Getting Started

Launch your guestbook in minutes with our secure, self-hosted API. Zero configuration, enterprise-grade.

Try Demo Get API Key

Key Features

Zero-Config Setup

Deploy instantly with no server management. Just an API key and 1 line of code.

GDPR/CCPA Compliant

All guestbook data is encrypted and anonymized by default.

Auto-Scaling

Handles 250,000+ entries/second with <1ms latency.

Quick Example

JavaScript


// POST /entries
fetch('https://api.openguestbook.tech/v1/entries', {
    method: 'POST',
    headers: {
        'Authorization': 'Bearer YOUR_API_KEY',
        'Content-Type': 'application/json'
    },
    body: JSON.stringify({
        name: 'Jane Doe',
        message: 'Amazing service!'
    })
})
.then(res => res.json())
.then(data => console.log(data));

cURL


curl -X POST 'https://api.openguestbook.tech/v1/entries' \\
  -H 'Authorization: Bearer YOUR_API_KEY' \\
  -d '{
    "name": "John Smith",
    "message": "Great platform"
}'

Response Example


{
    "id": "12345",
    "name": "Jane Doe",
    "message": "Amazing service!",
    "created_at": "2025-08-16T10:00:00Z"
}

Frequently Asked Questions

How do I get an API key?

Visit the API Key page to generate your 2048-bit token in 30 seconds.

What about custom domains?

Enterprise plans include CNAME support for brand alignment.

Can I export my data?

All entries can be exported as JSON with one API call.