cURL Code Generator

Request Details

Headers

KeyValue

Body

Generated Code

Run cURL Commands Online – Instantly & Easily

Newtum’s Online cURL Runner lets you execute, debug, and analyze cURL commands directly from your browser. No installations, no terminal required — just paste your command and get the API response in real-time.

Perfect for developers, testers, and anyone who wants to test REST or SOAP APIs quickly, securely, and efficiently.

🧭 About Newtum Online cURL Client

Our Online cURL Client is a browser-based tool designed to mimic command-line behavior. It helps users:

Run cURL requests directly from the web
Convert cURL commands into visual HTTP requests
Understand request structure and responses with formatting and validation

It supports GET, POST, PUT, DELETE, headers, auth tokens, query parameters, request bodies, and more.

❓ What is cURL?

cURL (Client URL) is a command-line tool used to transfer data to or from a server using various protocols—most commonly HTTP and HTTPS.

Example of a simple cURL command:

curl https://api.example.com/data

It is widely used for API testing, scripting automation, and interacting with web services without a browser.

✅ Benefits of Using Newtum Online cURL Runner

🌐 No installation needed – 100% web-based
🔒 Secure & encrypted – All traffic via HTTPS
🧾 Formatted response viewer – JSON, XML, raw
💬 Request debugger – Instant feedback on errors
🔄 Curl to Code – Convert curl to Python, JavaScript, PHP, C#, etc.
📂 Project saving
🧩 Browser extension – Test APIs on localhost or internal networks

🧪 cURL Examples

Example 1: Simple GET Request

curl https://jsonplaceholder.typicode.com/posts/1

Example 2: POST Request

curl -X POST https://jsonplaceholder.typicode.com/posts \
-H "Content-Type: application/json" \
-d '{"title": "foo", "body": "bar", "userId": 1}'

Example 3: Authenticated GET

curl -H "Authorization: Bearer YOUR_TOKEN" \
https://api.example.com/secure-data

Try any of the above in our online tool and view instant results.

🔁 Convert cURL Commands to HTTP Requests

Paste a full cURL command, and Newtum will automatically parse and convert it into a structured HTTP request including the Method, Headers, Body, Endpoint, and Authentication. This is perfect for developers learning APIs or transitioning from CLI to GUI-based tools.

🌟 Ready to Run Your First cURL Command?

Use Newtum’s free online cURL client to test, debug, and convert your cURL requests in seconds.

No installation required for basic testing.

Launch Online cURL Client Now