Developer reference
QR and Barcode Payload Cheatsheet
QR contact, WiFi, barcode, and GTIN payload reminders for local sharing workflows.
WiFi QR
Common WiFi QR payload format.
WIFI:T:WPA;S:Network;P:password;;vCard start
Contact QR payloads often use vCard text.
BEGIN:VCARDEAN-13
Common retail barcode shape.
4006381333931QR URL
Simple URL payload for QR sharing.
https://example.com