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Générateur de commande cURL

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Guide

cURL Command Builder

Générateur de commande cURL

Build complete, ready-to-run cURL commands using a visual form instead of remembering flag syntax. Select your HTTP method, add headers, configure authentication, set a request body, and get a properly formatted curl command that you can copy and paste directly into your terminal.

Comment utiliser

Enter your target URL and select an HTTP method. Add any custom headers, choose an authentication type if needed, and configure the request body for POST, PUT, or PATCH requests. The curl command updates in real time as you fill in the form — just copy it when you’re done.

Caractéristiques

  • HTTP Methods – Support for GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS requests.
  • Custom Headers – Add and remove header key-value pairs dynamically. Each header is properly quoted in the output.
  • Request Body – Choose from Raw JSON, Raw XML, Raw Text, Form Data (multipart), or URL Encoded. Body fields appear automatically for methods that support them.
  • Authentication – Built-in support for Bearer Token, Basic Auth, and API Key Header authentication methods.
  • cURL Flags – Toggle common flags like --insecure, -L (follow redirects), -v (verbose), and --compressed.
  • Shell Escaping – All values are properly escaped for safe copy-paste into any terminal.
  • Real-Time Preview – The command updates instantly as you type, with multi-line formatting for readability.

Quand utiliser cet outil

Use this tool when you need to test an API endpoint quickly, debug HTTP requests, or share a reproducible request with a teammate. Instead of piecing together flags from the cURL man page, fill in the form and get a command that’s guaranteed to be syntactically correct. It’s especially useful for complex requests with multiple headers, authentication, and JSON bodies.

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FAQ

  1. What is cURL and what is it used for?

    cURL is a command-line tool for transferring data using various network protocols, most commonly HTTP and HTTPS. Developers use it to test APIs, download files, send form data, and debug network requests. It's available on virtually every operating system and is one of the most widely used developer tools in the world.

  2. What is the difference between GET and POST HTTP methods?

    GET requests retrieve data from a server without modifying anything — like loading a web page or fetching API data. POST requests send data to a server to create or process something — like submitting a form, uploading a file, or creating a new record via an API. GET requests put parameters in the URL, while POST requests include data in the request body.

  3. What does the --insecure flag do in cURL?

    The --insecure flag (or -k) tells cURL to skip SSL certificate verification. This is useful when testing against development servers with self-signed certificates, but should never be used in production scripts since it disables an important security check that protects against man-in-the-middle attacks.

  4. What is the difference between Bearer Token and Basic Auth?

    Basic Auth sends a username and password encoded in Base64 with every request — simple but less secure since credentials are sent each time. Bearer Token authentication sends a token (usually a JWT or OAuth access token) that was obtained through a separate login process. Bearer tokens can expire, be scoped to specific permissions, and be revoked without changing the user's password.

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