Payment Gateways & Fintechs
Discover all active UPI VPAs linked to a customer's phone number to offer one-click checkout and reduce payment friction.

Retrieve all active UPI IDs associated with an Indian mobile number. Returns verified UPI handles across all banks.
GET https://api.cstudio.sbs/v1/upi/lookup-by-number?mobile_number=9876543210
Sandbox mode returns sample data. Get a free API key for live responses.
GET https://api.cstudio.sbs/v1/upi/lookup-by-number
-string">"token-command">curl -X GET -string">"https://api.cstudio.sbs/v1/upi/lookup-by-number?mobile_number=9876543210" \
-H -string">"X-API-Key: YOUR_API_KEY" \
-H -string">"Content-Type: application/json"{
"_account": 1,
"_credits": "API Powered by cStudio",
"number": "9876543210",
"total_active_upi": 1,
"vpas": [
{
"accountType": "PRIMARY_DEFAULT",
"bank": "State Bank of India",
"name": "RAHUL SHARMA",
"vpa": "9876543210@ybl"
}
]
}Start with the free Basic plan — upgrade as you scale. To get an API key, message us on WhatsApp.
Pass the 10-digit Indian mobile number to the Number to All UPI endpoint. cStudios queries issuer banks in real time and returns every verified UPI handle linked to that number, with bank name and account holder name.
Acquire your API key from cStudios.
Submit a GET request to /v1/upi/all?mobile=9876543210 with the 10-digit Indian mobile number.
Include your credentials in the X-API-Key header.
Get a complete list of all verified, active UPI handles (VPA) linked across Google Pay, PhonePe, Paytm, BHIM, and bank apps.
Present active UPI handles to users for seamless one-tap payment collection or beneficiary verification.
Discover all active UPI VPAs linked to a customer's phone number to offer one-click checkout and reduce payment friction.
Verify customer UPI payment addresses for instant loan disbursals and auto-debit mandate setup.
Find active UPI handles for gig workers, drivers, or sellers to automate instant payout routing without collecting bank IFSC details.
Detect mismatched identities by analyzing all registered UPI accounts associated with a single phone number.
The Number to All UPI API by cStudios is a high-speed discovery engine that identifies all active Unified Payments Interface (UPI) Virtual Payment Addresses (VPAs) associated with an Indian mobile number. In India's fast-moving digital payment ecosystem, users often have multiple UPI IDs across PhonePe, Google Pay, Paytm, and bank apps.
This API scans the UPI network to return all active handles linked to a number, enabling payment aggregators, lending apps, and e-commerce platforms to streamline payment collection and verify account holder connectivity.
Free Basic plan — 5 / Month. No credit card required.