D365 – Web Services

Dynamics 365 offers two web services:

1. Discovery Web Service
   Retrieve List of Instances or Organization for given Credentials
2. Organization Web Service
   Connect to each Instance or Organization and perform all basic CRUD and advanced message operations

Each of this service is available in two formats:

1. SOAP
   For server side coding
2. REST (Web-API)
   For client side coding

To find the endpoint for Web Services in D365, click Settings > Customizations > Developer Resources.