SOAP Web Service Guide

Use REST API for storing, finding, managing, creating, sharing, and distributing all content-related objects. Your existing SOAP API integrations only function with the Classic tools.

Get started with the SOAP API

Asynchronous Processing
AMPscript Developer Guide
Server-Side JavaScript
Work with the SOAP API
Optimize API Calls and Data Structures to Improve Performance

Error Codes
SOAP Faults
Resolve Retrieve Call Errors

REST API