UsePrintr Documentation
Everything you need to build amazing thermal printing experiences. Send messages, create extensions, and connect the world through physical printing.
Quick Start
Get up and running with UsePrintr in minutes
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API Reference
Complete API documentation with examples
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Extension Development
Build your own extensions and automations
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Printer Setup
Configure Printr devices with UsePrintr
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Message Formatting
Learn how to format messages for thermal printing
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Community Examples
Real-world examples from the community
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Getting Started
1
Send Your First Message
Try sending a message to our demo printer: DEMO01
2
Register Your Printer
Create an account and register your own Printr device
3
Build Extensions
Create automated extensions for weather, RSS, or anything else
Popular Extensions
Quick API Example
Send a Message
// Send a message to any printer
const response = await fetch('https://api.useprintr.com/messages', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
printerCode: 'ABC123',
senderName: 'Your Name',
senderEmail: 'you@example.com',
message: 'Hello, world! 🌍'
})
});
const result = await response.json();
console.log('Message sent:', result.success);Join the Community
Connect with other developers, share your extensions, and get help from the community.