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Product Guide• 7 October 2026• 8 min read

AePS Explained: How Aadhaar Enabled Payments Work, Step by Step

ByRishu Kumar Singh

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In many Indian villages and small towns, the nearest bank branch or ATM can be kilometres away. AePS (Aadhaar Enabled Payment System) changes that. With an Aadhaar number and a fingerprint, a customer can withdraw cash, check a balance, or send money at a local kirana store.

For retailers, AePS is also a steady source of extra income and footfall. This guide explains what AePS is, who is involved, and how a transaction moves from a fingerprint scan to cash in hand. For the commercial side of the same system, see our guide on the AePS business model.

What Is AePS?

AePS stands for Aadhaar Enabled Payment System. It is a payment system run by the National Payments Corporation of India (NPCI) that lets people use their Aadhaar-linked bank account through biometric authentication.

The customer needs no card, no PIN, and no smartphone. They need only three things: their Aadhaar number, the name of their bank, and their fingerprint or iris scan. The transaction happens at a Business Correspondent (BC) point, usually a local shop with a small biometric device. Merchant247 offers this as an AePS API and white label AePS platform for retailers and distributors.

Services Available Through AePS

  • Cash withdrawal: Take money out of a bank account at the agent's shop.
  • Cash deposit: Put cash into an account, where the bank supports it.
  • Balance enquiry: Check the account balance instantly.
  • Mini statement: See the last few transactions on a printed or on-screen slip.
  • Aadhaar to Aadhaar fund transfer: Send money to another Aadhaar-linked account.
  • Aadhaar Pay: Pay a merchant for goods or services directly from a bank account using a fingerprint.

Cash withdrawal, balance enquiry, and mini statement are the most used services at most AePS points.

Who's Involved: The Key Players

A single AePS transaction passes through several institutions. Each one has a fixed role:

Player Role
Customer Holds an Aadhaar-linked bank account and authenticates with a fingerprint
Agent (retailer / BC) Runs the AePS point, operates the device, and hands over or collects cash
AePS service provider The platform or app the agent uses, connected to an acquiring bank
Acquirer bank The bank that sends the agent's transaction into the network
NPCI Runs the AePS switch that routes transactions between banks
UIDAI Checks the fingerprint against the customer's Aadhaar record
Issuer bank The customer's bank, which approves and debits or credits the account
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How an AePS Transaction Flows, Step by Step

Take a simple cash withdrawal of ₹2,000. The whole journey usually takes a few seconds:

  1. Customer request: The customer tells the agent they want to withdraw ₹2,000.
  2. Details entered: The agent enters the customer's Aadhaar number, selects their bank, and enters the amount in the AePS app.
  3. Fingerprint capture: The customer places a finger on a UIDAI-certified biometric device. The device encrypts the fingerprint data immediately, so the agent's app never sees the raw biometric.
  4. To the acquirer: The service provider sends the encrypted request to its acquirer bank, which forwards it to the NPCI switch.
  5. Routing: NPCI identifies the customer's bank from the selected bank code.
  6. Authentication: The fingerprint is verified with UIDAI against the customer's Aadhaar record.
  7. Approval: If authentication passes, the issuer bank checks the balance and limits, then debits ₹2,000 from the account.
  8. Response: The approval travels back through NPCI and the acquirer to the agent's app.
  9. Cash and receipt: The agent hands over ₹2,000 and gives the customer a receipt or SMS confirmation.

If any step fails, such as a fingerprint mismatch or low balance, the transaction is declined and no money moves.

How the Money Settles and Agents Earn

When the agent hands over ₹2,000 in cash, they are paying out of their own pocket. They get that money back through settlement.

NPCI settles amounts between the issuer bank and the acquirer bank. The acquirer passes the funds to the AePS service provider, which credits the agent's wallet or bank account with the ₹2,000. For cash deposits the flow reverses: the agent collects cash and the amount is debited from their balance.

On top of this, agents earn a commission on eligible transactions, typically on cash withdrawals. Rates vary by provider and transaction amount, so compare them before signing up. How those commissions sit inside a distributor network is covered in the AePS business model.

How to Become an AePS Agent

  1. Choose a service provider and register on its platform.
  2. Complete your KYC with documents such as Aadhaar, PAN, shop details, and bank account proof.
  3. Buy a certified biometric device, such as a fingerprint scanner registered with UIDAI.
  4. Complete agent eKYC with the provider and its partner bank.
  5. Authenticate daily with your own fingerprint before starting transactions, as required for agents.
  6. Keep enough cash in the shop, plus a working phone or computer with internet, and start serving customers.

Retailers can do this on Merchant247's AePS platform: register, complete KYC, and start offering supported AePS services to customers.

Security and Fraud Prevention

AePS is secure by design. Fingerprint data is encrypted on the device itself, every transaction is authenticated by UIDAI, and newer registered devices include stronger checks against fake or copied fingerprints.

Still, both customers and agents should follow a few habits:

  • Customers can lock their Aadhaar biometrics through the mAadhaar app or the UIDAI website and unlock them only when needed.
  • Agents should always give a receipt and never store customers' Aadhaar numbers or documents.
  • Everyone should check SMS alerts after each transaction and report anything unusual to the bank immediately.

Conclusion

AePS turns a neighbourhood shop into a mini bank branch. Customers get cash and banking services close to home with just a fingerprint. Agents earn commissions and bring more customers through their door.

Behind that simple scan sits a coordinated system: the agent, the service provider, the acquirer bank, NPCI, UIDAI, and the customer's bank all play a part in a few seconds.

Thinking of offering AePS at your shop? Merchant247 provides AePS services, so you can register, complete your KYC, and start offering AePS to your customers through our platform. Get in touch with our team or explore the AePS product.

Frequently Asked Questions

AePS (Aadhaar Enabled Payment System) allows customers to access banking services through their Aadhaar-linked bank account using biometric authentication at an AePS or Business Correspondent (BC) point.

AePS supports services such as cash withdrawal, balance enquiry, mini statements, cash deposits where supported, Aadhaar-to-Aadhaar fund transfers, and Aadhaar Pay.

A customer needs their Aadhaar number, an Aadhaar-linked bank account, the name of their bank, and biometric authentication such as a fingerprint or iris scan. No debit card, PIN, or smartphone is required.

An AePS transaction can be declined due to reasons such as a fingerprint mismatch, insufficient account balance, or applicable transaction limits.

A retailer can register with an AePS service provider, complete the required KYC and agent verification, arrange a certified biometric device, and maintain the necessary setup to start serving customers.

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