Overview
The QR Code API is an HTTP API that can be use for creating custom QR Codes programmatically. Every QR Code will contain a unique Branch link which you can deep link and track analytics with.
QR Code API
Access to Branch's QR Code API and SDK requires premium product access. Please reach out to your account manager or https://branch.io/pricing/ to activate.
Create a QR Code
Endpoint
POST /v2/qr-code
Content-Type: application/json
Rate Limits
- 25 requests per second
- 100 requests per minute
- 1000 requests per hour
Parameters
| Parameter | Type | Definition |
|---|---|---|
| branch_key (REQUIRED) | String | The Branch key of the originating app; from your Branch Settings Dashboard |
| data (Optional) | JSON | The dictionary to embed link data behind the QR Code. Accessed as session or install parameters from the SDK. Use the data dictionary for all link control parameters that you'll find here. |
| Branch analytics parameters (Optional) | String | It's important to tag your links with an organized structure of analytics labels so that the data appears consistent and readable in the dashboard. |
| qr_code_settings | JSON | If this nor any of the key/value pairs are not present, we will utilize your app defaults. See table below for setting details. |
qr_code_settings
| Parameter | Type | Definition |
|---|---|---|
| code_color | String | Hex color value of the QR Code itself. |
| background_color | String | Hex color value of the background of the QR code itself. |
| margin | Integer (Pixels) | The number of pixels you want for the margin. Min 1px. Max 20px. |
| width | Integer (Pixels) | Output size of QR Code image. Min 300px. Max 2000px. (Only applicable to JPEG/PNG) |
| image_format | String | PNG, JPEG, or JPG |
| center_logo_url | String (HTTP URL) | URL to the image you want as a center logo e.g. “https://cdn.branch.io/branch-assets/1598575682753-og_image.png” |
| code_pattern | Integer | Instead of the generic/standard QR-Code pattern we’re used to seeing, customers can now use (1) standard, (2) squares, (3) circles, (4) triangles, (5) diamonds, (6) hexagons, and (7) octagons. |
| finder_pattern | Integer | The finder pattern refers to the shape seen in the top left, top right, and bottom left of a QR-Code. Users can now choose between a square, a rounded square, or a circle. 1 = square, 2 = rounded rectangle, 3 = circle |
| finder_pattern_color | String | Hex color value of the Finder Pattern as per the https://htmlcolorcodes.com/ |
| background_image_url | String | We can lay the QR-Code on top of a background image. Users can send a background_image_opacity to adjust how visible and prominent the background image is. |
| background_image_opacity | Integer | The opacity percentage of the background image. |
| code_pattern_url | String | Direct link to an image to be used as the code-pattern itself on the QR Code. |
| finder_eye_color | String | Hex color value of the finder eye as per the https://htmlcolorcodes.com/ |
Sample Request
curl --request POST \
--url https://api2.branch.io/v2/qr-code \
--header 'accept: image/*' \
--header 'content-type: application/json' \
--data '
{
"qr_code_settings": {
"code_pattern": 1,
"finder_pattern": 1,
"image_format": "png",
"center_logo_url": "https://cdn.branch.io/branch-assets/1598575682753-og_image.png",
"width": 300,
"margin": 1,
"code_color": "#000000",
"background_color": "#FFFFFF",
"finder_pattern_color": "#000000",
"finder_eye_color": "#000000"
},
"branch_key": "key_live_xxxx"
}
'
Image Ouput
Note that the output of this cURL requests will be saved in the current directory as the file name indicated at the end of the request e.g.
qr_code.png.
Result
