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Generating Image QR Codes
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Last updated: 2025-09-09 20:02:20
Generating Image QR Codes
Last updated: 2025-09-09 20:02:20
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Feature Description

Cloud Infinite's QR code generation feature can generate corresponding QR codes or barcodes based on the user-specified text information (URL or text).
Note:
This interface belongs to a GET request and uses a synchronous request method. It requires carrying a signature. For specific signature settings, please see Request Signature.

Authorization Description

When used by a sub-account, the ci:CreateQRcodeGenerateJob permission is required. For details, see Cloud Infinite action.

Activating a Service

Using this feature requires enabling Cloud Infinite in advance and binding a bucket. For details, see Bind Bucket.
Use this feature requires enabling AI Content Recognition service in advance via console or API. For details, see Enable AI Content Recognition Service.

Use Limits

When using this API, please first confirm the relevant restrictions. For details, see Usage Limits.

Fee Description

This API is a paid service. The generated costs will be collected by Cloud Infinite and merged into the Image QR Code Recognition billing item. It is billed based on Number of recognitions. For detailed billing instructions, please refer to Content Recognition Fees.


Request

Request sample:

GET /?ci-process=qrcode-generate&qrcode-content=<qrcode-content>&mode=<mode>&width=<width> HTTP/1.1
Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
Date: <GMT Date>
Authorization: <Auth String>
Note:
Authorization: Auth String. For details, see the Request Signature document.

Request parameters.

Parameter Name
Description
Type
Required or Not
ci-process
Cloud Infinite processing capability, QR Code Generation parameter is qrcode-generate
String
Yes
qrcode-content
Recognizable QR code text information
String
Yes
mode
Generated QR code type, available values: 0 or 1. 0 for QR code, 1 for barcode, default value is 0.
Int
No
width
Specify the width of the generated QR code or barcode, and the height will be proportionally compressed.
String
Yes

Request header

This API only uses common request headers. For details, see Common Request Headers documentation.

Request body

This request has no request body.

Response

Response Headers

This API only returns the public response header. For details, see Common Response Headers documentation.

Response Body

The response body is returned as application/xml. An example including the complete node data is shown below:
<Response>
        <ResultImage>
            base64-encoded image
        </ResultImage>
</Response>
The data are as follows:
Node Name (Keyword)
Parent Node
Description
Type
Response
None.
Container for saving results
Container
Container node Response content:
Node Name (Keyword)
Parent Node
Description
Type
ResultImage
Response
QR code image base64 data
String

Error Codes

This request returns common error responses and error codes. For more information, see Error Codes.

Examples

Request

GET /?ci-process=qrcode-generate&qrcode-content=<https://www.example.com>&mode=0&width=200 HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Fri, 10 Apr 2020 09:35:16 GMT
Authorization: q-sign-algorithm=sha1&q-ak=**********************************&q-sign-time=1497530202;1497610202&q-key-time=1497530202;1497610202&q-header-list=&q-url-param-list=&q-signature=**************************************

Response

HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 414641
Date: Fri, 10 Apr 2020 09:35:16 GMT
Server: tencent-ci
x-cos-request-id: NTk0MjdmODlfMjQ4OGY3XzYzYzhf****



<Response>
        <ResultImage>
            base64-encoded image
        </ResultImage>
</Response>

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