API Sandbox

Test your API key and see live responses from our guestbook endpoints

Enter API Key

JavaScript Example


fetch('https://api.openguestbook.tech/v1/hello', {
    headers: {
        'Authorization': document.getElementById('apiKeyInput').value,
        'Content-Type': 'application/json'
    }
})
.then(response => response.json())
.then(data => {
    document.getElementById('responseCard').classList.remove('hidden');
    document.getElementById('responseCode').textContent = JSON.stringify(data, null, 2);
});

cURL Example


curl -X GET \\
  -H "Authorization: Bearer YOUR_API_KEY" \\
  -H "Content-Type: application/json" \\
  https://api.openguestbook.tech/v1/hello

Sandbox Features

Real API Interactions

Use your actual API key to test endpoints and see real responses

Instant Test Results

Get immediate JSON responses with status codes, timestamps, and metadata

Sandbox Mode

All interactions are read-only and don't modify live guestbooks

Why Developers Love It

Try out API keys safely with instant results

"This sandbox helped me debug my API integration in minutes. The real-time response viewer was exactly what I needed."

Jess Chen

API Developer

jchen.com

"Zero configuration needed - just plug in my API key and start testing."

Martin Lee

Tech Lead

api.team

"The instant feedback loop made understanding API responses much faster during development."

Arielle Wong

DevOps Engineer

devopsblog.com

Frequently Asked Questions

Find answers to common questions about our sandbox environment