QR & Barcode vs US Street Address
Same instrument, two spec sheets — measured, not claimed.
QR & Barcode vs US Street Address: common questions
Which is more reliable, QR & Barcode or US Street Address?
On our scheduled checks, US Street Address leads on measured uptime — QR & Barcode at —% versus US Street Address at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do QR & Barcode and US Street Address need an API key?
QR & Barcode needs no key, while US Street Address requires a free API key. If you want to start calling without signup, reach for QR & Barcode first.
Can I call QR & Barcode and US Street Address from the browser?
Yes — both QR & Barcode and US Street Address send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are QR & Barcode and US Street Address free for commercial use?
QR & Barcode has unclear commercial terms, and US Street Address has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.