Step
Description
Time
Possible delays
1. Customer initiates payment
The customer selects a payment method and provides their payment details.
Instant
No significant delays typically occur at this stage.
2. Data encryption
The payment gateway encrypts and securely sends the payment information to the processor.
Seconds to 1 minute
Depends on the speed of the payment gateway and internet connection.
3. Validation and processing
The payment processor checks the data, confirms the transaction and communicates with the customer's bank.
Seconds to 1 minute
Possible delays if there are network issues or high transaction volumes.
4. Bank authorisation
The customer's bank verifies the account, checks funds and either approves or declines the payment.
Seconds to 1 minute
Delays can occur due to fraud checks, insufficient funds or banking system issues.
5. Response sent
The bank's decision (approve or decline) is sent back through the payment network to the merchant.
Instant
No significant delays; however, network issues could cause a slight lag.
6. Transaction settlement
Approved transactions are grouped and sent for settlement, where funds are transferred from the customer's bank to the merchant's account.
1 to 3 business days
Delays due to banking hours, bank holidays, cross-border transactions, or currency conversion.
7. Reconciliation
The business reconciles the transactions and fees, finalizing the process with transaction records.
Same day to 2 days
Delays can occur due to high transaction volume or manual reconciliation processes.