Marketing Cloud API

Intro to Marketing Cloud APIs
REST API
SOAP Web Service API
SOAP API Performance
Get Started with the SOAP API
Work with SOAP Web Service API
Methods
Objects
Simple Development Scenarios
Supported Operations for Objects and Methods
Technical Articles
General
Administration
Asynchronous Processing
Automation Studio
Campaigns and Programs
Code Samples by Language
Data Extensions
Emails
Create a Text-Only Email
Create an Email
Manage Reply Mail
Retrieve Additional Email Attributes
Retrieve and Recreate an Email Message in an HTML Page
Retrieve an Email
Retrieve the Email Folder Hierarchy
Update the Subject and Body of an Email Message
Filters
Groups
Import Definition and Activity
Portfolio
Scheduled Messages
Send Definitions and Email Message Interactions
Subscriber Attributes
Subscriber Lists
Subscribers
Tracking
Triggered Sends
Marketing Cloud for Appexchange API Guide
API Best Practices and Use Cases
API Errors

Emails

The following are emails technical articles for SOAP API.