QR Code Generator

POST/api/v1/tools/qr-generate1 credit per callqrbarcodegeneratorpng

Encodes text or a URL as a QR code and returns it as a base64 PNG, ready to embed or save. Size and error-correction level are adjustable.

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Why 1 credit?

Pure CPU image generation, a few milliseconds, with no outbound call.

Any HTTP client works. Replace the key with one from your dashboard.

bash

curl -X POST https://toolkitbackend-j69m.onrender.com/api/v1/tools/qr-generate \
  -H "Authorization: Bearer tb_live_<your_api_key>" \
  -H "Content-Type: application/json" \
  -d '{
  "text": "https://example.com",
  "size": 300,
  "errorCorrection": "M"
}'

Input

Field	Type	Required	Default	Description
`text`	string	required	-	Text or URL to encode.
`size`	integer	optional	300	Image edge length in pixels. Defaults to 300.
`errorCorrection`	string	optional	M	Error-correction level. Higher survives more damage but encodes less data. Defaults to M. One of: L, M, Q, H

Output

Field	Type	Description
`imageBase64`	string	PNG image encoded as base64, without a data URI prefix.
`mimeType`	string	Always image/png.
`size`	integer	Edge length of the produced image.

Try it

Sends a real POST /api/v1/tools/qr-generate from your browser and charges 1 credit to your account.