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cURL Request Builder

Build and run HTTP requests while generating reusable cURL commands.

ms

Generated cURL Command

curl \
  --max-time 30

The command updates automatically as you edit the request options.

💻

No response yet

Fill in the request details and press send to see the response together with the matching cURL command.

Tool Overview: cURL Request Builder

The cURL Request Builder lets you compose HTTP calls in a friendly form and instantly see the equivalent curl command. Edit the request, copy the generated command for scripts or documentation, and review the live response without leaving the browser.

What Is cURL Request Builder?

cURL Request Builder converts request parameters to cURL command and produces output ready to use.

How to Use

  1. Paste request parameters content or enter parameters.
  2. Choose cURL command output and set options.
  3. Review the result and copy or download.

Common Use Cases

  • request parameters↔cURL command format migration
  • Use request parameters data in cURL command workflows or code generation
  • Validate conversion results against specs

❓ FAQ

Q1: Conversion failed or empty?
A: Check that the request parameters input is valid and complete.

Q2: Output looks different?
A: Formatting may change to match cURL command rules.

Q3: How to batch process?
A: Process in smaller chunks for stability.

Highlights

  • Real-time cURL output – every change to method, URL, headers, query string, or body updates the command preview automatically.
  • Multi-body support – switch between JSON, URL-encoded form data, or raw text payloads with dedicated editors.
  • Timeout control – set the request limit (in milliseconds) and get the matching --max-time flag in the command.
  • Response explorer – inspect formatted body, headers, and raw payload; copy or download results with one click.
  • Clipboard ready – copy the generated command or the response content directly from the interface.

Getting Started

  1. Pick an HTTP method and enter the target URL.
  2. Open the Headers, Body, or Query Parameters tabs to add extra request data.
  3. Choose the body type when working with POST, PUT, or PATCH requests.
  4. Adjust the timeout if the endpoint requires more (or less) time to respond.
  5. Click Send Request to execute the call and review the response.

The command preview section shows the exact curl command that mirrors your configuration. Use Copy cURL to drop it into terminal sessions, CI jobs, or documentation snippets.

Tips

  • When you provide JSON or form fields, the tool adds the appropriate Content-Type header for both the request and the generated command (unless you set one manually).
  • Query parameters added in the Query tab are merged into the URL and reflected in the preview.
  • The timeout input controls both the in-browser fetch and the --max-time flag, making the command portable.
  • Use the Format JSON action in the response panel to prettify JSON payloads after an API call.

Use Cases

  • curl API testing in browser – Quickly reproduce production calls, iterate on query strings, and share the generated curl snippet with teammates for regression investigations.
  • Secure curl request with bearer token – Add Authorization: Bearer <token> headers, verify authentication flows, and export the ready-to-run command for CI smoke tests.
  • curl command for GraphQL mutation – Paste GraphQL payloads into the JSON editor, preview the exact multiline command, and keep a library of tested mutations for documentation.
  • REST webhook integration curl template – Simulate webhook callbacks, adjust custom headers (like X-Signature), and save the generated command for onboarding partner developers.