Written by Modulr | Jul 24, 2025 11:00:00 PM
An API (Application Programming Interface) is a set of protocols and tools that allow different software applications to communicate, even if they are owned and operated by separate organisations. In the payments industry, APIs enable seamless integration of financial services into other platforms, allowing businesses to embed payments technology to automate processes, streamline transactions, access new resources or services and enhance user experiences. Within embedded payments, APIs allow regulated and highly capable financial services businesses such as Modulr to grant access to payment services directly and without bank support, and (in specific circumstances) without that client business directly requiring their own financial accreditation or completing many extensive compliance and due diligence exercises themselves. Through an API, client businesses therefore gain access to the capabilities and licenses of third party Payment Service Providers (PSP) such as Modulr, for access to facilities and services as card issuance, account creation, payment initiation and settlement. These interfaces also off access to a wide variety of payment methods such as Faster Payments or SEPA Instant.