Term
API
Application Programming Interface: the agreed way two pieces of software exchange data.
VAULT 33|27 · Updated 12 November 2026 · 1 min read
What it means
An API is a defined way for one system to ask another for data or to trigger an action. When your website form creates a contact in your CRM, or your CRM sends a WhatsApp message, an API is usually doing the work.
Why it matters for your business
APIs are what make a connected system possible. When choosing software, check that it has a documented API or native integrations, otherwise your data gets stuck in one tool and someone ends up copying it by hand.
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