SaathiX Billingby SaathiX
Developer API · v1 · Public · Free forever

Live UPI QR codes,
in one HTTP call.

Drop in your UPI ID, add an optional amount, and receive an NPCI-compliant dynamic QR that opens GPay, PhonePe, Paytm, BHIM — every UPI app in India. No signup, no SDK, no MDR.

< 80ms
p95 latency
10+
languages
0%
MDR forever
~ POST /api/public/upi/generate-qr
$ curl -X POST https://saathix.dev/api/public/upi/generate-qr \
   -H "Content-Type: application/json" \
   -d '{
     "store_api_key": "sk_test_demo_saathix_public_2026",
     "payee_vpa":  "yourname@oksbi",
     "payee_name": "Sharma Kirana",
     "amount": 299
   }'

{
  "qr_payload":  "upi://pay?pa=yourname@oksbi&am=299...",
  "qr_image_url":"https://.../qr.png",
  "expires_at":  "2026-06-29T07:30:00Z"
}
200 OK · 64 msapplication/json
Live builder

Your UPI ID → live QR in milliseconds

No login. No card. Just enter your VPA and scan with any UPI app.

Build your QR

All fields stay in your browser. Nothing is stored.

Live preview
Enter a valid UPI ID
to see your QR
Copy-paste ready

Code samples in 10+ languages

Snippets update live as you change the inputs above.

curl -X POST https://saathix.com/api/public/upi/generate-qr \
  -H "Content-Type: application/json" \
  -d '{"store_api_key":"sk_test_demo_saathix_public_2026","payee_vpa":"yourname@upi","payee_name":"Your Store","note":"Bill payment"}'

Endpoint

POST https://saathix.com/api/public/upi/generate-qr

Request body

  • store_api_key · string · required (use sk_test_demo_saathix_public_2026 to try)
  • payee_vpa · string · required
  • payee_name · string · required
  • amount · number · optional (₹)
  • note · string · optional
  • bill_ref · string · optional

Response

{
  "transaction_id": "uuid",
  "qr_payload": "upi://pay?pa=...",
  "qr_image_url": "https://.../qr.png",
  "payee": { "vpa": "...", "name": "..." },
  "amount": 299,
  "bill_ref": "BILL-1023",
  "expires_at": "2026-..."
}

CORS is open · safe to call from browser, mobile, server, IoT — anywhere.

Zero MDR forever

Direct bank-to-bank UPI. No transaction fee, ever.

NPCI compliant

Standard upi:// scheme. Works with every UPI app in India.

Universal scanner support

GPay, PhonePe, Paytm, BHIM, Amazon Pay, Cred, Slice.