API Overview

The SeriousQR API lets you create, update, and manage QR codes programmatically. Build QR code generation into your own applications and workflows.

Base URL

All API requests are made to:

https://api.seriousqr.com/v1

Authentication

The API uses Bearer token authentication. Include your API key in the Authorization header:

Authorization: Bearer sk_live_xxxxxxxxxxxx

API keys can be created in your account settings. Keep your keys secure—they provide full access to your account.

Key Types

• Live keys (sk_live_) - For production use. QR codes are publicly accessible.
• Test keys (sk_test_) - For development. QR codes are isolated and don't count against limits.

Request Format

All requests should use JSON bodies with the Content-Type: application/json header.

curl -X POST https://api.seriousqr.com/v1/qrcodes \
  -H "Authorization: Bearer sk_live_xxx" \
  -H "Content-Type: application/json" \
  -d '{
    "destination_url": "https://example.com"
  }'

Response Format

All responses are JSON. Successful responses return the requested data directly:

{
  "id": "qr_abc123",
  "short_code": "abc123",
  "destination_url": "https://example.com",
  "created_at": "2026-02-05T12:00:00Z"
}

Error responses include an error object:

{
  "error": {
    "code": "invalid_request",
    "message": "destination_url is required"
  }
}

Rate Limits

API requests are rate limited based on your plan:

Endpoints

Support

Need help with the API? Contact us at api@seriousqr.com.