Flow of the explanation in this lesson.
3D Secure Requestor Initiated (3RI) Transactions
What you will learn
Your objective. By the end of this lesson, you will be able to explain 3D secure requestor initiated (3ri) transactions. 3RI is a message type defined in the EMV 3D Secure version 2 specification, and it allows a merchant to request authentication for a transaction that the merchant initiates rather than the cardholder.
Why it matters. For a business analyst, the important details of 3RI are the data elements and the error handling.
Chapter objective: Learner designs recurring payments, including mandates, merchant-initiated transactions, and 3RI flows, and explains authentication, consent, and failure handling for repeat charges. Learner applies this skill in realistic banking scenarios, with clear examples and correct terminology throughout.
Key learning points
- 3RI: message type defined
- Difference between 3RI and a normal 3DS
- 3RI merchant use cases
- Merchant's system
- BA must specify which fields
- Renewal date
Key terms
Authorisation: Approval by the issuer for a card transaction to proceed, confirming the card is valid and funds or credit are available.
3D Secure: A security protocol that adds an authentication step to online card payments, usually by asking the cardholder to confirm the payment with their bank.
Acquirer: A bank or licensed institution that processes card payments for merchants and receives transaction funds from card schemes on their behalf.
API request and response viewer showing 3D Secure Requestor Initiated (3RI) Transactions.
Practise this lesson
Exercise
Trace the card payment in this lesson through authorisation, clearing and settlement.
Use the four-party model and the stage timings in this lesson.
- What to do. State what happens at each stage, who pays whom, and when the merchant is actually credited.
Correct result. Authorisation holds the funds and returns a response code. Clearing sends the transaction in a batch file. Settlement moves the net amount between banks, and the acquirer credits the merchant after deducting interchange, scheme fees and its margin.
Why. A card payment is not one event. The customer sees it on Monday, the merchant gets it on Wednesday, and the difference is the clearing and settlement cycle.
Check your understanding
Practice question
A streaming service charges a customer monthly on the card they saved two years ago. The card has since expired and been replaced. Why does the charge still succeed?
Takeaway and next step
What to remember
For a business analyst, the important details of 3RI are the data elements and the error handling.
Follow 1,000 rupees through every stage, from instruction to beneficiary credit, and note where it can stop.
Open the Payment Lifecycle Simulator →
Builds on "Recurring Payments Explained".
Transcript and full text
Show transcript
3RI is a message type defined in the EMV 3D Secure version 2 specification, and it allows a merchant to request authentication for a transaction that the merchant initiates rather than the cardholder. The full name is 3D Secure Requestor Initiated, and the requestor is the merchant or the merchant's payment service provider. Unlike a normal browser based or app based 3D Secure flow, there is no cardholder interaction, no challenge screen, and no one-time password. The issuer returns an authentication result based on the data the merchant sends, including the stored credential reference, the transaction history, and risk signals. This makes 3RI the right tool for recurring and instalment payments. The difference between 3RI and a normal 3DS authentication is mainly about who is present and what the authentication proves. A normal 3DS flow authenticates the cardholder in real time and gives the merchant a liability shift, meaning the issuer takes responsibility for fraud on that transaction. A 3RI flow does not authenticate the cardholder, because the cardholder is absent, so it cannot provide the same liability shift in the same way. What it does provide is an authentication value that the merchant can include in the authorisation request, which tells the issuer that the transaction was checked against the stored mandate. Issuers generally treat a 3RI authenticated transaction more favourably than a plain merchant initiated transaction. A merchant uses 3RI in several specific situations. The most common is a recurring subscription payment, where the merchant wants the best possible authorisation rate on a charge the customer is not present for. Another is a delayed shipment, where the merchant takes a pre-authorisation at order time and captures the money later when the goods ship. A third is a split shipment, where one order is delivered in parts and each part is charged separately. A fourth is an instalment payment, where a large purchase is paid in fixed monthly parts. In each case the merchant initiates the transaction, and 3RI gives the issuer a structured way to validate it. The 3RI flow follows a clear sequence of steps. First, the merchant's system decides that a payment is due, for example a monthly subscription renewal. Second, the merchant sends a 3RI authentication request to the 3D Secure server, including the stored credential details, the scheme reference identifier from the original transaction, the amount, and the merchant information. Third, the 3D Secure server forwards the request to the issuer's access control server. Fourth, the issuer checks the mandate, the transaction history, and the risk data, and returns an authentication result, usually a frictionless approval. Fifth, the merchant includes the authentication value in the authorisation request to the acquirer. For a business analyst, the important details of 3RI are the data elements and the error handling. The BA must specify which fields the merchant system sends in the 3RI request, such as the 3RI indicator, the recurring frequency, the expiry date of the mandate, and the previous transaction identifier. The BA must also document what happens when the issuer returns a negative result or no result at all, because the merchant still has to decide whether to attempt the authorisation without authentication or to contact the customer. Finally, the BA must confirm with the acquirer and the gateway whether 3RI is supported for each card scheme, since Visa and Mastercard implement the details differently, and not every issuer supports 3RI yet. For example, a merchant sells a software licence for 1,000 rupees a month, paid by card. On the renewal date, the merchant sends a 3RI authentication request with the stored credential reference and the amount of 1,000 rupees. The issuer checks the mandate and the transaction history, and returns a frictionless approval. The merchant then includes the authentication value in the authorisation request, which gives the issuer confidence that the charge follows the original customer consent.
3RI is a message type defined in the EMV 3D Secure version 2 specification, and it allows a merchant to request authentication for a transaction that the merchant initiates rather than the cardholder. The full name is 3D Secure Requestor Initiated, and the requestor is the merchant or the merchant's payment service provider. Unlike a normal browser based or app based 3D Secure flow, there is no cardholder interaction, no challenge screen, and no one-time password. The issuer returns an authentication result based on the data the merchant sends, including the stored credential reference, the transaction history, and risk signals. This makes 3RI the right tool for recurring and instalment payments.
The difference between 3RI and a normal 3DS authentication is mainly about who is present and what the authentication proves. A normal 3DS flow authenticates the cardholder in real time and gives the merchant a liability shift, meaning the issuer takes responsibility for fraud on that transaction. A 3RI flow does not authenticate the cardholder, because the cardholder is absent, so it cannot provide the same liability shift in the same way. What it does provide is an authentication value that the merchant can include in the authorisation request, which tells the issuer that the transaction was checked against the stored mandate. Issuers generally treat a 3RI authenticated transaction more favourably than a plain merchant initiated transaction.
A merchant uses 3RI in several specific situations. The most common is a recurring subscription payment, where the merchant wants the best possible authorisation rate on a charge the customer is not present for. Another is a delayed shipment, where the merchant takes a pre-authorisation at order time and captures the money later when the goods ship. A third is a split shipment, where one order is delivered in parts and each part is charged separately. A fourth is an instalment payment, where a large purchase is paid in fixed monthly parts. In each case the merchant initiates the transaction, and 3RI gives the issuer a structured way to validate it.
The 3RI flow follows a clear sequence of steps. First, the merchant's system decides that a payment is due, for example a monthly subscription renewal. Second, the merchant sends a 3RI authentication request to the 3D Secure server, including the stored credential details, the scheme reference identifier from the original transaction, the amount, and the merchant information. Third, the 3D Secure server forwards the request to the issuer's access control server. Fourth, the issuer checks the mandate, the transaction history, and the risk data, and returns an authentication result, usually a frictionless approval. Fifth, the merchant includes the authentication value in the authorisation request to the acquirer.
For a business analyst, the important details of 3RI are the data elements and the error handling. The BA must specify which fields the merchant system sends in the 3RI request, such as the 3RI indicator, the recurring frequency, the expiry date of the mandate, and the previous transaction identifier. The BA must also document what happens when the issuer returns a negative result or no result at all, because the merchant still has to decide whether to attempt the authorisation without authentication or to contact the customer. Finally, the BA must confirm with the acquirer and the gateway whether 3RI is supported for each card scheme, since Visa and Mastercard implement the details differently, and not every issuer supports 3RI yet.
For example, a merchant sells a software licence for 1,000 rupees a month, paid by card. On the renewal date, the merchant sends a 3RI authentication request with the stored credential reference and the amount of 1,000 rupees. The issuer checks the mandate and the transaction history, and returns a frictionless approval. The merchant then includes the authentication value in the authorisation request, which gives the issuer confidence that the charge follows the original customer consent.
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