API is an abbreviation for Application Programming Interface. It is a software interface that lets two computer software, programs, systems or applications communicate with each other. Also, with APIs, any companies/developers can build new applications using data from an existing program or application. However, they need not know its internal and confidential working details.
In simpler words, API is an intermediary layer, a simplified and standardised set of protocols and tools. It allows two applications to interact and exchange data with each other. API defines the methods, data formats, and conventions for requesting and exchanging information from the other system.
API processes data transfers between systems in such a way that one party can open its application data to external third parties. However, the first party need not share all the implementation details of the software application. These third parties can be developers, business partners, and internal departments within their companies.
When the company (first party) gives access to their data and functionality via the API to third parties, they can access the existing software components or services. They can leverage the data, features and capabilities of the existing software without requiring to understand its internal working process. With the help of APIs, developers can offer innovative solutions and services by building new applications on existing already applications or programs.
With growing digitisation, APIs are being widely used in several domains, including payment systems. They are used for web or mobile app development, cloud services, and social media platforms. It usually includes all those major areas where software systems need to exchange data.
APIs, or application programming interfaces have boosted the digital payment ecosystem in India. Now businesses can integrate with payment gateways and other payment providers. Customers can pay for goods and services online and offline. The entire payment process has become easier and faster with digitisation.
In the context of the payments ecosystem, an API refers to those protocols and standards that enable different payment service providers (PSPs), payment gateways (PGs), and other such third-party applications and fintechs to communicate with each other and exchange payment-related information securely.
Among various APIs used in the Indian payment ecosystem, some of the most common include –
Payment Gateway API: Most online businesses like e-commerce stores can make monetary transactions because they integrate with payment systems. These payment gateways (PGs) or payment service providers (PSPs) enable them to carry out transactions. Usually, they partner with payment gateways (PGs) that have multiple modes of payment for their customers in one place. Instead of integrating with several banks or card networks, it is easier to partner with PGs. Here, the API of a PG or PSP allows businesses to provide payment options to their customers on their apps/sites. For example, merchants that partner with Cashfree Payments, their customers can pay for goods and services using any payment mode. They can pay via their preferred methods, such as credit cards, debit cards, and net banking.
Bank API: Bank APIs allow businesses to enable banking functions for their customers. Businesses can integrate with banks and build their solutions for customers that can provide easy and quick service to them. Businesses can offer higher customer satisfaction by meeting their changing needs.
UPI API: Most businesses enable UPI payments for customers as they can integrate with UPI via the APIs. Unified Payments Interface (UPI) is a government-backed payment system. It lets customers make instant and direct payments from their bank accounts to that of the receiver.
APIs in the payments ecosystem help to initiate and authorise payments. Other than that, they can also aid in retrieving payment history or accessing transaction data. Via the APIs, the PGs, PSPs and fintechs can offer newer financial services and solutions. It is because they can leverage data from banks and other financial institutions.
For example, fintechs can provide loans, digital bank accounts, credit cards, and other such products by partnering with financial institutions and integrating with their APIs. APIs enable them to offer personalized and customized financial solutions to their customers. Fintechs can access as well as analyze data in real time.
APIs also enable fintech companies to integrate their services with other applications and platforms, such as accounting software, customer relationship management (CRM) systems, and e-commerce platforms. This integration can make it easier for businesses to manage their finances, streamline their operations, and make data-driven decisions. Moreover, it can help businesses scale their operations by adding new payment methods.
Overall the APIs can help fintechs in COST REDUCTION, EFFICIENCY and CONVENIENCE. Efficiency is usually due to the automation of various processes like payment processing, account management, risk assessment, etc. Automation helps the fintechs offer their services at a lower cost than traditional financial institutions. APIs also employ several mechanisms (for example – encryption or PCI DSS measures) to provide data security.