QR Code Generator & Reader API
FreemiumCreate QR codes for links, text, UPI payments, Wi-Fi logins and contact cards (PNG/SVG, custom colours) and read QR codes from images.
Documentation
Create QR codes for links, text, UPI payments, Wi-Fi logins and contact cards (PNG/SVG, custom colours) and read QR codes from images.
What you get
- QR codes for any link or text — PNG or SVG, custom colours and size
- UPI payment QR — scan to pay in any UPI app
- Wi-Fi QR — scan to join a network
- vCard QR — scan to save a contact
- Read QR codes from images
Great for restaurants and shops, payments, events, business cards, packaging and marketing.
Quick start
Subscribe to a plan (the Basic plan is free), then call the API at https://qr-code-generator.p.apihiver.com with your key in the X-API-Key header:
curl "https://qr-code-generator.p.apihiver.com/v1/generate?data=https://apihiver.com" \
-H "X-API-Key: YOUR_API_KEY" -o outputEndpoints
| Method | Path | What it does |
|---|---|---|
GET | /v1/generate | Make a QR code image for text, a URL, UPI payment link, Wi-Fi login… |
GET | /v1/upi | QR code for a UPI payment (scannable by any UPI app) |
GET | /v1/wifi | QR code that joins a Wi-Fi network when scanned |
GET | /v1/vcard | QR code with a contact card (scan to save the contact) |
POST | /v1/decode | Read QR codes from an image (upload, url or base64) |
Open the Endpoints tab to see every parameter, example request and example response, and to try the API live.
Sending a file
Endpoints that take an image accept any of:
- multipart/form-data with the image in the
filefield, plus options as form fields - JSON
{"url": "https://…"}pointing at a public image (private/internal addresses are refused) - JSON
{"base64": "…"}(adata:URL prefix is fine)
Max size: 25 MB. Files are processed in memory and never stored.
Errors
Every error is JSON with the same shape:
{"error": {"code": "INVALID_INPUT", "message": "data: Field required"}}| HTTP | Code | Meaning |
|---|---|---|
| 400 | INVALID_INPUT | A parameter is missing or has the wrong format — the message says which |
| 401 | UNAUTHORIZED | Missing or invalid X-API-Key |
| 413 | TOO_LARGE | The file is over the size limit |
| 429 | — | Plan quota or rate limit reached (see the X-RateLimit-* headers) |
| 502 / 503 / 504 | — | A data source or the API server is temporarily unavailable — retry after a few seconds |
Data & privacy
Data comes from generated and decoded on our servers (segno and ZBar).
QR Code Generator & Reader API FAQ
- Is the QR Code Generator & Reader API free?
- Yes. The Basic plan is free and includes 50 requests per month — no card needed. Paid plans start at ₹499 per month for 2,000 requests.
- How much does the QR Code Generator & Reader API cost?
- Basic: free for 50 requests; Pro: ₹499/month for 2,000 requests; Ultra: ₹1,999/month for 10,000 requests; Mega: ₹4,999/month for 30,000 requests. Billing is monthly and you can cancel any time.
- How do I use the QR Code Generator & Reader API?
- Subscribe to a plan on APIHiver, create an API key in the Console, then send requests to https://qr-code-generator.p.apihiver.com with your key in the X-API-Key header. You can also try every endpoint in the browser playground first.
- What endpoints does the QR Code Generator & Reader API have?
- It has 5 endpoints: Make a QR code image for text, a URL, UPI payment link, Wi-Fi login… (GET /v1/generate); QR code for a UPI payment (scannable by any UPI app) (GET /v1/upi); QR code that joins a Wi-Fi network when scanned (GET /v1/wifi); QR code with a contact card (scan to save the contact) (GET /v1/vcard); Read QR codes from an image (upload, url or base64) (POST /v1/decode).
- What are the QR Code Generator & Reader API rate limits?
- Basic: 1 request per second; Pro: 2 requests per second; Ultra: 4 requests per second; Mega: 8 requests per second. Monthly quotas depend on the plan; every response includes X-RateLimit headers showing what's left.
- Can I use one API key for the QR Code Generator & Reader API and other APIs?
- Yes. One APIHiver key works for every API you subscribe to, so you don't need a separate account or key per provider.
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Endpoints
5 endpoints — full list is in the sidebar on larger screens.