QR Code

Generate a QR code image from any string content, with configurable format, size, colors, and error correction level.

POST /api/qr-code

Parameters

Field	Type	Required	Default	Description
content	string	Yes	—	Content to encode
format	string	No	png	png or svg
size	integer	No	256	Pixel size (max 2048)
foreground	string	No	#000000	Foreground hex color
background	string	No	#FFFFFF	Background hex color
error_level	string	No	—	Error correction: L (7%), M (15%), Q (25%), H (30%)

Response

Binary image data with the appropriate Content-Type header (image/png or image/svg+xml).

Examples

Basic PNG

curl -X POST https://morso.dev/api/qr-code \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"content": "https://morso.dev"}' \
  -o qr.png

Custom SVG with colors

curl -X POST https://morso.dev/api/qr-code \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"content": "https://morso.dev", "format": "svg", "size": 512, "foreground": "#1a1a2e", "background": "#e2e2e2", "error_level": "H"}' \
  -o qr.svg

Errors

• 400 — Missing content, invalid format, invalid color, or size exceeds limit.

See Errors for the standard error shape.