Back to glossary
AIvikings Glossary

API

An API is a structured interface that lets software systems communicate and perform actions programmatically.

Last updated July 24, 2026

Quick summary

Term
API
Plain-English definition
An API is a structured interface that lets software systems communicate and perform actions programmatically.
Technical definition
An API is a structured interface that lets software systems communicate and perform actions programmatically.
Commonly confused with
Related domain, DNS, registrar, API, or agent-infrastructure terms.
Related terms
API Key, JSON, Webhook, Sandbox

Definition

An API is a structured interface that lets software systems communicate and perform actions programmatically.

Why it matters

Domain APIs allow automated searches, registrations, transfers, DNS updates, renewals, and portfolio management.

Keep learning

Browse the full AIvikings glossary or search the knowledgebase for practical domain, DNS, API, and MCP guides.