1. DEMO
API Documents - GuGuData | Production-Ready APIs Built for Developers
  • GuGuData API documents
  • Metadata
    • DEMO
      • Get demo programme data for a global university
      • [DEMO] Chinese Poem
      • [DEMO] Stock HK Symbols
      • Get demo data for global university ranking
      • [DEMO] Global University
      • [DEMO] Global QS World University Rankings
      • [DEMO] US CIP Codes
      • [DEMO] US College Institutions Data API
      • [DEMO] US College Programs Data API
      • [DEMO] Stock US Symbols
    • Chinese Poem
      GET
    • Stock HK Symbols
      GET
    • Stock US Symbols
      GET
    • Global University
      GET
    • Get programme data for a global university
      GET
    • US College Institution Detail
      GET
    • Get global university ranking data
      GET
    • US College Institution Programs
      GET
    • Global QS World University Rankings
      GET
    • Chinese Poem
      GET
    • US CIP Codes Search
      GET
    • Get a hosted global university logo
      GET
    • US College Institutions Search
      GET
    • Get US college institution details
      GET
    • Get programs for a US college institution
      GET
    • US College Programs Search
      GET
  • Website Tools
    • DEMO
      • [DEMO] Article Content Extraction API
      • [DEMO] Extract Images from Article URL API
      • [DEMO] Article Extract
      • [DEMO] Domain DNS Information Query
      • [DEMO] Geographic Coordinate System Converter
      • [DEMO] IP Address
      • [DEMO] PageSpeed and SEO Score API
      • [DEMO] Format International Phone
      • [DEMO] Webpage Readable Content Extraction
      • [DEMO] Search Visibility API
      • [DEMO] Short Link API
      • [DEMO] Domain SSL Certificate Information Parsing
      • [DEMO] Extract Structured JSON from Webpage
      • [DEMO] Website Snapshot
      • [DEMO] Get URL links
      • [DEMO] URL to static HTML
      • [DEMO] URL to Image
      • [DEMO] URL to Markdown
      • [DEMO] Query Website Favicon and Title
      • [DEMO] Domain Whois
    • Geographic Coordinate System Converter
      GET
    • Article Content Extraction API
      POST
    • Extract Images from Article URL API
      POST
    • Article Extract
      POST
    • extractFromHtml
      POST
    • Domain DNS Information Query
      GET
    • IP Address
      GET
    • PageSpeed and SEO Score API
      GET
    • Score webpage performance and SEO signals
      POST
    • Format International Phone
      GET
    • Format International Phone
      GET
    • Webpage Readable Content Extraction
      POST
    • Search Visibility API
      POST
    • Short Link API
      POST
    • Get short link
      GET
    • Update short link
      PATCH
    • Redirect short link
      GET
    • Domain SSL Certificate Information Parsing
      GET
    • Extract Structured JSON from Webpage
      POST
    • Website Snapshot
      POST
    • Get URL links
      GET
    • URL to static HTML
      POST
    • URL to Image
      GET
    • Convert Webpage to Image
      POST
    • URL to Markdown
      POST
    • Query Website Favicon and Title
      GET
    • Domain Whois
      GET
  • Image Recognition
    • DEMO
      • [DEMO] Convert HTML to Word
      • [DEMO] Image Compress
      • [DEMO] Image OCR
      • [DEMO] Image OCR to Word API
      • [DEMO] HTML to PDF
      • [DEMO] Markdown to PDF
      • [DEMO] OCR API
      • [DEMO] PDF Splitting
      • [DEMO] PDF Summary
      • [DEMO] PDF to Format
      • [DEMO] PDF to HTML
      • [DEMO] PDF OCR to Text API
      • [DEMO] PDF OCR to Word API
      • [DEMO] PPT to Images
      • [DEMO] Convert PPT to PDF
      • [DEMO] Word to HTML
    • Convert HTML to Word
    • Image Compress
    • Image OCR
    • Image OCR to Word API
    • HTML to PDF
    • Markdown to PDF
    • PDF Splitting
    • OCR API
    • PDF Summary
    • PDF to Format
    • PDF to HTML
    • PDF OCR to Text API
    • PDF OCR to Word API
    • PPT to Images
    • Convert PPT to PDF
    • Word to HTML
  • QRcode and Barcode
    • DEMO
      • [DEMO] Bar Code
        GET
      • [DEMO] Decode QR Code from Image
        GET
      • [DEMO] QR Code
        GET
      • [DEMO] Wifi QR Code
        GET
    • Bar Code
      POST
    • Decode QR Code from Image
      POST
    • QR Code
      POST
    • Wifi QR Code
      POST
  • Text Tools
    • DEMO
      • [DEMO] ISBN Book Metadata Lookup
      • [DEMO] Detect Text Language
      • [DEMO] Simplified and Traditional Chinese Converter
      • [DEMO] Text Similarity Calculator
    • Simplified and Traditional Chinese Converter
    • ISBN Book Metadata Lookup
    • Detect Text Language
    • Simplified and Traditional Chinese Converter
    • Text Similarity Calculator
  • healthcheck
    GET
  • Schemas
    • BarcodeRequest
    • CertificateInfoDTO
    • Chinese Script Conversion Request
    • Comparator«string»
    • CreateShortLinkRequest
    • DetectLanguageRequest
    • Education Response Metadata
    • Global University Programmes Response
    • Global University Ranking Response
    • Global University Response
    • HK Stock Symbol
    • HK Stock Symbols Response
    • IPLocationResponse
    • JSONConfig
    • PageSpeedScoreRequest
    • QRCodeRequest
    • Response Metadata
    • SearchVisibilityMatch
    • SearchVisibilityMetrics
    • SearchVisibilityObservedItem
    • SearchVisibilityRequest
    • SearchVisibilityResponse
    • SearchVisibilitySearchMetadata
    • ShortLinkResponse
    • Text Similarity Request
    • US CIP Code Data
    • US CIP Code Response
    • US College Institution Data
    • US College Institution Response
    • US College Program Data
    • US College Program Response
    • US Stock Symbol
    • US Stock Symbols Response
    • University Data
    • University Programme Data
    • UpdateShortLinkRequest
    • Url2JsonRequestDTO
    • UrlSnapshotRequest
    • UrlSnapshotResponse
    • WebPageRequestDTO
    • WebPageToImageRequestDTO
    • WebSiteFaviconDTO
    • WhoisEntityDTO
    • WifiQRCodeRequest
  1. DEMO

[DEMO] QR Code

GET
https://api.gugudata.io/v1/qrcode/demo
QRcode and Barcode
Last modified:2026-07-29 05:16:01
Universal QR Code Generator
Generate a QR code image from the provided content and size options.
Method: POST
Path: /v1/qrcode
Demo: https://api.gugudata.io/v1/qrcode/demo
OpenAPI: https://gugudata.io/assets/openapi/gugudata.openapi.3.1.json
Request Parameters:
appkey (string, required): Application key used for request authentication. Supply the value as a query parameter, form field, or multipart field according to the request content type.
content (string, required): Primary text content processed by the endpoint.
size (integer, optional): QR code image size in pixels, default is 200
Response Fields:
url (string, required): CDN URL of the generated QR code image. Validation failures may return a plain-text error message instead of the success payload.
HTTP Status Codes:
200: Request processed successfully. Some endpoints expose a separate application-level status field in the response body, such as dataStatus.statusCode.
400: Invalid request parameters or request format. Check required fields, data types, and request body format.
401: Missing or unknown application key. Provide a valid appkey with the request.
403: The application key is recognized but access is not allowed. The key may be expired, inactive, or not permitted for the requested API.
429: Request rate or trial usage limit exceeded. Reduce concurrency or retry after the limit window resets.
500: Internal service error. Retry later or contact support if the error persists.
503: Upstream service unavailable. Retry later; the requested upstream dependency is temporarily unavailable.
Business Status Codes:
200 Success: QR code generated successfully
400 Parameter error: Invalid or missing required parameters
401 Invalid APPKEY: Please check if the APPKEY is valid and active
429 Rate limit exceeded: Too many requests in a given time window
500 Server error: Internal server error occurred
Key Features:
Supports various content types for QR code generation.
Direct CDN storage and retrieval of generated QR codes.
Intelligent URL detection and handling.
Customizable QR code size.
Full HTTPS support (TLS v1.0 / v1.1 / v1.2 / v1.3).
Compatible with Apple ATS.
Multi-node CDN deployment.
High-speed API response with load-balanced server infrastructure.
Details:
https://gugudata.io/details/qrcode

Request

None

Request Code Samples

Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location 'https://api.gugudata.io/v1/qrcode/demo'

Responses

🟢200成功
*/*
OK
Body*/*

Example
{}
🟠401
🟠403
🟠404
Modified at 2026-07-29 05:16:01
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[DEMO] Wifi QR Code
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