How to Create Batch QR Codes Using API: A Step-by-Step Guide
Learn how to create batch QR codes using API and integrate with your websites and apps to experience higher functionality, automation, and increase ROI!


For businesses that need to generate QR codes in batches exclusively for their apps or websites, QR code API is the way forward, opening up a path of opportunities to upscale and kick-start their marketing strategies and brand-building initiatives.

What is QR Code API?
QR Code API is an application programming interface that you can integrate into your website or application to create numerous, custom QR codes of your choice.
From employee ID generation to product packaging and many more, incorporating QR code API can help you drastically reduce manual effort and easily cross off every task on your checklist.
5 quick & easy steps on how to create batch QR codes through the Uniqode API
Step 1: Get your authorization token
On your Uniqode dashboard, click on your name at the top right corner of your screen, select Account, and get your authorization token.

Step 2: Select the type of QR code
Select the type of QR code you want to create in bulk. The different types of bulk QR codes are:

Please note that currently, the QR code API is limited to creating static bulk QR codes.
To create dynamic QR codes in bulk, you can do so using our Zapier integration.
Step 3: Create a CSV file
Create a CSV file that contains all your batch QR code data. One CSV file can contain up to 100 entries to create 100 QR codes. If you wish to create more, you can repeat the process after downloading the zipped file.
Step 4: Create your batch QR code collection
For this step, you’ll need the help of a developer to create your batch QR code collection via the API. You can find one on the freelance platform or opt for IT outsourcing of certain tasks. You can resort to platforms like Gigster, which offer a wide pool of skilled developers on a project-basis. There are also many Gigster alternatives to explore and find the right developer for your needs.
Pass the CSV file along with the design attributes, authorization token, and other fields such as QR code type and name of the bulk QR code collection through the cURL request. You can customize the design by modifying the attributes of the bulk QR code object.
Here’s an example of a cURL request and its response:
cURL request:

Response:

Check out our QR code API for more information.
Step 5: Download your batch QR code file
You can now download your batch QR code collection using the link from the ‘storage_url’ field (refer to the cURL response image above).
You’ll get a zipped file of your batch QR codes in four formats: PNG, JPEG, PDF, and SVG.
You can also check out: How to create QR Codes in batches from an Excel sheet
4 benefits of batch QR code API for websites and apps
#1. Automation

You can automate the generation and updation of batch QR Codes with the integration of a robust batch QR code API with your website or app. This process is especially beneficial for app developers using no-code tools as it makes it easier to implement and manage QR Code functionality. Automate your marketing workflows and become more action-efficient.
#2. Creation of multiple types of batch QR codes

With a suitable QR code API, you can create multiple types of batch QR codes to match your campaign requirements, be it location-based landing pages or employee vCard QR code for your agency.
Uniqode’s bulk QR code generator offers the following types of batch QR codes:
- Website
- Phone
- SMS
- vCard
- Plain Text
#3. Scalability

As your business expands, so will the demand for more QR codes. You can use batch QR code API to generate as many QR codes as you need for a variety of use cases. It’s a highly scalable and reliable solution for your business and can help you achieve a better ROI.
#4. Flexible customization

Batch QR code API also lets you customize your QR codes the way you want. Besides the color and logo, Uniqode’s QR code API lets you also customize the following:
- QR code eyes
- QR code pattern
- Background color and image of the QR code
- QR code frame
- Color gradient for all of the above
This is a crucial benefit since you have the ability to set your brand tone across your batch QR codes – right from the color scheme to the logo. Brand representation plays a huge role in acquiring more customers.
As mentioned by Forbes, a report by Looka.com indicates that:“Consistent brand presentation across all platforms increases revenue by up to 23 percent.”
Use Uniqode’s QR code API to generate batch QR codes
From branding campaigns to fostering customer loyalty, Uniqode’s QR code API lets you generate an unlimited number of customized batch QR codes to cater to your every need. It’s a sturdy and efficient solution that can help you bridge the gap between offline and online marketing, hassle-free.
Frequently Asked Questions
- How many QR codes can I generate at once using an API?
Most QR code APIs allow you to generate between 100 to 10,000 QR codes per batch request, depending on your subscription tier and API rate limits. Enterprise-level APIs can process up to 50,000 QR codes in a single batch operation, with processing times typically ranging from 5 to 30 seconds per 1,000 codes. The exact limit depends on your provider's infrastructure and whether you're generating static or dynamic QR codes.
- What is the best QR code API for bulk generation?
The best QR code APIs for bulk generation include QR Code Generator API (supports up to 100,000 codes per day), Scanova API (offers 99.9% uptime SLA), and GoQR.me API (provides free tier with 1,000 codes per month). For enterprise needs, consider APIs that support REST architecture with response times under 200ms and offer webhook integration for asynchronous batch processing of over 10,000 codes.
- What data formats do QR code APIs accept for batch processing?
QR code APIs typically accept JSON, CSV, and XML formats for batch processing, with JSON being the most widely supported for its 30-40% faster parsing speed compared to XML. Most APIs allow payload sizes up to 10MB per request and can process arrays containing up to 5,000 entries in a single API call. CSV format is particularly popular for batch operations as it reduces file size by approximately 50% compared to JSON for simple data structures.
- Can API-generated QR codes be tracked and analyzed?
Dynamic QR codes created via API can track scan metrics including location data accurate to within 10 kilometers, device type, time stamps, and unique versus repeat scans with 99.5% accuracy. Most QR code APIs provide analytics dashboards showing conversion rates, with the ability to track individual code performance across batches of 10,000+ codes. API webhooks can send real-time scan notifications with typical latency under 3 seconds from scan to data delivery.
About the Author
Nidhi is a content marketer with a background in literature and a passion for clear, impactful communication. She specializes in simplifying complex products, making them more relatable and engaging for audiences. Currently, she focuses on QR code solutions, crafting content that bridges the gap between technology and everyday users.
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