Overview
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Design
Architecture vs Design
Design Challenges
Design Goals
Concepts
Standards Based Design
Data Standards
Design Patterns
Clinical Serialization Standards
Security Standards
Serialization Standards
Terminology Standards
Transport Standards
Stereographic Projection
Event-Driven Design
Cultural-Dependent Design
Service Interface Design
Contract-Based Design
Distributed Transaction Design
Testability Design
Code Generation Design
Science of Great User Experiences
Visual Design
Glossary

Application Program Interface (API)

An API is a declaration of how computers or computer programs should exchange information. It can be seen as a contract between two Services.

API Standards

There are three main API standards:

SOAP: the old one.
REST API: the current, lighter, and simpler one.
gRPC: the faster