cURL Command Builder
Build cURL commands visually — set method, URL, headers, body, and auth. Copy a ready-to-run command in seconds. Free, no sign-up.
Headers
Query Parameters
Request Body
Authentication
cURL Options
cURL Command
curl \ -X GET \ -H 'Accept: application/json' \ ?
Everything runs in your browser. No request data is sent to any server.
What is cURL?
cURL is a command-line tool for transferring data with URLs. It supports HTTP, HTTPS, FTP, and many other protocols. Developers use it to test APIs, debug requests, and automate HTTP interactions from the terminal.
Why use cURL Command Builder?
Writing cURL commands by hand requires remembering syntax flags, quoting rules, and header formats. This builder lets you configure every part of the request visually and generates a ready-to-run command with proper escaping.
Supported HTTP methods and options
The builder supports all common HTTP methods: GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS. It also supports Bearer tokens, Basic Auth, API key headers, query parameters, JSON/form/raw bodies, and common cURL flags.
Why use cURL Command Builder online?
cURL Command Builder in the browser saves context switching: no terminal needed, no flag lookups, and instant visual feedback. It is ideal for debugging, demos, and quick API checks during development.
Tips for best results
Use example presets to get started quickly. Verify the generated command in your terminal before using it in scripts. For sensitive data, review the command before sharing.
How to use
- Select the HTTP method and enter the target URL.
- Add any required headers and query parameters.
- Set the request body type (JSON, form data, or raw) if needed.
- Configure authentication if required.
- Copy the generated cURL command and paste it into your terminal.
- Need another utility? Scroll to Related Tools below for cURL Command Builder companions on skybin.io.
Online tool vs terminal
| Terminal / CLI | This tool |
|---|---|
| Remember cURL flags and quoting rules | Select method, fill fields visually |
| Manually construct headers and body | Auto-escaping for all values |
| Debug escaping issues in the shell | Copy a ready-to-run command |
Everything runs in your browser. No request data is sent to any server.
Frequently Asked Questions
- What is cURL?
- cURL is a command-line tool for transferring data with URLs. It supports HTTP, HTTPS, FTP, and many other protocols, making it essential for API testing and debugging.
- How do I use the generated command?
- Copy the command from the output panel and paste it into your terminal or command prompt. It works on Linux, macOS, and Windows (with cURL installed).
- Which HTTP methods are supported?
- All common methods: GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS. Select from the dropdown to set the method.
- Is this tool free to use?
- Yes. All Skybin developer tools are free with no account, API key, or usage limits.
- Does my data get sent to a server?
- No. The command is generated entirely in your browser. No request data is sent to any server.
- Can I use this on mobile?
- Yes. The tool works in modern mobile browsers, though a desktop screen is easier for building complex requests.
- Does it support file uploads?
- The current version supports JSON, form data, and raw text bodies. For file uploads, you may need to add the -F flag manually after generating the base command.
- Are there keyboard shortcuts?
- Copy and Download buttons provide one-click output. Use the example presets to quickly populate the form.
- Does Skybin store my commands?
- No. We do not log inputs or outputs. Refreshing the page clears in-memory state.