Developer Tools Free

API Tester

Test HTTP APIs with custom requests.

Use This Tool No sign-up required

What is API Tester?

API Tester is a free online tool provided by AnythingText that lets you Test HTTP APIs with custom requests.. Whether you are a developer, content creator, student, or professional, this tool is designed to save you time and effort. It runs directly in your browser — no downloads, no installations, and no sign-up needed to get started.

People also search for

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Key Features

Instant Processing

Get results in seconds with no waiting.

Privacy First

Your data stays in your browser or is processed securely.

API Access

Integrate programmatically with our REST API.

Works Everywhere

Desktop, tablet, or mobile — fully responsive.

API Integration

API Tester is also available as a REST API endpoint. You can integrate it into your own applications, scripts, or workflows using a simple HTTP request with an API key.

Endpoint

POST https://anythingtext.com/api/tools/apitester

Parameters

Name Type Required Description
method String No HTTP method: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS (default: GET)
url String Yes The target URL to send the request to
headers Object No Custom headers as key-value pairs
body String No Request body (for POST, PUT, PATCH)

Example Request

curl -X POST https://anythingtext.com/api/tools/apitester \
  -H "Content-Type: application/json" \
  -H "X-API-Key: your_api_key_here" \
  -d '{"method": "GET", "url": "https://jsonplaceholder.typicode.com/posts/1"}'

View full API documentation

Who Is This For?

Developers

Integrate via API or use directly in workflows.

Content Creators

Speed up content production and editing.

Professionals

Handle daily tasks faster without extra software.

Frequently Asked Questions

Is API Tester really free?

Yes, you can use it for free with no account required. For higher usage limits and API access, check our pricing plans.

Is my data safe?

Absolutely. Many of our tools process data entirely in your browser. For server-side tools, data is processed securely and never stored beyond the request lifecycle.

Can I use this via API?

Yes! This tool has a REST API endpoint. Authenticate with an API key via the X-API-Key header. See the API docs for details.

Do I need to install anything?

No. Everything works directly in your web browser. Just open the tool and start using it.

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