> ## Documentation Index
> Fetch the complete documentation index at: https://razorpay-60c89f9a-mintlify-audit-missing-sections-1778528421.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Glossary

> The following table lists all the commonly used terms and their definitions used in Optimizer:

## Terms | Description

## Optimizer | A Razorpay product that routes payments through multiple payment providers with a single integration, optimising transaction costs and success rates.

## Real-time Optimisation | The process of proactively routing transactions to the best available gateway or acquirer based on real-time data.

## Acquirer | A financial institution or bank that processes credit or debit card payments on behalf of a business.

## Gateway Priority | A configuration in the Optimizer that determines the order in which payment gateways are used for processing transactions.

## Payment Gateway (PG) | A service that authorises and processes payments for online transactions, acting as an intermediary between the business and the financial institution.

## Smart Routing | A feature of Optimizer that intelligently routes transactions to the most appropriate gateway based on performance data and predefined rules.

## Integration Audit Tool | A tool designed to automatically identify and address issues with payment provider integrations before they go live.

## Priority-based Routing | A routing feature that assigns an order of priority to payment gateways, allowing transactions to be rerouted based on gateway performance.

## Rule-based Routing | A routing feature where custom rules are defined based on various payment parameters, such as payment method, bank, and card networks.

## Standard/Default Routing | A simple routing method that prioritises gateways for all transactions based on predefined rules.

Payment Aggregator (PA) | A service provider that processes payments on behalf of businesses by aggregating transactions from various payment methods.