrations, third-party APIs

📄 Document Generation

Create structured XML documents from JSON data for reports, invoices, and business documents.

Perfect for: Invoice XML, financial reports, document templates

📡 Data Feeds

Transform JSON data into XML feeds for RSS, Atom, and other XML-based syndication formats.

Perfect for: RSS feeds, product catalogs, news syndication

⚙️ Configuration Files

Convert JSON configuration to XML format for applications and systems that require XML configs.

Perfect for: Spring configs, build systems, deployment configs

🔄 Data Migration

Migrate data from modern JSON-based systems to legacy XML-based databases and applications.

Perfect for: System migrations, ETL processes, data archiving

Programming Language Examples

JavaScript/Node.js

const jsonData = {
  user: { name: "John", age: 30 }
};

const response = await fetch('https://api.t3xtr.org/api/json-to-xml', {
  method: 'POST',
  headers: {
    'X-API-Key': 'YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify(jsonData)
});
const xmlData = await response.text();

Python

import requests
import json

json_data = {
    "user": {"name": "John", "age": 30}
}

response = requests.post(
    'https://api.t3xtr.org/api/json-to-xml',
    headers={
        'X-API-Key': 'YOUR_API_KEY',
        'Content-Type': 'application/json'
    },
    json=json_data
)
xml_data = response.text

PHP

$jsonData = json_encode([
    'user' => ['name' => 'John', 'age' => 30]
]);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://api.t3xtr.org/api/json-to-xml');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonData);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'X-API-Key: YOUR_API_KEY',
    'Content-Type: application/json'
]);
$xmlData = curl_exec($ch);

Java

String jsonData = "{\"user\":{\"name\":\"John\",\"age\":30}}";

HttpRequest request = HttpRequest.newBuilder()
    .uri(URI.create("https://api.t3xtr.org/api/json-to-xml"))
    .header("X-API-Key", "YOUR_API_KEY")
    .header("Content-Type", "application/json")
    .POST(HttpRequest.BodyPublishers.ofString(jsonData))
    .build();
    
String xmlData = client.send(request, 
    HttpResponse.BodyHandlers.ofString()).body();

Why Use T3XTR for JSON to XML Conversion?

🚀 Lightning Fast

Convert JSON to XML in under 100ms. Optimized for high-throughput applications and real-time processing.

📏 Handle Complex Data

Process nested objects, arrays, and large JSON files up to 10MB per request with perfect structure preservation.

🔧 Smart Array Handling

Automatically converts JSON arrays to proper XML element lists with customizable element names.

🛡️ Type Preservation

Maintains data types and structure integrity during conversion, ensuring accurate XML output.

💰 Cost Effective

Start free with 100 conversions monthly. Scale affordably with transparent pricing from $6/month.

🔒 Secure Processing

Your JSON data is processed securely and never stored. GDPR compliant with enterprise-grade security.

Frequently Asked Questions

How are JSON arrays converted to XML?

JSON arrays are converted to XML with each array item wrapped in <item> elements, or you can specify custom element names.

What about JSON attributes?

JSON properties starting with @ are converted to XML attributes, allowing you to control XML structure and metadata.

Can I generate SOAP XML?

Yes! T3XTR handles SOAP envelope structures and namespaces, making it perfect for generating SOAP requests from JSON.

How are data types handled?

Numbers, booleans, and strings are properly converted to XML text content while preserving their original values.

What's the size limit?

You can convert JSON files up to 10MB per API request, suitable for most enterprise data processing needs.

Can I customize the XML structure?

Yes, you can control element names, attributes, and root elements by structuring your JSON appropriately.

Ready to Convert JSON to XML?

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