JSON Tools

9 tools available

JSON Formatter

Format & Validate JSON

JSON to CSV

Convert to CSV format

JSON to XML

Convert to XML format

JSON to YAML

Convert to YAML format

Table Viewer

View as interactive table

Tree Viewer

Browse tree structure

Schema Validator

Validate against schema

Auto Fix

Fix common errors

API BuilderCurrent

Generate API requests

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JSON API Builder

Transform JSON data into ready-to-use API request commands. Generate cURL, HTTPie, Fetch, and Axios code with custom headers and methods instantly.

How to Use JSON API Builder

  1. 1

    Paste your JSON payload

    Enter the JSON data you want to send, following the how to build JSON API online guide to confirm the request structure

  2. 2

    Configure request details

    Set the HTTP method, URL, and headers - the JSON API builder tool free will show instant request previews

  3. 3

    Generate command

    Click Generate to master how to use JSON API builder and create cURL, HTTPie, Fetch, or Axios code

  4. 4

    Optimize for command line

    Enable JSON minification to reduce escape characters and simplify command line execution

  5. 5

    Copy or download

    Use Copy or Download to save the script for terminal use or documentation purposes

Case Study: JSON API Builder for Webhook Debugging

While debugging third-party webhooks, the team chose the best JSON API generator for developers to quickly build requests. Using JSON API builder with cURL examples templates, they generated multiple command line examples that significantly improved integration testing speed and reduced debugging time.

Frequently Asked Questions

What command formats are supported?

Supports cURL, HTTPie, Fetch API, and optional Axios formats for various development environments and preferences.

How do I handle authentication?

Add your token or Basic Auth in the Headers section - the free JSON API payload creator will automatically include it in the command.

Is this tool free to use?

Yes! Core features are completely free with no limitations on command generation.

Are special characters automatically escaped?

Yes, the tool ensures commands are safe to execute in different terminals by properly escaping special characters.

Are there JSON API builder tutorials available?

Yes! The page includes JSON API builder tutorials covering webhook and REST API scenarios with practical examples.

Can I generate file upload requests?

Supports multipart examples. More file types and advanced upload scenarios will be added in future updates.

How do I save frequently used configurations?

Save to localStorage for quick reuse. Team sharing and template management features are coming soon.

Is it compatible with PowerShell?

Provides Windows/POSIX command switching to ensure compatibility across different operating systems.

What if generation fails?

Verify your JSON is valid and check if method and URL are missing. Error messages provide specific guidance.

Is this suitable for team collaboration?

Yes, you can generate shareable links or export scripts for team distribution and collaboration.

Does it support environment variables?

Advanced mode allows placeholder insertion. Full environment variable support is planned for future releases.

Can I use this on mobile devices?

Yes! The interface is fully responsive, allowing you to generate commands quickly on smartphones and tablets.