Questions about the QR Code Reader API

The things developers ask before wiring up the QR Code Reader API — what it returns, what it covers, and where the limits are. Straight answers, no fluff.

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What image formats are supported?
The API supports common image formats including PNG, JPG, JPEG, GIF, and WebP.
Can I submit images as base64?
Yes, you can submit images either as a URL or as base64-encoded data in the request body.
Does it detect multiple QR codes?
The API returns the first detected QR code. For multiple codes, you may need to crop the image or make separate requests.
What types of QR content can be decoded?
Any content encoded in a standard QR code: URLs, text, contact cards (vCard), WiFi credentials, and more.
How accurate is the detection?
Our decoder handles various image qualities and angles. Best results come from clear, well-lit images with the QR code fully visible.
Is there a maximum image size?
Images should be under 10MB. Larger images may be rejected or slow to process.

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